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I bought the samsung s2 primarily because of the amazing reviews it got for battery life.
I got mine 2 days ago and right from the start there were problems. I charged the unit three hours and according to the battery meter it had still not charged. then I tried to turn on the phone nevertheless, and it said it had 100% battery life. I then used it for 2 mins and it dropped down to 0% again and powered down. Then on charge back up to 100% in a couple of moments and back down to 0 % mins later. I took the battery out then put it back in - and then it was working fine again.
Now on day two, I've noticed an immense drain when its in use. Check out the screenshots. I think I'd be lucky to get two hours solid use out of it.
Should I return it, or does this look standard?
The battery needs some time before it reaches it full potential. In the mean time do some searching cause there already are enough battery life threads.
I already searched and read many of the other battery threads but didnt come across anyone who'd experienced the problem I described.
chadlondon said:
I bought the samsung s2 primarily because of the amazing reviews it got for battery life.
I got mine 2 days ago and right from the start there were problems. I charged the unit three hours and according to the battery meter it had still not charged.
Correct 0-100% about four hours longer on a brand new phone ,
then I tried to turn on the phone nevertheless, and it said it had 100% battery life. I then used it for 2 mins and it dropped down to 0% again and powered down. Then on charge back up to 100% in a couple of moments and back down to 0 % mins later. I took the battery out then put it back in - and then it was working fine again.
bad battery connections clean .
Now on day two - I charged it at 9pm last night and by 9.30 am unplugged it was down to 84%. This with no apps open, no widgets running - nothing. wifi was active though.
Overnight is variable and Wifi uses battery .
then in using it for just 40 mins - doing nothing more than internet surfing through wifi; it drops from 84 - 68%.
Does this pace of battery power loss sound consistant with other users experiences, or should I return the unit and ask for a new one?
I think you have two choices one charge the battery read all the battery posts .
Or return to seller .
Personally i would turn WiFi GPS etc off at night charge phone to 100% see what it drops to by morning .Big drop and it would be returned as your original 100% to 0 drop very quickly suggests a possible fault .
jje
Click to expand...
Click to collapse
Thanks for your feedback.
I've read through quite a few posts there.
One thing; do we know how long galaxy s2 should be able to be on for if the screen was on the whole time? Is four hours low, or does that sound right??
50% or less on brightness playing SD video should last more then 7 hours , browsing web however can be 5ish+ .
Screen at 100% and browsing web drains battery fast , 4 sounds about right.
It all depends what and how you doing it ?
Well I have it on auto brightness, usually which seems to be around 50%....
and I'm web browsing or just playing around with settings and looking at menus. I'm down to 45% battery and have probably had the screen lit up for maybe 90 mins max??
rest of the time phone has been on idle with wifi on but no network activity...
does this sound below what it shoudl be??
OK I've now attached my screenshot.
Does this battery usage seem normal??
i.e, such extreme drops when the phone is in active use???
All I've been doing is texting, some wifi surfing, and looking at menus.
Search the forum for "Android OS bug". There's no solution yet though. Turning wifi off when you're not using it helps.
Root your phone, install titanium backup & freeze samsung bloatware mainly wifi sharing
roirulz said:
Root your phone, install titanium backup & freeze samsung bloatware mainly wifi sharing
Click to expand...
Click to collapse
Daaamn he got there 1st lol. But hes on the ball. Do that and truuuust me u will see a really nice improvement .
Sent from my porn shoot using GT-I9100.
Oh yeah and bloatware freezer is a really good freezing app .
Sent from my porn shoot using GT-I9100.
Hi there.
I have installed Lite’ning Rom v1.5. Everything is working ok, but yesterday before sleeping I had battery 80 %, today after 6 h it drops to 1 %. I have data transfer turned off, also Gps, WiFi, ... Also before 2 weeks it drops from 100 % to 70 % after some hours with no using.
I have to add, that my battery held up for 4 days once with no particular using.
Any ideas plz?
