Database Develop

Battery on my XDA IIi drains very fast

Hello!
I took time to search on this forum (and elsewhere as well), up to 2005 (yes, I did it!), but no part of answer still.
Here is my problem: I have this XDA IIi for a long time, and I flashed it a couple of weeks ago (WM2003SE, french rom 1.11.02 FRE from QTek, Radio 1.04, ExtROM 1.11.116 FRE), and everything worked correctly for a while. I installed TomTom v6.03, then Igo 2008 (much better), SPB Time and SPB PocketPlus.
Since about a week, my battery (quite old, it's true. 1300 mAh) is draining very fast. Less than a day, with no phone call, no screen, nothing... I charged it for all night, 5 hours later I find it empty!
I also have to say that I can't use my phone with less than 20% of battery, or it stops, but since the beginning (it's a second hand phone). No way to drain the battery to 0%...
Moreover, I sometimes noticed the indication on the screen that it is busy (sorry, I don't know the word in english!) since last week. It comes on the screen for a second or two, then disappear for a second or two, and so on. I also noticed a change in memory occupation, for about 0,2 ko (thanks to SPB Pocket plus today plugin). But nothing is running in Parameters/Memory. Totally empty.
I say "sometimes", because when it appears, I know my battery is draining fast, so I do a soft reset, and it doesn't reappear everytime. Sometime it helps, sometimes not: it cames back
It is for me a professional tool, as well as my only cellphone, so I desesperatly need it functional!
Can anybody help me? Please....

Hi again...
Fully charged.
Less than 2 hours later, 17% lost...
No wifi, no bluetooth, no program launched, no phone call, no screen turned on, nothing, nothing, nothing...
Anybody?

basically u need a new battery, they can go any time, try and get original, the higher powered ones can be unreliable

Coucou!
I hoped it can be solved in another way... Are you really sure? One day it works well (or quite well, at least), and the next day, it's done?
By the way, is it worth in investing in a new battery with such a PDA, or should I change it for a newer one???
Anybody can help me making my choice?

I bought a new Heavy duty battery (3600ah) and it works fine but a lot of the current drain could be due to settings i.e. do you have the cpu on standard or Turbo mode obviously the turbo is a heavier drain, turn down the time the screen stays on etc etc although I am fortunate in that its usually sat in either a cradle indoor's or in the Car unless I am walking about which is rare as I am disabled longest it went without charging was about 15 hours recently when I stayed with friends in Wales it dropped to about 57% but I have since bought a mains charger for such situations

Coucou!
In facts, nothing absolutly changed during this time. Since a long time, it's been quite usual... 2-3 days before battery drains completely, with phone calls and so on...
But, due to troubles with application, 2 weeks ago, I flashed it again (ROM specified in my signature), and reinstalled all my applications...
Some days after (I didn't noticed first), my battery started draining very fast. So, one day it's OK, the next day, everything goes wrong.
Nowadays, it losses about 8 to 10% per hour. No phone call. Screen turned off most of the time, minimum light mode. No wifi. No bluetooth. And as my PDA completly stops when battery reaches 20% or so... No way to drain it completly. So it lasts 8 to 10 hours max. A night... When fully charge before going to sleep, at dawn it's over. Off and refuses to turn on: less than 20% battery.
And yes, it's "CPU turbo mode ON", but since the beginning........
Should I change my PDA?????

Should you change your PDA?
well it depends:
1. if you have a budget. in case you do, sell you're stuff and get a newer one. There are lots of new PDAs around that is worth the money with a newer model that run wm6.
2. If you don't have the budget or just don't feel like having a new PDA. I guess you just need s new battery. stick to the original. mM best bet is you'll get the same standby time when you already replaced it with a new one. I had an experience that my battery reports I'm low then after a whole night it went up to 77% which is weird because I did not charged it. I'm too lazy to get up so I had it under my pillow. I had it checked and the issue was the battery.
3. If you feel that the battery isn't the issue. Try flashing it back to the original. or try flashing it with another build. then observe if it still drains as fast as before.

