Battery Life all of a sudden changed - Galaxy S II Q&A, Help & Troubleshooting

Heya guys n gals, hopefully someone can give me a hand or some information on what is going on and maybe some fixes.
I have had my gt-i9100 international using the jeboo kernal and one of greeces 4.1.2 stock. Phone was rooted.
Go back a month now, the phone started to turn itself off while visually it showed i had approx 70% battery life left. it only do it if i was using my wifi directy connected to my wireless router. watching a bit of nasatv or on facebook, for like 10 minutes max. it then stopped turnign itself off for a week or so, then it became a constant every day problem, to which 4 days ago I thought stuff it, id reinstall total stock rom and kernel. during this time i purchased a new stock battery which turned up yesterday, i have reinstalled to stock rom and kernal and this morning (with old battery) the damm thing turns it self off, after turning the phone on the battery indicator says 74%.
Put new battery in and leave phone off and plug in charging cable, the charge icon show emplty battery with a circle arrow thats not moving, then flicks over to a 80%ish nearly full charge green fill in of the battery image then flicks off, does not stay with that image on the screen for very long at all, blink and youl miss it.
any ideas?
Thanks in advance.

Given replacing battery didn't work, you go with the next logical possibility - replace USB board/port. This has been covered a lot here this year, so you have plenty of info to guide you. It's cheap/easy to do yourself, but you must order the right part (there are 4 different 'revisions'). Search for threads about this issue to get the info you need.

I dont understand how then that the original battery still works, If the port aint charging one battery then why is it selective to charge the original?
MistahBungle said:
Given replacing battery didn't work, you go with the next logical possibility - replace USB board/port. This has been covered a lot here this year, so you have plenty of info to guide you. It's cheap/easy to do yourself, but you must order the right part (there are 4 different 'revisions'). Search for threads about this issue to get the info you need.
Click to expand...
Click to collapse

how do i find out what revision the charging flex port is?

That's the problem with the usb flex port. You never know when it will choose to work. For the same reason don't use your pc to flash anything till you fix it.
To find the rev version you have to take your phone apart. Click the link in my signature and from there you can access a guide to DIY if you wish.
Sent from a galaxy far, far away

uulian said:
Heya guys n gals, hopefully someone can give me a hand or some information on what is going on and maybe some fixes.
I have had my gt-i9100 international using the jeboo kernal and one of greeces 4.1.2 stock. Phone was rooted.
Go back a month now, the phone started to turn itself off while visually it showed i had approx 70% battery life left. it only do it if i was using my wifi directy connected to my wireless router. watching a bit of nasatv or on facebook, for like 10 minutes max. it then stopped turnign itself off for a week or so, then it became a constant every day problem, to which 4 days ago I thought stuff it, id reinstall total stock rom and kernel. during this time i purchased a new stock battery which turned up yesterday, i have reinstalled to stock rom and kernal and this morning (with old battery) the damm thing turns it self off, after turning the phone on the battery indicator says 74%.
Put new battery in and leave phone off and plug in charging cable, the charge icon show emplty battery with a circle arrow thats not moving, then flicks over to a 80%ish nearly full charge green fill in of the battery image then flicks off, does not stay with that image on the screen for very long at all, blink and youl miss it.
any ideas?
Thanks in advance.
Click to expand...
Click to collapse
Scan your internal and external memory for nomedia and broken mp3 file. Delelte them if you see any
Sent from my GT-I9100 using xda premium

vishal11in said:
Scan your internal and external memory for nomedia and broken mp3 file. Delelte them if you see any
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
How do i search, where do i put in a search field?

uulian said:
How do i search, where do i put in a search field?
Click to expand...
Click to collapse
Firstly install mp3 checker on your computer and copy all your mp3 to your computer and scan it with mp3 checker and if any broken mp3 are found delete them.
For nomedia---you need to search it on your computer with phone connected and delete them
Once this is done I think you should be sorted with battery drain and many more battery issues
Sent from my GT-I9100 using xda premium

I dont have any Mp3's ......
vishal11in said:
Firstly install mp3 checker on your computer and copy all your mp3 to your computer and scan it with mp3 checker and if any broken mp3 are found delete them.
For nomedia---you need to search it on your computer with phone connected and delete them
Once this is done I think you should be sorted with battery drain and many more battery issues
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse

Check for .nomedia files
Sent from my GT-I9100 using xda premium

Related

Battery charges while unplugged!?

