Phone shuts down randomly - Galaxy S II Q&A, Help & Troubleshooting

I am facing a weird problem right now, while I am on 40~50 % of battery, the screen blinks fast an the phone shuts down. Sometimes I should just turn it on and all is good and sometimes I must plug in the charger. It happened on both a custom ROM and a stock ROM. Is my battery dying? It doesn't seem to be a software issue though...
Another issue which is probably related to this, sometimes when I restart the phone, the battery just drops from like 80 percent to 15 or less...
If more information are needed just ask please..
I appreciate any help
sent with my homing pigeon

riro1612 said:
I am facing a weird problem right now, while I am on 40~50 % of battery, the screen blinks fast an the phone shuts down. Sometimes I should just turn it on and all is good and sometimes I must plug in the charger. It happened on both a custom ROM and a stock ROM. Is my battery dying? It doesn't seem to be a software issue though...
Another issue which is probably related to this, sometimes when I restart the phone, the battery just drops from like 80 percent to 15 or less...
If more information are needed just ask please..
I appreciate any help
sent with my homing pigeon
Click to expand...
Click to collapse
Just to be clear whether its really a Battery Issue all u can do is try another battery (may be one from ur friends phone) and see, if no issue found, then its time u got ur phone battery replaced with a new one

Sun90 said:
Just to be clear whether its really a Battery Issue all u can do is try another battery (may be one from ur friends phone) and see, if no issue found, then its time u got ur phone battery replaced with a new one
Click to expand...
Click to collapse
Right, lucky me my brother has an s2. I am going to try it out and post again. Thanks
sent with my homing pigeon