IMHO the XDA IIi is still one of the fastest PDA's around, be a long time before I change mine out (barring accidents)

The XDA2 still holds its head high with the latest models on performance, in fact many of the latest ones appear sluggish to use in comparison I think due to the persistent memory. I bought a 3600 Ma battery from ebay and even with a reasonable number of phone calls (2 hours a day) and a lot of daily use as a PDA it does 2-3 days between charges if I don't plug it in. However sometimes the power monitoring looses it and needs correcting by taking the battery out as if you were swapping batteries putting it back and then doing a soft reset and when booted up put on charge for 12 hours. It may be your Rom (mine is the standard last O2 one but patched with the radio 1.4) but likely cause is the battery. Basically batteries start to degenerate after 1000 charges, sometimes a bit earlier. If you do get one of these batteries give it a good long charge before you start to use it to "condition it"

Coucou! I read attentively what all of you have written, but I was away due to sick [censored] sickness...
To MrLeche:
No, I don't have much money to change my PDA, as my main complaint about it is its really poor camera. Otherwise, it is as fast as I need, including for Igo2008... And I don't really need WM6, objectively!
And may be your pillow is an excellent free/green phone charger!!! :lol:
I'll try to flash it and test...
To Robsno:
After I will have tested with another ROM and see if the battery still drains quickly, I'll certainly buy another battery, but not a 3.600, as I need my PDA to stay flat to plug in my car craddle!!!
And why does it allways stop as there's 20% battery left ??????

Fair enough I had to modify my take and talk car cradle to take the 3600ma one so I know what you mean, there is a standard sized 1700ma battery available from a seller in the states, i used that before the 3600ma and they do give that bit extra as a second option. Best of luck

Hi!
Thanks for your answer, Robsno... I'll take a look at it quite soon, I think
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Fully charged at 17h, Only 15% for now and it stopped...
As usual...
WHY CAN'T IT DRAIN ITS BATTERY TO THE REAL END ?
(Sorry, but I'm really fed up with it, and I won't have time to flash it til sunday... )

I have a 3600 on mine I also have a Brodrik mount the XDA still slide's in and "Just" fits the leather case, you have to remember your not running a phone your running a PDA / COMPUTER so if the screen is on it will run down the battery quick if you only have one of the small batterys your talking minutes, it also has to shut down to maintain a small ammount to revive the computer i.e. the 15% the main way to save power is keep the screen off except when connected to external power of course and dont play silly games / multimedia files, I presume your mount does have a external power pick up?

Coucou !
When I say "it stops", it stops completly ! No way to turn it on until... long minutes... And even then, it stops again after just few seconds.
And there's still about 20% shown!!!!
Someone can explain this to my low-battery brain?!!

I had the same problem with my Qtek 2020i. This is not a battery issue. My PPC also used to drain out its battery in one night (no calls, no programs running, screen switched off, sleeping near its user's bed). I had many programs installed on it and I did not want to lose them, so I tried many ways to make the device work.
I will not describe all my worthless attempts. At last I made a hard reset and reinstalled my programs. Since this time my PPC works as it should be. The problem happened 1,5 years ago. Since this time I did not change my battery. This battery was bought together with the device and keeps working for about 3 years. It may sound a miracle, but it is real.
My advice in this situation is hard reset and reinstallation of all programs. One may try to make backups after installing any program to find the one that causes this bug. As for me, I don't know the reason and don't care. The thing that the problem is solved and does not reappear is enough for me.

i have Qtek 2020i and i have the same problem.
i have 2 batterys (original + brand new one) - same probmems.
in sd/mmc slot card i have SD card Sandisk ultraII 2 GB (class4).
if i remove de card from slot my battery drain in "normal" mode:
08:00 full charged
22:30 50% (with total calls 08:21)
so
in these case i use my 2GB card only in my car for igo8

I also had this problem, and after some testing I tried a Hard Reset, which fixed the problem for me too, yes I had to reinstall a load of stuff, but since then I have had no problems with battery life, it's still the original battery.
I now own a Kaiser, a Touch Diamond and a Touch HD ( work in progress, repair), and still my XDAIIi is faster and in some ways better than those, ( I cannot use any of the others as an Oscilloscope/Frequency analyser ).

[Q] Note Battery drain? Rate Your battery Life!O_o?

Hello,
im thinking on buying the Note =]
i wanted to ask "heavy","excessive" users how is the phone battery drain ?>
*how long your phone lasts without charge (excessive,heavy use)?
*how long your phone lasts without charge (normal use)?