Thx for answer.
Hi all,
I've got my sg2 since june and since the first moment I have got the same problems. I had the stock ROM & kernel with android 2.3.3. The problems I experienced were these:
1) extreme low battery life (6-10 hours, with normal usage)
2) when using heavy apps, my s2 just suddenly turns of. When rebooting it, it has a battery drop of like ~15%. (this only occurs when battery is already bellow 40% left).
3) Like 5-20 times a day (it really difference day-to-day), I got the notification that I have to put my sg2 on a charger. - So the battery bar drops from example 80% to 1%. After like 1 or 2 minutes it just fills up back again to the 80% before. Sometimes when this occurs, it also turns in a few % (like 80% before, and afterwards 75%).
So what did I already tried to fix this?:
- bought new 1600mah battery > didnt solve the problem, conclusion: no hardware malfunction
- I thought the problems could be occured by the tiny space between the battery and the frame of the phone. So it had a lack in connection... So I filled up the little space with i tiny piece of paper> nope didnt helped.
- downloaded mutiply apps for battery saving, task killers, etc etc.> didnt help!
It's really really frustrating, and I'm guessing more and more it's just a software problem. I do have warranty/insurance on it, but i don't want to send my phone to a repairservice because then I've no phone for like 3 or 4 weeks.
So my last option for me was to try a custom ROM and Kernel. So last week I installed the Lite'ning ROM. I also followed up the advice to calibrate my battery, so i did.
And the first day it was running really smoothed! At the end of the day my battery was still alive and I've used it for over 20hours, so I was really statisfied... But a small sidenote: I had a really busy day at work, so I didnt use my phone that much.
So next day, used it alot more. After 5 hours it had only 50% left.... And that's not all, my phone turned off suddenly. Not once, not twice, but 5 times that day.
Seems all these solutions didnt help. The only positive thing of installing Lite'ning ROM is that i now have about 4 or 5 hours more battery life a day.. But if I use it alot, it shut downs a lot more. Wich lead in more battery drops after reboot.
I'm really desperate, and I really don't know what to do now. Does someone have got these really frustrating problems, and do you guys have got some solutions?
And one more question: is my warranty/issurance voided after installing the Lite'ning 6.1 ROM? or can it by tresspassed by using a Jig?
Tnx for your time, and I really really hope you guys can help me cause i'm really getting sick of all this. It's killing me!!!
ps. sorry for my bad english
your warranty is voided by installing custom rom but u can unroot and use the jig to remove counts in counter.
now apart from that it seems if u use your phone for 5-6 hours continuous it will drain the battery because main source of battery drain is the screen display but for moderate use it should be a little over a day.
i am unclear about your usage but still if you have doubts you should really get it checked at a service center.
I would flash back to stock, use the jig to clear the flash counter and exchange that phone, seems it has some type of hardware issue that could be related to temperature as it only shuts down when you use it.
My 0.02 cents
vickarul said:
your warranty is voided by installing custom rom but u can unroot and use the jig to remove counts in counter.
now apart from that it seems if u use your phone for 5-6 hours continuous it will drain the battery because main source of battery drain is the screen display but for moderate use it should be a little over a day.
i am unclear about your usage but still if you have doubts you should really get it checked at a service center.
Click to expand...
Click to collapse
My usage is definetly not THAT extreme, i guess moderate: I never watch movies or youtube, just some messages with WhatsApp, about 4 of 5 times a day checking Facebook, same for Twitter, always GPS off, some time of the day Wi-fi on, never play games, always closing apps on background.
i've got an example of my battery usage (this is one of the best battery usage days i got!!!):
imageshack.us/photo/my-images/809/sc20110622204452.jpg/
(Can't post direct link because i dont have 8 posts yet...)
Battery life the beginning .
better battery stats .
http://forum.xda-developers.com/showthread.php?t=1179809
check Wakelocks .
jje
Today step 2) happened to me
I got my galaxy s2 (international version) about 4 months ago. Recently I've noticed some weird battery drain mostly when I restart my phone, but it happens other times just out of the blue.