Related

Sudden shutdown and Sudden battery drain

Hi all, I have a very serious problem here. Please help me out.
Whenever I am using my phone for more than around 10-15 mins continuously, even though battery is around 80-85%, I lose network all of a sudden, the phone flickers or flashes or blinks for a moment and shuts down all of a sudden. When I try to boot it again, it says battery low and many times, it wont boot only. When it is about to be botted only it gets turned off. the solution is to connect to charger when it shuts down. At first, on connecting, it shows zero battery, and immediately battery level will be restored to the previous level, after blinking again in the charging screen and then only I can turn it on. What is the issue?
I also tried wiping data/factory reset.. Wipe cache and dalvik wipes repeatedly. Tried many roms like resurrection 2.6, 3.01, XWLPM stock rom, Salman ROM, etc. The same issue happens in all the roms as well.
Somebody do reply!
Sent from my GT-I9100 using xda app-developers app
That sounds serious, have you tried sending it to the customer service? It's helpful if you're still on warranty..
Sent from my GT-I9100 using xda premium
well do one thing- try flashing another kernel too- anything will do - siyah maybe. 1% chance of it working..
and if it doesn't, what this means is that it is most probably a hardware issue- and you would need to get your phone checked in the service center.
Have you tried a different battery?
Sent from........Somewhere In Time
Maybe battery failure! try with a different battery if no change and everything was like before then I suggest you to send it to customer service as soon as possible.
Same thing for Stock
I experienced the same thing on Stock samsung unrooted rom 4.0.3
I suddenly found that my phone is not responding and is heated up too much, I quickly removed the battery and after letting it to cool off restarted it.
Was amazed to see battery came down to 20% from 80%, Post this incident it is working fine
Now I have tried multiple kernels and Roms and it still is working awesomely on everything I throw at it
saywhatt said:
That sounds serious, have you tried sending it to the customer service? It's helpful if you're still on warranty..
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
sendsmsdad said:
well do one thing- try flashing another kernel too- anything will do - siyah maybe. 1% chance of it working..
and if it doesn't, what this means is that it is most probably a hardware issue- and you would need to get your phone checked in the service center.
Click to expand...
Click to collapse
tylerdurdin said:
Have you tried a different battery?
Sent from........Somewhere In Time
Click to expand...
Click to collapse
ercxar said:
Maybe battery failure! try with a different battery if no change and everything was like before then I suggest you to send it to customer service as soon as possible.
Click to expand...
Click to collapse
sirajuddin said:
I experienced the same thing on Stock samsung unrooted rom 4.0.3
I suddenly found that my phone is not responding and is heated up too much, I quickly removed the battery and after letting it to cool off restarted it.
Was amazed to see battery came down to 20% from 80%, Post this incident it is working fine
Now I have tried multiple kernels and Roms and it still is working awesomely on everything I throw at it
Click to expand...
Click to collapse
Thanks for the replies
Turns out its some battery problem. I swapped mine with a friend's battery. He is facing the same issues now and I am not facing any issue. In ebay and flipkart, it shows original battery costs just 559 Rs(around 10$). Is the original battery available for such a cheap price? Or is it not genuine?
It sounds suspiciously cheap.. mmmmm. You should try going for the legit 2000mAh from samsung longer battery life haha so much win
Sent from my GT-I9100 using xda premium
saywhatt said:
It sounds suspiciously cheap.. mmmmm. You should try going for the legit 2000mAh from samsung longer battery life haha so much win
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
where can I buy it online?
Well u could try ebay, but u gotta be careful, it could be a total hoax. I recommend u buy it in samsung or some official retailers
just a girl addicted to android
Hi yashwanthms,
Just to let you know, currently I'm facing exactly the same issue.
During or after using camera, gps or usage of data, the screen flickers and then after a few seconds it freezes and shuts down. Switching it on doesn't work, because it thinks the battery is dead while still having 50% left or something like that. It does however work when it is plugged into power.
Thanks for your reply of your battery replacement. I will try the same thing and see if it works out.
Still a question though: did you buy a new battery and what were your results afterwards?
Kind Regards,
Ahsimmis
same issue here
After reading above posts, I'm sure it is a battery issue. I use hotspot and GPS a lot which is why I've to charge a lot and charge while docked to car cigarette lighter too, no wonder the battery didn't last more than a year. Will buy a new battery tomorrow and post the result here.
yashwanthms said:
where can I buy it online?
Click to expand...
Click to collapse
try amazon
yashwanthms said:
Hi all, I have a very serious problem here. Please help me out.
Whenever I am using my phone for more than around 10-15 mins continuously, even though battery is around 80-85%, I lose network all of a sudden, the phone flickers or flashes or blinks for a moment and shuts down all of a sudden. When I try to boot it again, it says battery low and many times, it wont boot only. When it is about to be botted only it gets turned off. the solution is to connect to charger when it shuts down. At first, on connecting, it shows zero battery, and immediately battery level will be restored to the previous level, after blinking again in the charging screen and then only I can turn it on. What is the issue?
I also tried wiping data/factory reset.. Wipe cache and dalvik wipes repeatedly. Tried many roms like resurrection 2.6, 3.01, XWLPM stock rom, Salman ROM, etc. The same issue happens in all the roms as well.
Click to expand...
Click to collapse
\
Like others said, I think it's battery problem. Do not use cheap unreliable batteries, nor leave your phone charging after 100% charged for a long time. This would affect your battery performance. Experienced that using my back-up battery, from 25%, sudden shutdown. My original battery would alert me first "Battery is now low, please recharge now". The back-up won't.
This is to confirm that I've purchased a new battery from Samsung franchise store. It is doing fine.
Cost me Rs.800 which is like $18. The store didn't have any retail battery in stock but they provided me one from one of the phones on display. I'm not sure if I did the right thing by taking it but I needed one badly and none of the stores I went to had any in stock for retail (there are like 15 of them in a 2km radius)
This is happening to both mine and my wife's Galaxy S II's. Screen flickers, shuts down, comes back with zero battery, plug it in to charge for a few minutes, suddenly back to ~80%. I've also found the phone is hot when this happens, pulled the battery and its NOT the battery that is hot, the phone itself is (feels hottest right below the camera, just above the battery port).
I ordered a replacement battery for her and it cleared the issue for about 2 weeks but now its happening again. The replacement was a genuine Samsung OEM, same maH, same part number.
My phone is rooted with a custom ICS kernel, her's is factory ICS.
I've ordered a new battery for my phone too to try, but I'm not convinced its solely a battery issue.
Staxeon said:
This is happening to both mine and my wife's Galaxy S II's. Screen flickers, shuts down, comes back with zero battery, plug it in to charge for a few minutes, suddenly back to ~80%. I've also found the phone is hot when this happens, pulled the battery and its NOT the battery that is hot, the phone itself is (feels hottest right below the camera, just above the battery port).
I ordered a replacement battery for her and it cleared the issue for about 2 weeks but now its happening again. The replacement was a genuine Samsung OEM, same maH, same part number.
My phone is rooted with a custom ICS kernel, her's is factory ICS.
I've ordered a new battery for my phone too to try, but I'm not convinced its solely a battery issue.
Click to expand...
Click to collapse
I have the same problem, change the battery with new one but still it happens & I am afraid it may be hardware!
Phone is not root & running official rom 4.0.4
I have changed battery and now it works ok. But yesterday, the phone freezed and became very hot. I rebooted it and then the battery level decreased high. After that it works ok again.
same problem
hi there,
I am having the same problem as on the OP. Have already ordered a new battery, because my warranty expired on sep 15th and I was on holidays outside my city and without the invoice
do you have any feedback about changing the battery?
thanks.