Hey there,
My phone drained while plugged in and I noticed after I unplugged it the charge began to climb. Ideas? Anyone else?
Running andyx 3.1 xxlp6 from.
Sent from my GT-I9100 using XDA App
Dont want to be the pessimist but my brothers phone did this. He sent it off to samsung and they sent him a bill for £150. Apparently it was water damage. There are other threads on here though have been diagnosed as faulty USB connection on the main board.
Ricey
Well it hasn't touched water.. seems the charge count has stopped going up.
Sent from my GT-I9100 using XDA App
Neither had my brothers, apparently its sensitive that the slightest condensation can cause the indicators to turn. Thats what they told my brother.
Ricey
Just an Android bug.
When charging, the phone thinks it's draining, so it says; it's losing power.
When decharging, it thinks it's charging... Phone Samsung, send some photos (with the phone) and make sure the water-sticker has all it's crosses VISIBLE!
If you don't want to risk a bill yet, then try flashing a different ROM... (First, backup, incase it doesn't work, flash stock ROM via Odin, if that doesn't work, try a different custom ROM, if that doesn't work, you phone's f**ked...)
I will try this tonight when I am home. Thank you for the input. I will post results
Sent from my GT-I9100 using XDA App
Phone will not charge now..
OK... didn't have a chance to flash a different ROM. if anyone has any suggestions on which rom to go with I would appreciate it.
Today it seems that the battery will not charge. It sees that it is plugged in but it does not take charge. The saga continues! I am thinking about getting another battery just to test this out.
You must rule out bad roms by flashing a stock rom .
jje
Another observation: while off battert reads about 40 percent and when i turned it on it says 14 percent
Sent from my GT-I9100 using XDA App
Mine did that like a week after buying the phone. They switched the usb plug in warranty repair.
Has been working fine for ~6months now
haet said:
Another observation: while off battert reads about 40 percent and when i turned it on it says 14 percent
Sent from my GT-I9100 using XDA App
Click to expand...
Click to collapse
Wipe battery stats via CWM recovery .
jje
jj,
I did this last night.
What is the repair process like with Samsung?
Sent from my GT-I9100 using XDA App
haet said:
jj,
I did this last night.
What is the repair process like with Samsung?
Sent from my GT-I9100 using XDA App
Click to expand...
Click to collapse
Chargeable all repairs if using stock rom root or custom rom counter above zero .
jje
JJEgan said:
Chargeable all repairs if using stock rom root or custom rom counter above zero .
jje
Click to expand...
Click to collapse
ah... so i am going to be paying lol. thank you very much for the input!
Common bug.
What seems to happen with mine is that the battery miscalculated the amount it's drained by when you use it for a while - For example, using google maps as a car GPS. After you get to the destination, and turn off the GPS and Data, the battery APPEARS to regain charge - it's not really, it's just recalculating the amount it was drained by.
A battery refresh will sort it, it's also very common if you reboot/crash at under 50% power. It reboots at around 10% and ticks back up to the 'correct' value after an hour or so.
It gets worse after a few weeks of use, and a battery refresh (full charge, shut down, remove battery for 2 minutes, replace battery, fully charge, switch on), sets everything back to default again and it behaves itself for a while.
Not had it happen for a couple months now, but I've not been dinking around with flashing stuff of late so it's not been crashing horribly (which was the main CAUSE of this bug), in the first place.
Here is some news... tried a different USB cable and guess what? No more charge issues or over voltages.
Sent from my GT-I9100 using XDA App
haet said:
OK... didn't have a chance to flash a different ROM. if anyone has any suggestions on which rom to go with I would appreciate it.
Today it seems that the battery will not charge. It sees that it is plugged in but it does not take charge. The saga continues! I am thinking about getting another battery just to test this out.
Click to expand...
Click to collapse
Don't buy a new battery!
Before paying for anything;
while the phone is running, pull the battery...
2. (Leave the battery out) Plug your phone in, if it recognizes the charger, leave it to clear the RAM properly, plug the battery back in, boot into CWM and wipe battery stats! Once done, take from charger, unplug battery, plug it back in, then leave the phone powered down, and plug charger in. Leave it for an hour or two, then boot into Android. Now it should work fine
It's a problem with your usb charging port. It will progresssively get worse and ICS will keep telling you that its paused charging due to overvoltage. The only way to truly fix it is to have the charging port plus circuit board replaced. Happened to me a week back and I tried virtually everything- stock roms, removed root, replaced batteries etc. None of that worked. Some posts said it was a port problem. Went to a tech guy I knew and he confirmed the issue when he disconnected the port. It was relatively cheap for me to fix but some people have climed that samsung charges a large amount to fix it. You're better off trying to get it fixed on your own. If you're on warranty, try and claim it