It might be a software bug not showing the proper battery level, but I've attached pictures that show normal battery drain even after that jump down. Obviously, if it was a a software fault the battery percentage should remain level or go up slightly. (Yes the battery level does go up a bit, but I lose significantly more battery than I gain.)
This has happened in many instances and I've only got a screenshot of two. Sometimes I get big discharge and at other times its small. It's pretty annoying when you think you've got enough battery and go out, only to find the phones dropped 20-30% out of nowhere.
My phone is unlocked and not branded (bought from carphone warehouse UK- CPW). It's running stock XXKI4 firmware (2.3.4) and I'm not rooted.
So my question is, has anyone else seen this happen or have I got a faulty battery? Is there a fix?
Hi there,
Battery drain is one one the main argouments you can find in this forums. ATM I'm in your same condition: after latets ROM ugrade (I've got latest CheckROM release), my phone "sucks" al lot more battery than before.
A lot of things could affect this: themes, skin, kernel, application bug, bad battery checking and so on. There isn't a valid answer... I think you must indagate on yourself, comparing what you find with forum's infos!!
Good luck!!
J.
ThatNerdGuy said:
I got my galaxy s2 (international version) about 4 months ago. Recently I've noticed some weird battery drain mostly when I restart my phone, but it happens other times just out of the blue.
It might be a software bug not showing the proper battery level, but I've attached pictures that show normal battery drain even after that jump down. Obviously, if it was a a software fault the battery percentage should remain level or go up slightly. (Yes the battery level does go up a bit, but I lose significantly more battery than I gain.)
This has happened in many instances and I've only got a screenshot of two. Sometimes I get big discharge and at other times its small. It's pretty annoying when you think you've got enough battery and go out, only to find the phones dropped 20-30% out of nowhere.
My phone is unlocked and not branded (bought from carphone warehouse UK- CPW). It's running stock XXKI4 firmware (2.3.4) and I'm not rooted.
So my question is, has anyone else seen this happen or have I got a faulty battery? Is there a fix?
Click to expand...
Click to collapse
There are several threads about battery drain.
For example here => http://forum.xda-developers.com/showthread.php?p=16973603
Maybe you find a useful tip.
You have always test it on your phone under your conditions.
You can try to flash special (Custom) ROMs and kernels, which are optimized for better battery life, but as there are so many different influences on battery life, it is nearly impossible to find a general "fix" for all users and phones.
Good luck!
well at least yours lasts 15 hours, mine lasts at most 10 hours on heavy usage.
P.S. I am using 2.3.5
As to Anwser to those "drops" or "gaps" in the graph, just recently i noticed that my phone was working normally, i was monitoring its battery drain (i have a thread going on about it), and after some time of no using, after class, i noticed that my phone asks for my SIM PIN again, and is in Safe Mode (i dont really know what that it). When i checked the battery monitoring graph (battery info) i notice the absolutr same fall (from 70% to 40%), but i remember that i saw and used my phone at 60-50% too ! So i can only assume that the phone crashes, eighter reboots for some reason, and the data isnt saved (for example it saves the data every 2 hours or so), so there appears the "gap".
Thats simply my opinion, but i do remember using the phone at the % between the two extremes (IN the gap), so i guess the data wasnt saved.
EDIT: Ha! I'll add some pis now to show you guys this: so in my current history i have two gaps, one big, and one smaller before. So, the first time, i turned off the phone and PULLED OUT THE BATTERY aswell cause i wanted to check my batteries mAh (its 1650 but thats offtopic). Thats how the small gap appeared ! As for the big one, my phone seemed to crash and reboot while i didnt notice, because in an hour or so of no using i woke it up and it asked for the SIM PIN.
So there, i think the phone eighter crashes or doesnt manages to save the battery data, and those gaps ("falls") appear.