[Q] problem with sgs2 batery and reboot

well i had the 4.0.4 edition on my phone and it work perfectly fine until 2 weeks ago that started to close off at its own even with full batery and when i turned on it shows no batery at all as if it was totaly empty ! if i waited or remove the batery and open again then it shows the real batery remining ! after some investigation when i open the wifi or the gps after a minute it shut downs completly after a sort stuck !
i also upgraded to 4.1.2 just a minute ago with full format and the same issue apears !i dont realy know what that problem is and i really use the wifi or the gps and now i cant use my phone at all ! is there any solution to that or someone with that problem !? thanks
I had the same problem, mate. In my case, it only occurred when the phone was not plugged in. Also, the battery seems a little "chubby" on the back, I've heard ppl say its a symptom of a busted battery. Already ordered a new battery and as soon as it arrives, will test and give you feedback.
Daimao1984 said:
I had the same problem, mate. In my case, it only occurred when the phone was not plugged in. Also, the battery seems a little "chubby" on the back, I've heard ppl say its a symptom of a busted battery. Already ordered a new battery and as soon as it arrives, will test and give you feedback.
Click to expand...
Click to collapse
Chubby battery = Bad. Something in it ruptured, should stop using it.
Either that or do not charge it to full or leave it charging, it may blow up.

S2 "powering" itself down with battery drain PLZ HLP!