[Q]qhsusb_dload Stock amaze 4g (stock phone)

so my amaze 4g has been having battery problems for a few days (this is the 2nd battery for it, first died after 13 months), and tonight i went to check a text message and i had about 45% battery left,i swipe to unlock the phone and then 1 sec later it just goes black.
i have tried everything, but the LED wont even turn on when plugged into charger/pc. in device manger i see "qhsusb_dload" , but everything Ive goggled about this issue seems to be related to modified phones, not bone stock.
any help?
haxxo said:
so my amaze 4g has been having battery problems for a few days (this is the 2nd battery for it, first died after 13 months), and tonight i went to check a text message and i had about 45% battery left,i swipe to unlock the phone and then 1 sec later it just goes black.
i have tried everything, but the LED wont even turn on when plugged into charger/pc. in device manger i see "qhsusb_dload" , but everything Ive goggled about this issue seems to be related to modified phones, not bone stock.
any help?
Click to expand...
Click to collapse
Unlucky! Your phone is dead,the only hope for you here :
http://forum.xda-developers.com/showthread.php?t=1627882
This happens when your battery is really dead. You might have to leave the charger plugged in for a few hours before the LED comes back on.
However, this is a temporary fix, and it is likely that it will happen again.
I'd recommend you to get a new battery, even if plugging it for a few hours solves your problem. HTC Amazes are notorious for killing batteries. If you look around, you'll see threads talking about horrible battery life, similar random shutdowns, and such that can only be fixed with a new battery.
SuperAfnan said:
Are you kidding me, why did you have to post this in the development section. This is for ROMs, Kernels, Mods, and development stuff only.
Please read the forum rules next time because you could get an infraction or get scolded. I am not rude so I don't do that stuff usually. Be warned!
Can someone call a moderator to move the thread, or lock it. I can't call a mod from the app.
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
Click to expand...
Click to collapse
i thought i was posting in the Q&A section, i tried to delete the thread right after i saw my mistake, but it wont let me delete.
eadrang said:
Unlucky! Your phone is dead,the only hope for you here :
http://forum.xda-developers.com/showthread.php?t=1627882
Click to expand...
Click to collapse
wow, great quality phone HTC.
Keylogger_0 said:
This happens when your battery is really dead. You might have to leave the charger plugged in for a few hours before the LED comes back on.
However, this is a temporary fix, and it is likely that it will happen again.
I'd recommend you to get a new battery, even if plugging it for a few hours solves your problem. HTC Amazes are notorious for killing batteries. If you look around, you'll see threads talking about horrible battery life, similar random shutdowns, and such that can only be fixed with a new battery.
Click to expand...
Click to collapse
i tested my battery voltage and it was 3.850, how can it be really dead when its rated at 3.8v? i have had the battery issue before, but it never bricked my phone.
It's not bricked. (It shouldn't be)
Remove the battery, press the power button several times to dissipate any remaining charge in the phone, and then insert a fully charged battery. I'd recommend you using a different phone (if available) to charge the said battery.
After that, it should boot up normally.
And if I recall, voltage is supposed to be consistent, regardless of the charge level (unless it's totally dead, then maybe it's different, I don't know)
It's the current you want to look for.
Keylogger_0 said:
It's not bricked. (It shouldn't be)
Remove the battery, press the power button several times to dissipate any remaining charge in the phone, and then insert a fully charged battery. I'd recommend you using a different phone (if available) to charge the said battery.
After that, it should boot up normally.
And if I recall, voltage is supposed to be consistent, regardless of the charge level (unless it's totally dead, then maybe it's different, I don't know)
It's the current you want to look for.
Click to expand...
Click to collapse
thanks for the advice, i dont have any other phone to change this battery with. ill go and see if i can set up seomthing to test amperage, otherwise ill let it charge and heopfully it works.
EDIT: you sir are correct about the battery, i tested the amperage and a normal AA cell had 4.8A the phone battery had 0.002A lol.
haxxo said:
thanks for the advice, i dont have any other phone to change this battery with. ill go and see if i can set up seomthing to test amperage, otherwise ill let it charge and heopfully it works.
EDIT: you sir are correct about the battery, i tested the amperage and a normal AA cell had 4.8A the phone battery had 0.002A lol.
Click to expand...
Click to collapse
Yeah that's not normal. You could try charging it, but it's likely that the battery is fried already. You can buy a new battery on Amazon or some similar site. Many people (including me) recommend Anker batteries.
If you have no luck with the battery this HTC unbricking project for the amaze is definetly for you
Sent from my Nexus 4 using xda premium
sportsstar89 said:
If you have no luck with the battery this HTC unbricking project for the amaze is definetly for you
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
got a new anker battery from someone local, i saw the battery working on an amaze4g, doesn't work on mine. so the phone is the issue, are u sure the unbricking project is for me? it seems to be pointed to ppl who switched S-on
Well i tired to unbrick it, couldn't even get past the first step. linux detects the qualcomm device as bus 001 device 003 but brickdetect does not pick it up.
dead mobo?