[ GT-I9100 ] XDA APP SO TASTY WITH MY SLOW INTERNET OMNOMNOM
If i helped you in sure its easy to press that lil' pretty "Thanks" button
I've got a bit of a problem with my Xperia Ray and despite hours of googling I still can't find a solution so I thought I'd see if you guys could help
Had it for about 6 months now and it worked great up until a couple of weeks ago when suddenly the battery life got way shorter, like I used to be able to get close to 3 days if I didn't do anything but sending messages and using some basic apps and even with pretty heavy use it still lasted well over a day.
Recently though it lasts under 20 hours with absolutely no usage, when I leave the phone overnight it loses about 40% charge when previously the use was under 10 for the same time period and even if its turned off it loses charge at a similar rate.
The other problem that started around the same time was that whenever the phone turns off from lack of charge or I take out the battery the date resets to 6 January 1980 and the phone seems unable to automatically correct it. Previously my phone was able to retain the date even after the battery had run down completly.
The only thing I can think of that changed before the problems started was that I used a solar powered usb charger for a few days because I was tramping but I have no idea what that could have gone wrong or how I could fix it.
I've tried a full factory reset, upgraded the android software to 4.0.4 and used various battery apps to try to find anything that might be using all my battery with no success.
Its driving me crazy so any help would be great.
Also here's a picture of a recent day of usage (not enough posts to embed it properly sorry), except for a short run I didn't use the phone for anything
i.imgur.com/jZpybCN.png
AW: [Q] Ray battery recently shortened and it has also started time travelling
have you tried to use an other battery? maybe someone of your friends has a ray and can give you his battery for a few hours to test..
Logical_Leopard said:
I've got a bit of a problem with my Xperia Ray and despite hours of googling I still can't find a solution so I thought I'd see if you guys could help
Had it for about 6 months now and it worked great up until a couple of weeks ago when suddenly the battery life got way shorter, like I used to be able to get close to 3 days if I didn't do anything but sending messages and using some basic apps and even with pretty heavy use it still lasted well over a day.
Recently though it lasts under 20 hours with absolutely no usage, when I leave the phone overnight it loses about 40% charge when previously the use was under 10 for the same time period and even if its turned off it loses charge at a similar rate.
The other problem that started around the same time was that whenever the phone turns off from lack of charge or I take out the battery the date resets to 6 January 1980 and the phone seems unable to automatically correct it. Previously my phone was able to retain the date even after the battery had run down completly.
The only thing I can think of that changed before the problems started was that I used a solar powered usb charger for a few days because I was tramping but I have no idea what that could have gone wrong or how I could fix it.
I've tried a full factory reset, upgraded the android software to 4.0.4 and used various battery apps to try to find anything that might be using all my battery with no success.
Its driving me crazy so any help would be great.
Also here's a picture of a recent day of usage (not enough posts to embed it properly sorry), except for a short run I didn't use the phone for anything
i.imgur.com/jZpybCN.png
Click to expand...
Click to collapse
Could be a lot of things. If the solar powered charger made your phone really hot while charging then the battery might be permanently damaged and you should try a different battery. It could also be that your power meter has gone wonky and this can be reset by charging the phone to 100% and then removing the battery and the usb cable from the phone for 10 minutes. Return the battery to the phone and charge it back up to 100%. Usually, when I experience something like this, it is some app that is draining the battery. Since you have just been trekking, maybe it is google maps. If it is tracking/updating you location, it will drain your battery really fast. You should be able to see this, just by going to system settings->battery. Stand by or Display are usually the big battery hogs.
AW: [Q] Ray battery recently shortened and it has also started time travelling
Logical_Leopard said:
...even if its turned off it loses charge at a similar rate
Click to expand...
Click to collapse
you should really try another battery
justmpm you're always there to help i see
Thanks for the replys everyone!