Im only use any of my smartphones with excessive,heavy use.
I have only 2 full battery circles and im using stock root rom/kernel.
All my phones was with very good custom kernels and lower voltages cause i wanted to stay alive during the day (8-23:00).
Now,my battery keep up the day but more easy than my previous phones (you can see which in my sign).
So, even my battery is new with few full circles, even im not using custom kernel for uc or uv, its better than my previous smartphones.

For a 5.3" display the battery life is exceeding expectations.. Based on my usage it has more battery life than the Galaxy S2 altho movie time is still the same at 8:30hrs to 9:00

I think it's very hard to define excessive vs normal use. Also the usage patterns of different people varies greatly. mostly because some use wifi on 100% of the time, others just turn it on here and there to check emails. Same for background sync and autosync which are battery drainers . So it's really hard to compare...
I keep my Wifi constantly on, background sync on, autosync is off but I have a task in Tasker to autosync every three hours manually. I have some push emails in K9 and twitter, gtalk and tapatalk syncing.
So on a day of super heavy usage the phone will last about 16-17 hours (ofcourse that includes about 7 hours of sleep time). With normal to moderate use I can make about 24-27 hours.

Hi people! I'm noob here! (wanted to write new but couldn't resist!)
I recently bought the Note and been having a few hard times with a couple of things.
One of the specifics concern battery life. Having been showered in the awesomeness of a 2,5 ma battery i thought the battery would be invulnerable but i was wrong.
The first 4 days the battery lasted me quite fine having to charge the phone once every two days. Heavy consumption was done for brief periods of 1-1:30 hours where i would try to shape my phone in the image that i wanted.
By the end of the fourth day i had a respectable amount of apps inside but not too many to explain the fact that my battery life now has decreased to 1 day.
I kinda panicked when i noticed the difference and went ahead to install Juice defender and advanced task cleaner apps. What's weird is the fact that before i did i would charge the phone before going to bed at night and then pull the plug when it would be full. By the morning the phone had lost about 25% while inert!
Noticing that i would go to the battery use feature in settings and see that the radio(!) which i hadn't been using was eating away my battery's life along with the screen which was inactive as a consequence of the phone in locked mode and a few other apps which filled the rest of the loss.
I tried to kill apps and i use Juice defender pro in custom advanced mode effectively rendering the phone dead after locking. It still consumes the same percentage of battery although now it blames the radio less and the live wallpaper more.
Am i to assume that my battery has reached it's "puberty" and that's "normal" from now on or is there a problem i just can't diagnose due to lack of experience?
This phone is my first android device. I do not know my way around it although i am learning more and more in a rapid learning curve.
Please note anything you might think has escaped my attention.
Thank you.

Android 4.9 Marshmallow said:
Hi people! I'm noob here! (wanted to write new but couldn't resist!)
I recently bought the Note and been having a few hard times with a couple of things.
One of the specifics concern battery life. Having been showered in the awesomeness of a 2,5 ma battery i thought the battery would be invulnerable but i was wrong.
The first 4 days the battery lasted me quite fine having to charge the phone once every two days. Heavy consumption was done for brief periods of 1-1:30 hours where i would try to shape my phone in the image that i wanted.
By the end of the fourth day i had a respectable amount of apps inside but not too many to explain the fact that my battery life now has decreased to 1 day.
I kinda panicked when i noticed the difference and went ahead to install Juice defender and advanced task cleaner apps. What's weird is the fact that before i did i would charge the phone before going to bed at night and then pull the plug when it would be full. By the morning the phone had lost about 25% while inert!
Noticing that i would go to the battery use feature in settings and see that the radio(!) which i hadn't been using was eating away my battery's life along with the screen which was inactive as a consequence of the phone in locked mode and a few other apps which filled the rest of the loss.
I tried to kill apps and i use Juice defender pro in custom advanced mode effectively rendering the phone dead after locking. It still consumes the same percentage of battery although now it blames the radio less and the live wallpaper more.
Am i to assume that my battery has reached it's "puberty" and that's "normal" from now on or is there a problem i just can't diagnose due to lack of experience?
This phone is my first android device. I do not know my way around it although i am learning more and more in a rapid learning curve.
Please note anything you might think has escaped my attention.
Thank you.
Click to expand...
Click to collapse
Your question is a little OT but i'll try to answer real quick.
25% loss of battery sounds about right if you have your Auto Sync ON.
Disable it and you'll go down to about 10% a night. Am i right or am i totally off here ?

mfractal said:
Your question is a little OT but i'll try to answer real quick.
25% loss of battery sounds about right if you have your Auto Sync ON.
Disable it and you'll go down to about 10% a night. Am i right or am i totally off here ?
Click to expand...
Click to collapse
I'll try it and see tonight. Thanks mfractal. Having been an IPhone 3G owner i gotta say, it's still kinda disheartening to see that 10% battery loss overnight is considered "normal". Will work my way around purchasing a second backup battery for emergencies.
Thanks again.