[Q] S3 doesn't charge when phone is turned off

Hello everybody!,
My name is Ferdi and usually if i need help i can find it somewhere on this forum but for this problem I searched the whole internet but couldn't find a thing about it
The problem:
Last week I turned off my S3. it went out for 1 second, suddenly after that the screen turns on again telling me: Downloading, do not turn of target.
So i didn't turn it off because i thought it was actually downloading. it wasn't downloading but it did manage to get my battery empty real quick.
When my battery was empty i tried to charge it at home but it didn't respond to anything (different chargers, connecting it to PC etc.)
I got a new battery thinking my Li-Ion battery had its best time, this new battery did wel and i was able to charge it when it was on.
after i put it off once more it showed the same "Downloading" message again and i pulled out the battery so it wouldn't get empty again.
Tried to reboot a minute later, S3 booted like it was supposed too.
Summary:
The thing is that I can only charge it when it's on.
Does anybody know what I can do to fix it because i turned it off again leaving the battery in it and the battery is now empty and the telephone does not respond to anything anymore.
Thank you very much in advance!
Kind regards,
Ferdi
For very strange reason your s3 is entering the download mode ! Try flashing stock firmware
Sent from my GT-I9300 using Tapatalk 4 Beta
chris_marsh said:
For very strange reason your s3 is entering the download mode ! Try flashing stock firmware
Sent from my GT-I9300 using Tapatalk 4 Beta
Click to expand...
Click to collapse
Thanks for your quick respond,
do you think it is a pure software problem?
the main issue for me is that i can't boot it into download mode even now because it won't charge when it's off and the battery is down.
Charge your battery in an external charger or someone else's S3.
Download a full stock rom from sammobile and flash using odin, follow instructions from 'how to return to stock guide'.
Once stock then test charging function, if still the same then hardware fault - you'll need a service centre.

[Q] P7500 wont boot only adx detection (bricked?)