Is there anyone facing the issue of there phone seemingly powering off but its still running and gets really hot ad you can see in the graph (also unable to wake phone up, but i know its on because it takes a good few seconds of holding the power button to turn it back on so to say) WITH CHUNKS OF BATTERY DRAIN!, ive wiped data, all caches, flashed different roms, different kernals formated SD, calibrated the battery, reset the fuel gauge chip, the lot but yet it still happens and draining massive battery percentages? It might happen twice a day, or once every two days... anytime!
Sent from my GT-I9100 using xda app-developers app
Another battery perhaps?
Sent from the little guy
Try using a different battery or calibrate the fuel gauge. Search the forum about it, these kind of threads pop up every other day.
Sent from my digital submersible hovercraft.
Hey dudes, yeah i tried a new battery and the fuel gauge chip already but it still happens i also bought betterbatterystats but it doesn't work on the ROM I'm using (jellybam 6.3)
Sent from my GT-I9100 using xda app-developers app
Jellybam? Flash another ROM.
Sent from the little guy
I updated my phone from gingerbread to ICS via kies, from there i flashed from stock ICS to a couple versions of resurrection remix, then to jellybam, and its been happening since i originally updated via kies
Sent from my GT-I9100 using xda app-developers app
Flash another ROM.
Sent from the little guy
Duplicate threads:
http://forum.xda-developers.com/showthread.php?t=2145124 "PLEASE HELP! Screen Flickering and S2 shuts down, already changed the battery."
http://forum.xda-developers.com/showthread.php?t=2169341 "S2 "powering" itself down with battery drain PLZ HLP!"
http://forum.xda-developers.com/showthread.php?t=2089248 "Battery problems after fleshing custom rom"
Looks like a lot of ppl are having this problem after going to JB.
I had same issues in my case it was ext sdcard. After changing sdcard everything is fine.
I am having the same issue! Galaxy S2 canadian international version (I9100M) with VirginMobile. I upgraded to stock JellyBean after flashing CM9 to stock ICS in order to upgrade from stock ICS to stock JellyBean via Kies.
When it happends, I can't wake the phone. The battery gets hot. I need to remove the battery in order to reboot. Also, it seems that my device is in a constant reboot cycle. Everytime I power it down it reboots, same goes when I remove the battery and put it back in, no need to touch the power button that the device is already booting. I went from about 70% down to 15%!
I can't post pictures now (seems that I need 10 message to do that).
I tried to remove my external 32gb SDCard. Will report if it changes anything!
Factory reset if you're able to get into recovery.
Sent from the little guy
I noticed my battery appears to have swollen slightly on both sides.
This is a very random thought - what if one something we've flashed (leaked ROM, bad kernel, ?) allowed the battery to be overcharged and has damaged it, or the battery controller permanently? Hence why we're all having problems.
Today my phone wouldn't finish turning on without the charger plugged in, despite saying it had ~25% battery life, it would turn off just after or just before entering the SIMcard unlock PIN.
battery swollen = near battery death
Sent from the little guy
Im also having this same problem with my battery, and I bought a new battery today but it still showed the ridiculous remaining times and even shut down on me again even tho this is a new battery, i changed to JB 4.1.2 when this started happening and i tried reflashing it with official JB through Kies but the problem is still there so it has to be something with the JB firmware itself but what exactly is causing it i dont know.
A lil help with solving this will be greatly appreciated cause it is getting frustrating having a battery at 100% but the time on the battery status shows only (2 - what ever random weird time it has) minutes remaining until it shuts down.
gennocyde said:
Im also having this same problem with my battery, and I bought a new battery today but it still showed the ridiculous remaining times and even shut down on me again even tho this is a new battery, i changed to JB 4.1.2 when this started happening and i tried reflashing it with official JB through Kies but the problem is still there so it has to be something with the JB firmware itself but what exactly is causing it i dont know.
A lil help with solving this will be greatly appreciated cause it is getting frustrating having a battery at 100% but the time on the battery status shows only (2 - what ever random weird time it has) minutes remaining until it shuts down.
Click to expand...
Click to collapse
I've been experiencing the same problem with my SGS2's battery and noticed that it is getting bloated. I purchased a new one to prevent severe damage on my mobile phone.
gennocyde said:
Im also having this same problem with my battery, and I bought a new battery today but it still showed the ridiculous remaining times and even shut down on me again even tho this is a new battery, i changed to JB 4.1.2 when this started happening and i tried reflashing it with official JB through Kies but the problem is still there so it has to be something with the JB firmware itself but what exactly is causing it i dont know.
A lil help with solving this will be greatly appreciated cause it is getting frustrating having a battery at 100% but the time on the battery status shows only (2 - what ever random weird time it has) minutes remaining until it shuts down.
Click to expand...
Click to collapse
I've been experiencing the same problem with my SGS2's battery and noticed that it is getting bloated. I purchased a new one to prevent severe damage on my mobile phone.
ielle227 said:
I've been experiencing the same problem with my SGS2's battery and noticed that it is getting bloated. I purchased a new one to prevent severe damage on my mobile phone.
Click to expand...
Click to collapse
It's worse enough you post this on every battery related tread, now you're posting it twice on the same tread? Why?
Sent from my gt-9100 powered by dorimanx
You can thank me if i helped you
DubAholic said:
It's worse enough you post this on every battery related tread, now you're posting it twice on the same tread? Why?
Sent from my gt-9100 powered by dorimanx
You can thank me if i helped you
Click to expand...
Click to collapse
i'm sorry, i did not notice that i've posted it twice on the same thread.
ielle227 said:
i'm sorry, i did not notice that i've posted it twice on the same thread.
Click to expand...
Click to collapse
It's enough to post it on 1 battery related tread, you're not helping anyone by posting it on every tread
Normally people search before they post, so if they have the same problem as you they will notice your post even if it's on only 1 battery related tread
Sent from my gt-9100 powered by dorimanx
You can thank me if i helped you
DubAholic said:
It's enough to post it on 1 battery related tread, you're not helping anyone by posting it on every tread
Normally people search before they post, so if they have the same problem as you they will notice your post even if it's on only 1 battery related tread
Sent from my gt-9100 powered by dorimanx
You can thank me if i helped you
Click to expand...
Click to collapse
thanks for the feedback, haha.. :silly:

[PROB] Charging issue while phone is connected to charger

Hi guys, I am facing a problem regarding charging. Sometimes when I connect my phone to charger, it not used to charge up my phone. The phone itself shows that its being charged but the charge starts to reduce while charging and then turns off. When i reboot after 30 minutes, it shows 1 or 2% charge and then again after sometimes get switched off. Several times I have faced this isuue and the main problem is this issue wont happen every time, so I cant go to service centre too. If I ask for replacement, they will ask me to show the problem but if the problem vanish, they wont do anything. So if anyone else faced this issue and have any solution please help me. Thanks.
Sent from my GT-I8552 using Tapatalk
coolkoushik07 said:
Hi guys, I am facing a problem regarding charging. Sometimes when I connect my phone to charger, it not used to charge up my phone. The phone itself shows that its being charged but the charge starts to reduce while charging and then turns off. When i reboot after 30 minutes, it shows 1 or 2% charge and then again after sometimes get switched off. Several times I have faced this isuue and the main problem is this issue wont happen every time, so I cant go to service centre too. If I ask for replacement, they will ask me to show the problem but if the problem vanish, they wont do anything. So if anyone else faced this issue and have any solution please help me. Thanks.
Sent from my GT-I8552 using Tapatalk
Click to expand...
Click to collapse
Hi,
I've actually faced a similar issue (perhaps not the same). It was the very first time I bought the phone, to many charging troubles. The phone on connected didn't show charging or sometimes say "Not Charging". I had to turn off the phone and get it somehow to charging mode left it around half an hour - then after some tantrums the phone once turns on - displayed charging like 12% already. Thereon the charging went OK. So perhaps there is some issue with the OS's calibration with battery.
Once I allow the phone to go less than 10% with dual sim on - the problems re-appear. Most probably, on initial usage - allow battery to completely Charge and then discharge for 3-5 times then the charging woes dwindle away. Hope this helps. Cheers!
coolkoushik07 said:
Hi guys, I am facing a problem regarding charging. Sometimes when I connect my phone to charger, it not used to charge up my phone. The phone itself shows that its being charged but the charge starts to reduce while charging and then turns off. When i reboot after 30 minutes, it shows 1 or 2% charge and then again after sometimes get switched off. Several times I have faced this isuue and the main problem is this issue wont happen every time, so I cant go to service centre too. If I ask for replacement, they will ask me to show the problem but if the problem vanish, they wont do anything. So if anyone else faced this issue and have any solution please help me. Thanks.
Sent from my GT-I8552 using Tapatalk
Click to expand...
Click to collapse
same here bro....in my case the battery dischargers while charging!!!!but having no solutions.....
scool54 said:
same here bro....in my case the battery dischargers while charging!!!!but having no solutions.....
Click to expand...
Click to collapse
How do u charge ur phone now?
Sent from my GT-I8552 using Tapatalk
In my case this problems suddenly disappears n suddenly comes back. Dont know whats causing the problem..
Sent from my GT-I8552 using Tapatalk
coolkoushik07 said:
How do u charge ur phone now?
Sent from my GT-I8552 using Tapatalk
Click to expand...
Click to collapse
i just stop my work on the mob...screen off n let it for some time...i think that its due to over use while charging... as i do listen music,also surfing...hence it causes discharging mob....
scool54 said:
i just stop my work on the mob...screen off n let it for some time...i think that its due to over use while charging... as i do listen music,also surfing...hence it causes discharging mob....
Click to expand...
Click to collapse
The prob is in charger. May be there is some loose connection in the charger itself.. simply go to service centre for a replacement of ur charger.. In my case the phone is charging as usuall with an another charger..
Sent from my GT-I8552 using Tapatalk
There are two reasons why this happens one is the problem with the firmware of the phone, and the other with the charger, u use any other charger from samsung for a period and see the problem is still there. If this persists, run to service centre and ask them to reinstall/flash your ROM.
Probably it will be with the charger, and when the SC personnel checks they wont agree with you for a problem in the charger. Better you check it with another charger.. :good:
DMJoh said:
There are two reasons why this happens one is the problem with the firmware of the phone, and the other with the charger, u use any other charger from samsung for a period and see the problem is still there. If this persists, run to service centre and ask them to reinstall/flash your ROM.
Probably it will be with the charger, and when the SC personnel checks they wont agree with you for a problem in the charger. Better you check it with another charger.. :good:
Click to expand...
Click to collapse
It was charger peoblem.. Samsung SC personnel was denying that its a problem and even harassed me. Next day I went their with proof of my problem and they told the problem is in data cable part and as my phonr is 4months old, I wont get warranty.. Next day i called samsung call centre and confirmed myself about the warranty and abused the manager of that SC for telling me lie and then he replaced the full charger set without saying a single word..
Sent from my GT-I8552 using Tapatalk
dats d spirit bro.. we should respond or they are gonna eat up our head.. and thats a good news your problem is solved. And this is great that you informed this in the forum.. rarely people do this.. anyways kudos n all d best..
Sent from my GT-I9082 using XDA Premium 4 mobile app
DMJoh said:
dats d spirit bro.. we should respond or they are gonna eat up our head.. and thats a good news your problem is solved. And this is great that you informed this in the forum.. rarely people do this.. anyways kudos n all d best..
Sent from my GT-I9082 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Yup if u talk with them in a decent way, they will treat u like a donkey and will try to make u fool..
Sent from my GT-I8552 using Tapatalk
Same s***, same wipe. Just try connecting to a different, greater capacity charger or the PC. Solved? =D Y Go get a fizz. Not solved? >E replace battery and charge it through. Solved? 8D Y Y Y Enjoy life.