Android 4.9 Marshmallow said:
I'll try it and see tonight. Thanks mfractal. Having been an IPhone 3G owner i gotta say, it's still kinda disheartening to see that 10% battery loss overnight is considered "normal". Will work my way around purchasing a second backup battery for emergencies.
Thanks again.
Click to expand...
Click to collapse
i also come from an iphone, and yeah, you have to make some adjustments.
you can take that drain to 1-2% if you disable Background Sync.

this was my batteries first full cycle. but you should get a general idea of how it performed.
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running AntoniomistrettA ( http://forum.xda-developers.com/showthread.php?t=1372619 )
this was what i would consider 'heavy' use, atleast by my standards. Edge only, Auto sync on, brightness at 75%, fairly frequent use.

Draining twice as fast after an update on apps this morning!
Hmmm, I have been using the Note for about 2 weeks now. With Juice Defender installed (with aggressive settings), I get by OK with the battery for a full day.
Well, that was until this morning when I ran an update of a few apps, and now I barely got to noon when the battery went completely drained. Same settings on Juice Defender.
Any clues on how to deal with this? I am thinking of reverting all the updates to double check.

guys, the steps to analyze battery drain are quite standard.
Download BetterBatteryStats (there's full version for free for XDA users, search the forum)
Download CPU Spy
Charge to 100%, reset statistics in CPU Spy and let the battery drain to 10-20%.
Then Analyze wakelocks in BetterBatteryStats and you will see which programs keep your phone awake.
If you want to make sure the phone is entering sleep mode and staying there, reset cpu spy stats before going to sleep and check in the morning. more than 90% of the time the phone should be in deep sleep. If not - again, betterbatterystats's wakelocks will show you what's keeping the phone awake.

mfractal said:
i also come from an iphone, and yeah, you have to make some adjustments.
you can take that drain to 1-2% if you disable Background Sync.
Click to expand...
Click to collapse
That's EXACTLY what happened! I am stunned! I left the phone last night at 97% and found it this morning at 95%!!! When i saw it i was dumbfounded!
Thank you very much mfractal!

Android 4.9 Marshmallow said:
That's EXACTLY what happened! I am stunned! I left the phone last night at 97% and found it this morning at 95%!!! When i saw it i was dumbfounded!
Thank you very much mfractal!
Click to expand...
Click to collapse
sure NP.
problem is that background sync is required by quite a lot of programs to function correctly. Hell, market won't even open with it disabled.

My battery life is pretty good atm considering its still a new toy and gets a heavy workout.
The battery life will improve over time as my usage will drop but with the screen it pretty much can replace my pc for any basic web stuff outside off the heavy duty work only a high spec PC is good for.

Disabling background sync defeats the purpose of having a smart phone, no?
mfractal said:
sure NP.
problem is that background sync is required by quite a lot of programs to function correctly. Hell, market won't even open with it disabled.
Click to expand...
Click to collapse
I do like my phone and the screen real estate, and understand that, it can be major battery hog. But I would really like it to be super efficient when the screen is off.
I was looking at my battery drain graphs, (Settings>About Phone>battery usage) and noticed that my phone is active almost all through the night, (even when the screen is off).
So i loose 25-30 overnight, on IDLE.
Is this normal?
I'm using Exchange instead of the Gmail app for my mail. Does that use more battery?
Regards