Hi guys. Is there any fix for my P7500 tab?
It wont turn on, black screen, but can be detected by the computer via apx.I use to flash it via apx or nvflash but I it was locked tablet. Is there any ways to boot it up so i can flash it via odin?
Thank you in advance for the reply.
psychoneo said:
Hi guys. Is there any fix for my P7500 tab?
It wont turn on, black screen, but can be detected by the computer via adx.I use to flash it via adx or nvflash but I it was locked tablet. Is there any ways to boot it up so i can flash it via odin?
Thank you in advance for the reply.
Click to expand...
Click to collapse
So do you mean adb or apx?
Sent from my GT-P7510 using XDA Premium 4 mobile app
...
stinky73 said:
So do you mean adb or apx?
Click to expand...
Click to collapse
Oh sorry. APX i mean. my question above is now edited. Any idea sir? or i should brought it to samsung service center?
Maybe the only thing to try at the moment would be the old battery drain technique... Usual means is to tape down the power button and wait days and days until it is dead, really dead ( shows nothing when connected to computer), then connect to wall charger and reboot and see what you get. This is really the ultimate "hard reset" but same result can be obtained far more quickly by removing the back and disconnecting the battery for a while to remove residual charge... Not as frightening or difficult as it might seem, have done it loads of times for various faults and to replace batteries in several tabs.
Sent from my GT-P7510 using XDA Premium 4 mobile app
onoeowh eye
stinky73 said:
Maybe the only thing to try at the moment would be the old battery drain technique... Usual means is to tape down the power button and wait days and days until it is dead, really dead ( shows nothing when connected to computer), then connect to wall charger and reboot and see what you get. This is really the ultimate "hard reset" but same result can be obtained far more quickly by removing the back and disconnecting the battery for a while to remove residual charge... Not as frightening or difficult as it might seem, have done it loads of times for various faults and to replace batteries in several tabs.
Click to expand...
Click to collapse
thank you sir. Im doing it now. But Im a doing it correctly? i just connected it to the computer for apx mode then after that i tape the power button so that it continuously on and off for apx mode then i disconnected it to the computer or I should leave it stay? i think it will charge if i connected it to the computer.
If you're trying to discharge by taping down power button just leave the tab on it's own not plugged into anything... Plugging into something that charges rather defeats the object of the exercise
Sent from my SGP311 using XDA Premium HD app
Samsung Service Center
Thank you for the help. I think I need to bring it to service center. There's no battery charging icon when I charged it. I dont know if its well drain but I use a laptop cooling fan via OTG to drain it. the fan and the lights from the cooling pad is not functioning anymore so i try to plug the tab to the wall charger and nothing happens.
By the way thank you. :good:
Any luck?
psychoneo said:
Thank you for the help. I think I need to bring it to service center. There's no battery charging icon when I charged it. I dont know if its well drain but I use a laptop cooling fan via OTG to drain it. the fan and the lights from the cooling pad is not functioning anymore so i try to plug the tab to the wall charger and nothing happens.
By the way thank you. :good:
Click to expand...
Click to collapse
I'm facing the same issue now, i have taped my power and volume button for a day... will that work? Did you finally turn on your tablet?
omeshls said:
I'm facing the same issue now, i have taped my power and volume button for a day... will that work? Did you finally turn on your tablet?
Click to expand...
Click to collapse
In some cases it takes more than a day, be patient... Unless you are prepared to remove the back and unplug battery... The aim of the game is to completely power down the tab and remove residual charge in components, the "hardest" reset available.... So, two ways to achieve that is drain battery or disconnect battery... If you drain battery you must be sure it's empty to achieve desired effect then you obviously cannot restart it without charging a bit as the battery is empty, so you connect charger then try to boot, but the tricky bit is being sure the battery is completely drained otherwise you are just wasting your time... That is why battery disconnect is preferable
Sent from my SGP311 using XDA Premium HD app
How to disconnect battery
stinky73 said:
In some cases it takes more than a day, be patient... Unless you are prepared to remove the back and unplug battery... The aim of the game is to completely power down the tab and remove residual charge in components, the "hardest" reset available.... So, two ways to achieve that is drain battery or disconnect battery... If you drain battery you must be sure it's empty to achieve desired effect then you obviously cannot restart it without charging a bit as the battery is empty, so you connect charger then try to boot, but the tricky bit is being sure the battery is completely drained otherwise you are just wasting your time... That is why battery disconnect is preferable
Sent from my SGP311 using XDA Premium HD app
Click to expand...
Click to collapse
How do you disconnect the battery to discharge. I tried the taped power button for five days and it still seen by PC in Device Manager.
datastar said:
How do you disconnect the battery to discharge. I tried the taped power button for five days and it still seen by PC in Device Manager.
Click to expand...
Click to collapse
Suggest you go here http://forum.xda-developers.com/showthread.php?t=2325109 download the manual - then unplug the battery for 10 mins or so to remove any residual power, reconnect and see what happens
Good luck
Edit....I got beat to the post. I would follow the advice above first.
datastar said:
How do you disconnect the battery to discharge. I tried the taped power button for five days and it still seen by PC in Device Manager.
Click to expand...
Click to collapse
Look for some videos on YouTube because it involves removing the back of your tab. So see seeing it done is a great help.
Sent from my GT-P5210 using XDA Premium HD app
Happy camper iFixIt
stinky73 said:
Suggest you go here http://forum.xda-developers.com/showthread.php?t=2325109 download the manual - then unplug the battery for 10 mins or so to remove any residual power, reconnect and see what happens
Good luck
Click to expand...
Click to collapse
Many Thanks to You stinky73
I had to purchase an iFixIt repair kit to get the correct driver to remove the two screws. I disconnected the battery, waited ten minutes and when I reconnected I was SO HAPPY to see the battery charging icon. I charged for a while a fired up the tablet. Everything was the same as if nothing happened. I am so happy because Samsung said they could fix the problem and it would be a flat rate of $150 which I don't have and I would lose everything.
Many thanks
datastar said:
Many Thanks to You stinky73
I had to purchase an iFixIt repair kit to get the correct driver to remove the two screws. I disconnected the battery, waited ten minutes and when I reconnected I was SO HAPPY to see the battery charging icon. I charged for a while a fired up the tablet. Everything was the same as if nothing happened. I am so happy because Samsung said they could fix the problem and it would be a flat rate of $150 which I don't have and I would lose everything.
Many thanks
Click to expand...
Click to collapse
How hard was removing the back? I'm wanting to do some building for my 7510 and will be using it for testing so I'm most likely to brick it at least once or twice.
Hard screw removal
Benzoman said:
How hard was removing the back? I'm wanting to do some building for my 7510 and will be using it for testing so I'm most likely to brick it at least once or twice.
Click to expand...
Click to collapse
It took me longer to remove the screws then anything. I stripped them and will need to replace them. I tried a regular screwdriver before the tri-wing screw driver and paid dearly in time. Once the two screws were removed, use a plastic pry tool starting on the bottom where the screws are because once the bottom and sides are pried lose, the top will slide over the extended audio jack.
1.5 hours to remove stripped screws
10 minutes to pry open
1 minute to disconnect battery (did not remove battery or three data cables on top of battery)
10 minutes wait for discharge
3 minutes to re-connect battery cable (it slides forward and snap down)
2 minutes to replace case
datastar said:
Many Thanks to You stinky73
I had to purchase an iFixIt repair kit to get the correct driver to remove the two screws. I disconnected the battery, waited ten minutes and when I reconnected I was SO HAPPY to see the battery charging icon. I charged for a while a fired up the tablet. Everything was the same as if nothing happened. I am so happy because Samsung said they could fix the problem and it would be a flat rate of $150 which I don't have and I would lose everything.
Many thanks
Click to expand...
Click to collapse
Happy for you, it usually works!! :good:
stinky73 said:
Happy for you, it usually works!! :good:
Click to expand...
Click to collapse
Forgive the gravedigging, but I am unable to find anything regarding my situation, and the original poster has a problem that is similar to mine (my thread is http://forum.xda-developers.com/showthread.php?p=52931715 ). I hope someone is able to give me a hand here!
I am wondering, it has been over 15 minutes since I disconnected the battery completely, but connecting the P7500 to my laptop still shows an APX device being connected. Could there be some hardware issue preventing the device from being fully discharged?