Screen Stays on when Charging

ok ive been dealing with this problem for awhile.
Whenever im plugged in and charging(possibly when im at full battery) either the screen stays on or randomly pulses back on. Tends to be the first which is a big problem
because either with the screen on high it drains the battery to dead slowly or overheats crashes the phone but still continues to drain the battery. Which is a big pain in the ass with
the recharge time when you drain the battery to dead(wall charger)
Its lasted through several different roms and reset tp original rom.
Yes ive turned off the dev setting
thanks.
bak3donh1gh said:
ok ive been dealing with this problem for awhile.
Whenever im plugged in and charging(possibly when im at full battery) either the screen stays on or randomly pulses back on. Tends to be the first which is a big problem
because either with the screen on high it drains the battery to dead slowly or overheats crashes the phone but still continues to drain the battery. Which is a big pain in the ass with
the recharge time when you drain the battery to dead(wall charger)
Its lasted through several different roms and reset tp original rom.
Yes ive turned off the dev setting
thanks.
Click to expand...
Click to collapse
I'm just guessing but it can be cable fault. Try it with another cable or even different charger to see if the problem is still present. If yes and you are still under warranty i would recommend to take it to the service center.
There is a "developer" option about this on the settings, so you can toggle it on or off while you're charging. Please verify! : )
.....,...............
bak3donh1gh said:
Yes ive turned off the dev setting
thanks.
Click to expand...
Click to collapse
Andre Verissimo said:
There is a "developer" option about this on the settings, so you can toggle it on or off while you're charging. Please verify! : )
Click to expand...
Click to collapse
see above
i guess no one reads the entire post.
Well the problem has morphed even worse, if i shutdown the phone and leave it plugged in it wont charge but the battery charging screen will drain the battery.
bak3donh1gh said:
i guess no one reads the entire post.
Well the problem has morphed even worse, if i shutdown the phone and leave it plugged in it wont charge but the battery charging screen will drain the battery.
Click to expand...
Click to collapse
Check dev settings or DL factory reset
sorry guys but i really have to say holy **** twice ive said i've checked the DEV SETTINGS.
but i realize im not going to get any actual help with this odd problem here.
As @Jecmenn said earlier, it seems like a broken cable or the connection between the micro USB cable and the phone isn't perfect, like it is connecting and disconnecting over and over. Try another cable, if it doesn't help, the phone's USB is damaged. And easy pal, being rude won't help you.
Regards

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