gaddy888 said:
I do like my phone and the screen real estate, and understand that, it can be major battery hog. But I would really like it to be super efficient when the screen is off.
I was looking at my battery drain graphs, (Settings>About Phone>battery usage) and noticed that my phone is active almost all through the night, (even when the screen is off).
So i loose 25-30 overnight, on IDLE.
Is this normal?
I'm using Exchange instead of the Gmail app for my mail. Does that use more battery?
Regards
Click to expand...
Click to collapse
Of course gmail use more battery like every app running in background and syncing.
But your battery drain overnight is really so much.
The normal is 1% per hour without any app syncing in background and about 2% or 3% with background syncing apps.So you must check your apps.Something draining your battery.
Overall,i don't believe that note battery isn't good.i think Samsung haven't done so good work in filmwares and apps.
I have removed the most of Samsung apps and my battery is great.
Maybe a update from Samsung solved battery issue.In nexus previous days released a filmware update which change amazing the battery life.users mention that they loose 2% overnight.And before this update nexus battery sucks!
So, we must pray for something similar in our note from Samsung...
Sent from the best smartphone, Galaxy Note...

Do you have auto sync on? If so please turn it off and watch the drain overnight drop to about 10%
If not then we got a problem

I got my Note two weeks ago and am since struggling with my battery usage as well.
It's hard to reproduce, but Android OS is the reason for excessive battery usage when the phone is idle.
Today I found this quite interesting. Please have a look at this screenshot:
Since a few days ago I'm using Llama to control some settings on my phone, but the drainage was present before I installed Llama.
When you look at the first gap in WiFi usage you can see the phone disconnecting from my WiFi router at home (TP-Link TL-WR1043ND) when Llama disabled my WiFi.
About 20 minutes later, when I arrived at the office, Llama reactivates WiFi and my phone connects to our WiFi access point at the office (TP-Link TL-WA801ND).
At this point Android OS usage goes up considerably and it won't stop, even if I disable the phone's WiFi.
Actually at the second, larger gap in WiFi usage I disabled the WiFi connection manually which caused my phone to stay awake until I activate WiFi again.
Edit: Using Titanium Backup I have frozen Wifi-Sharing and the Wifi Manager.
Apart from that, Wifi usage was never an issue on my old Milestone, where I had Wifi enabled permanently and the battery lasted for 4-5 days.
I'd be glad to provide more information if that could help figure out the cause of AOS's battery usage.
My phone is currently running:
PDA: N7000XXKK9
PHONE: N7000XXKK5
CSC: N7000OXAKK9
I installed FM-Kernel 1.4, hoping it would fix this issue. It did for a day or so...
Apart from the kernel it's the newest 2.3.6 stock ROM I received via FOTA though.

I easily get a good day out of mine with quite a bit of use. If use mine lightly I can get 2 days out of mine. If you are in need of urgent 3G switch 3G off to GSM to conserve battery life.

desiregeek said:
I easily get a good day out of mine with quite a bit of use. If use mine lightly I can get 2 days out of mine. If you are in need of urgent 3G switch 3G off to GSM to conserve battery life.
Click to expand...
Click to collapse
Sorry, I forgot to include it in my post.
Since I got the phone I have it set to 2G only, because I used up my monthly quota and am getting throttled to GPRS speeds anyway. So the 3G connection isn't the issue either.
Apart from that this happens in flight mode as well.

The Sony Xperia SP, A heartbreaker Smartphone

Hi, I bought this phone a month ago, I bought that actually looked like a very good phone, analyze their characteristics, not only its design, and discard the possibility of buying the Samsung S3 Mini, I think it was a mistake :crying:
This Xperia SP is really a headache, the first thing I knew I was bad at was his poor WiFi, later learned of the problem of the screen, which to place the phone on a flat surface the touch becomes useless (I is how to fix it), and now the battery, then I have seen pictures that the battery will last up to 2 days, I was never happened in 14 hours, or when you use it the first time, now active or inactive so I Sstamina gives up to 7 hours, which sucks .
Originally came with compiling 12.0.A.1.257 and decided to upgrade to the 12.0.A.2.245 to see if suddenly improved, big mistake, the 2245 presents many problems in the stability of the OS, the screen flashes when using certain applications , Stamina mode is "Arrangement" a bit, as the cell I last up to 12 hours, but it's all over.
In conclusion I am determined to get rid of this phone, and all who ask for me, I gonna Scream, NEVER BUY THAT MTF CELL, which by the way is a bit expensive for the problems to come.
Sorry, my english is not very good :silly:
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how many apps are you running?
That standby time seems ridiculous...
Heres mine and I have 41% battery.
I've heard about problems with wifi and touch but never had either of them, try and exchange your phone if its getting that bad.