Thanks in advance for any help!
Still no joy with waking the tablet up
Lightside said:
Forgive the gravedigging, but I am unable to find anything regarding my situation, and the original poster has a problem that is similar to mine (my thread is http://forum.xda-developers.com/showthread.php?p=52931715 ). I hope someone is able to give me a hand here!
I am wondering, it has been over 15 minutes since I disconnected the battery completely, but connecting the P7500 to my laptop still shows an APX device being connected. Could there be some hardware issue preventing the device from being fully discharged?
Thanks in advance for any help!
Click to expand...
Click to collapse
I've got the same issue as Lightside and the original poster. Mine is a GT-P7500, which had CM10 nightly ROM with CWM recovery. I sold it on eBay, but before selling, I wiped the tablet and got it back to the Clockworkmod main screen. I turned it off completely and shipped it to the buyer, ready for it to be registered by the new user.
The buyer received the tablet and from the e-mails I received from him in the first couple of days, all was going well. Then, a couple of days later, he sent me an e-mail saying that the screen shows the android lying on its back with "Odin download" mode showing. A day later, he sends me a messaging saying that he can't turn the tablet on at all. The guy who bought it is an old man and didn't know much about fixing the issue. I asked him whether he powered the tablet off while still plugged in to the wall charger and he confirmed that he did. I asked him to return it to me and I can try and fix it, so now, I have the tablet back and it won't turn on. Here's what is happening:
1. I drained the battery using the cellotape method
2. Installed the NVflash drivers
3. Waited for the battery to drain (almost 9 days and the LED flash stopped blinking, so assumed it was completely drained)
4. Plugged it in to the PC and it immediately showed up again as a device under the USB controllers within Device Manager
5. I then unplugged the battery by opening the back of the tab, left it for 15 mins, then tried the wall charger again, but nothing. No charging icon on the screen.
When I try to press the power button, I can see the LED light up, but the screen is still blank.
Could this be a hardware issue and if so, what do you think could have caused it?
Could really do with some help here, folks! I don't want to have to give the buyer a refund because technically, he got it when it was in working condition and he probably did something to screw it up, but since he's an old man, I thought I'd try and help him, if I can.
same to me
someshj1577 said:
I've got the same issue as Lightside and the original poster. Mine is a GT-P7500, which had CM10 nightly ROM with CWM recovery. I sold it on eBay, but before selling, I wiped the tablet and got it back to the Clockworkmod main screen. I turned it off completely and shipped it to the buyer, ready for it to be registered by the new user.
The buyer received the tablet and from the e-mails I received from him in the first couple of days, all was going well. Then, a couple of days later, he sent me an e-mail saying that the screen shows the android lying on its back with "Odin download" mode showing. A day later, he sends me a messaging saying that he can't turn the tablet on at all. The guy who bought it is an old man and didn't know much about fixing the issue. I asked him whether he powered the tablet off while still plugged in to the wall charger and he confirmed that he did. I asked him to return it to me and I can try and fix it, so now, I have the tablet back and it won't turn on. Here's what is happening:
1. I drained the battery using the cellotape method
2. Installed the NVflash drivers
3. Waited for the battery to drain (almost 9 days and the LED flash stopped blinking, so assumed it was completely drained)
4. Plugged it in to the PC and it immediately showed up again as a device under the USB controllers within Device Manager
5. I then unplugged the battery by opening the back of the tab, left it for 15 mins, then tried the wall charger again, but nothing. No charging icon on the screen.
When I try to press the power button, I can see the LED light up, but the screen is still blank.
Could this be a hardware issue and if so, what do you think could have caused it?
Could really do with some help here, folks! I don't want to have to give the buyer a refund because technically, he got it when it was in working condition and he probably did something to screw it up, but since he's an old man, I thought I'd try and help him, if I can.
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Click to collapse
i have a GT-7500 ,i used the original firmeware,it's the same issue,drain battery method not working,somebody help?