I don't know anyone with a ray battery but I can buy a new one relatively cheap so I'll do that and see how it goes
I'll post results in a few days
Well I got a new battery yesterday as suggested and tried it out from full charge but unfortunately there was no change in the battery life, it still ran all the way down in less than 20 hours with minimal use
Begining to wonder if its a hardware fault within the phone itself
Hello all, it's been a while since I've posted but this is quite a serious issue and could some guidance. A few weeks ago, I finally updated my Galaxy S9+ to Android 10 after being on 8.0 for so long and it's been a decent update so far. I had gripes with SoT not being the greatest but it was tolerable. Last night, I received an update for my phone and I installed it. Didn't think too much of it and continued on. I charged from my phone to ~87% today, used it lightly while working. By the end of my shift, I had 50% left.
I left the house to go for a 81 minute walk with 47%. I usually don't worry about having enough juice to make it back home but I experienced the worst battery drain I've had with this device so far. During my 90 min walk I:
listened to Spotify using my Galaxy Buds (one ended up dying towards the end because I forgot to charge them)
Checked Instagram occasionally and responded to some texts
Took 2 pics in Snapchat
Had a short video call on Messenger
It was right after the video call I noticed my battery was at 17%, which I thought was very strange. I don't leave apps running in the background for long and I have a habit of closing them out when not actively using them and I noticed the battery kept on draining despite there being no apps open besides Spotify.
Turned on the medium power saving and within a few minutes, I was at 5%. Decided to kill everything and pit my device on max power saving mode for the first time since I've owned the device. By the time I was home, my phone was at 1%.
I'm really baffled at how the battery drained at an exponential rate. I'm a medium user and I've had this phone since late 2018. Never leave location services on, never used AOD, and used the FHD display instead of QHD along with dark mode.
I'm hoping today was just an outlier as I want to keep this phone for another 2 years, but if this happens on a consistent basis I'm gonna have to start searching for a new device.
In the meantime, I have charged my phone to a 100% and disconnected the phone and observed the following:
Within 2 minutes of disconnecting, battery went from 100 - 98%. Not a good sign considering it was just idling
The battery continue to drain every other minute and I could see the battery go down on each unlock
Wiped the cache partition and I went from 93 to 94% for a brief moment prior to the phone going back to the same pattern
This is very worrisome to me as I don't believe the phone will last until midnight, I'm wondering if it's possible to roll back to the previous update.
TL;DR - After the update yesterday, the battery drained at an exponential rate despite light to medium usage
Also, here's some screenshots of my battery usage
http://imgur.com/a/lx5xXSY
I know this isn't the answer you are looking for, but all I can do is suggest changing the battery and doing a full, stock firmware flash via Odin to completely wipe your phone.
I recently replaced my phone's battery and did flash the firmware and my battery is really hanging in there. My battery was also 2 years old and before, I would get about 3h SOT when I play a game (and I do a lot). Now, I'm getting 5h SOT no problem with about 2-3h gaming included, so I really do suggest a battery change. I'm thinking you could be able to squeeze another 1 or 2 years into this amazing phone.
Battery replacement
ShaDisNX255 said:
I know this isn't the answer you are looking for, but all I can do is suggest changing the battery and doing a full, stock firmware flash via Odin to completely wipe your phone.
I recently replaced my phone's battery and did flash the firmware and my battery is really hanging in there. My battery was also 2 years old and before, I would get about 3h SOT when I play a game (and I do a lot). Now, I'm getting 5h SOT no problem with about 2-3h gaming included, so I really do suggest a battery change. I'm thinking you could be able to squeeze another 1 or 2 years into this amazing phone.
Click to expand...
Click to collapse
How hard was it to remove the battery? I bought one but unfortunately also a toolkit which seems to be only for iphone, what screw size has the s9+?
aaronanyaralu said:
How hard was it to remove the battery? I bought one but unfortunately also a toolkit which seems to be only for iphone, what screw size has the s9+?
Click to expand...
Click to collapse
Sorry, I had someone paid to do it lol I didn't trust myself.