Battery drop down

It is brought out that I have been offlately facing aforementioned stange battery charge drop down on all the reboots.
To double check the same I used one of my friends battery who never experienced such thing and the same issue happened with his battery in my phone. (His phone is galaxy r)
In view of the above situation, I would like to ask all members to advise/help me to find solutions on the following points
1. Is this problem related with hardware
2. A software bug.
3. Could be kernel related.
I also understand that lot of people are experiencing this issue. if togerher we can share our experience in this thread I am hopeful that we would be able to find the solution.
Sent from my GT-I9100 using xda premium
More details needed mate. Which ROM are you on? Which kernel? Rooted or not? How much battery standby do you get? Any BBS log?
immortalneo said:
More details needed mate. Which ROM are you on? Which kernel? Rooted or not? How much battery standby do you get? Any BBS log?
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Click to collapse
I am on s2 like s4 rom with dorimanx 8.32.
Rooted. No issues with battery standby. Getting good battery life. The problem only starts when I switch it off or reboot
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vishal11in said:
The problem only starts when I switch it off or reboot
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Click to collapse
Unusual or abnormal battery drops after a reboot indicate 2 things:
1. Some problem with battery calibration (could be due to recently flashed new ROM/kernel or due to wiping battery stats). For this, simply allow your phone a few days to recreate the battery stats.
2. Old or failing battery. In this case, a replacement battery would be needed.
"To err is human, to forgive is divine."
Sent from my SGS II
immortalneo said:
Unusual or abnormal battery drops after a reboot indicate 2 things:
1. Some problem with battery calibration (could be due to recently flashed new ROM/kernel or due to wiping battery stats). For this, simply allow your phone a few days to recreate the battery stats.
Rom was flashed 2 weeks back. If this would have been the case it should have settled by now.
Anyways I will do a battery calibration to see if it improves.
2. Old or failing battery. In this case, a replacement battery would be needed.
This can be considered as the battery is now 1 year old but when I used my friends battery the same drop down happened which is not the case with his phone which is galaxy r.
"To err is human, to forgive is divine."
Sent from my SGS II
Click to expand...
Click to collapse
There is something else which we are not able to diagnose.
Whats your say
Sent from my GT-I9100 using xda premium
It could also be due to faulty USB port/board or the connector pins.
immortalneo said:
It could also be due to faulty USB port/board or the connector pins.
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Click to collapse
I think connector pins do not play any part here.
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Check your media files.
vishal11in said:
I think connector pins do not play any part here.
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Click to collapse
There is a media scan that happens everytime you reboot, So in that case if your having large number of corrupted files, There will be huge battery drain.
Check your external card for .nomedia files and delete them.
Check your internal memory for .nomedia files and delete them.
Use MP3 CHECKER and Check for broken MP3 files.
Fix it and you are good to go :good:
prashanth8888 said:
There is a media scan that happens everytime you reboot, So in that case if your having large number of corrupted files, There will be huge battery drain.
Check your external card for .nomedia files and delete them.
Check your internal memory for .nomedia files and delete them.
Use MP3 CHECKER and Check for broken MP3 files.
Fix it and you are good to go :good:
Click to expand...
Click to collapse
Scanned and found lot of nomedia files... deleted them
also, scanned the mp3 files and found lot of them were broken therefore deleted the broken once.
After started the phone twice and this time only lost 1% on each reboot... seems it is sorted but will keep an eye for two three days and report back.
Prashanth thanks for the advise it seems to working.
Am glad that i helped you mate
Is there any way to scan the nomedia files on the phone and delete them.
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I looked up for nomedia files and found out I don't have them, so, the problem on my phone is not it. But I still have these battery drop down when I reboot below 50%, and when it turns on, it's between 10 and 25%. Any ideas of what is wrong? I have 3 batteries and all of them behave this way, obviously is the hardware/firmware.
MJDdeLacerda said:
I looked up for nomedia files and found out I don't have them, so, the problem on my phone is not it. But I still have these battery drop down when I reboot below 50%, and when it turns on, it's between 10 and 25%. Any ideas of what is wrong? I have 3 batteries and all of them behave this way, obviously is the hardware/firmware.
Click to expand...
Click to collapse
Same is the case with me. I think some hardware problem. If your phone is in warranty pls take it to service centre and see what they say about this. Otherwise we would keep assuming and never come to conclusion
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I have battery dash installed. Which states that phone was un plugged two days before whereas i charged my phone last night 100%. Wondering
Sent from my GT-I9100 using xda premium
Same!
Yes i have a battery draining problem too. i bought my S2 on Wednesday and when i switched it on, it was already on the JB Firmware. But i havent used a SD card and yet im still getting the problem after factory resetting it.
Really want to stay on this firmware without the draining problem :/
Code SyGma said:
Yes i have a battery draining problem too. i bought my S2 on Wednesday and when i switched it on, it was already on the JB Firmware. But i havent used a SD card and yet im still getting the problem after factory resetting it.
Really want to stay on this firmware without the draining problem :/
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Click to collapse
Is it in warrenty.
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vishal11in said:
Is it in warrenty.
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Click to collapse
Nope, bought it unlocked
Sent from my GT-I9100 using xda app-developers app
MJDdeLacerda said:
I looked up for nomedia files and found out I don't have them, so, the problem on my phone is not it. But I still have these battery drop down when I reboot below 50%, and when it turns on, it's between 10 and 25%. Any ideas of what is wrong? I have 3 batteries and all of them behave this way, obviously is the hardware/firmware.
Click to expand...
Click to collapse
This is the usual behavior of the fuel gauge chip. To avoid this you have two options: only reboot the phone if you have 80%+ of battery or plug in the charger before you reboot and unplug it after the reboot is completed.
timeshiftt said:
This is the usual behavior of the fuel gauge chip. To avoid this you have two options: only reboot the phone if you have 80%+ of battery or plug in the charger before you reboot and unplug it after the reboot is completed.
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Click to collapse
This never use to happen when battery was new. So this only happens when battery gets old and looses charge.
I went to samsung service centre today and was given to understand that my battery is loosing current when on low power as this is not the genuine battery.
So now I will get hold of my friends new galaxy s2 and try his battery and see if this is the case and report back
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timeshiftt said:
This is the usual behavior of the fuel gauge chip. To avoid this you have two options: only reboot the phone if you have 80%+ of battery or plug in the charger before you reboot and unplug it after the reboot is completed.
Click to expand...
Click to collapse
That's a conclusion I arrived months ago, and apparently is the only thing that can help me...
vishal11in said:
Same is the case with me. I think some hardware problem. If your phone is in warranty pls take it to service centre and see what they say about this. Otherwise we would keep assuming and never come to conclusion
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
My phone is off warranty about 1 year now...
vishal11in said:
This never use to happen when battery was new. So this only happens when battery gets old and looses charge.
I went to samsung service centre today and was given to understand that my battery is loosing current when on low power as this is not the genuine battery.
So now I will get hold of my friends new galaxy s2 and try his battery and see if this is the case and report back
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
When I bought my phone, it didn't happened. I just start to happen when I flashed my 1st custom rom, 6 months after, so, maybe somthing changed with it that cause this...
Until 2 months ago, I believe the timing is right, the original rom as Neat Rom worked flawlessly in matter of this subject, but now not anymore... So I don't know what to think about, if it's some modern incompatibility or something with the battery/phone.

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