esloded said:
Hi, I bought this phone a month ago, I bought that actually looked like a very good phone, analyze their characteristics, not only its design, and discard the possibility of buying the Samsung S3 Mini, I think it was a mistake :crying:
This Xperia SP is really a headache, the first thing I knew I was bad at was his poor WiFi, later learned of the problem of the screen, which to place the phone on a flat surface the touch becomes useless (I is how to fix it), and now the battery, then I have seen pictures that the battery will last up to 2 days, I was never happened in 14 hours, or when you use it the first time, now active or inactive so I Sstamina gives up to 7 hours, which sucks .
Originally came with compiling 12.0.A.1.257 and decided to upgrade to the 12.0.A.2.245 to see if suddenly improved, big mistake, the 2245 presents many problems in the stability of the OS, the screen flashes when using certain applications , Stamina mode is "Arrangement" a bit, as the cell I last up to 12 hours, but it's all over.
In conclusion I am determined to get rid of this phone, and all who ask for me, I gonna Scream, NEVER BUY THAT MTF CELL, which by the way is a bit expensive for the problems to come.
Sorry, my english is not very good :silly:
Click to expand...
Click to collapse
To be honest with you- the WiFi does suck on the sp, even though there are many fixes none of which will work 100% . Ive come across alot of problems with my sp also, keyboard wont pop up, walkman crashes when using certain apps. But on the plus note there is deffo an upside to the sp compared to most other mid range smart phones out there.
I have smashed my screen on my sp and have no warrenty- so im switching over to a s3 mini, simply because a new white digitiser for my phone would cost me £135.
Play around with your phone first see if you can make any good of it before you sell up
Xperia SP Trinityy V
Desire HD -LorD ClockaN ICe CreamSandwhicH
iPhone 4S But thats irrelivent Here

Americans ("People who live in the USA") use the term "Lemon". A lemon is a car, often new, that is found to be defective only after it has been bought. Maybe you bought a Lemon. My SP gets good battery life, about 7 hours of heavy use. Join us at a Spanish forum at http://www.htcmania.com/forumdisplay.php?f=1082
Check this out:

yo-meister said:
how many apps are you running?
That standby time seems ridiculous...
Heres mine and I have 41% battery.
I've heard about problems with wifi and touch but never had either of them, try and exchange your phone if its getting that bad.
Click to expand...
Click to collapse
My battery has never lasted so long, here I leave the applications that I'm running and my phone settings only asset I have WiFi, my cell phone battery only lasts if I have off jj :crying:
If I can help greatly appreciate it, because the phone I like, but do not want to have to charge it every 7 hours.
Question: If i reset my phone, can it fix?

i think may be uninstall antivirus app.
if it is not work
please backup your file and factory reset

esloded said:
My battery has never lasted so long, here I leave the applications that I'm running and my phone settings only asset I have WiFi, my cell phone battery only lasts if I have off jj :crying:
If I can help greatly appreciate it, because the phone I like, but do not want to have to charge it every 7 hours.
Question: If i reset my phone, can it fix?
Click to expand...
Click to collapse
Whats your screen on time? Also ho do you use your phone? Heavy gaming or light texting only?
Things will always matter when you want to compare battery life. So give us more details. Install Wakelock detector or BetterBatteryStats to know what is eating up the battery on your phone and then work on eliminating the factor. Cheers man!

sarkar1990 said:
Whats your screen on time? Also ho do you use your phone? Heavy gaming or light texting only?
Things will always matter when you want to compare battery life. So give us more details. Install Wakelock detector or BetterBatteryStats to know what is eating up the battery on your phone and then work on eliminating the factor. Cheers man!
Click to expand...
Click to collapse
I do not play much, texting, only play when I'm charging the phone, cut the rope and Diamon Dash.
In the images shows that the battery is low 2% in 29 minutes
Ok, i do it, the result from battery stats plus.
After it, I think do a factory reset, to see how it behaves.

esloded said:
I do not play much, texting, only play when I'm charging the phone, cut the rope and Diamon Dash.
In the images shows that the battery is low 2% in 29 minutes
Ok, i do it, the result from battery stats plus.
After it, I think do a factory reset, to see how it behaves.
Click to expand...
Click to collapse
I think you should. Your Android OS is using too much battery. Hit on it and check which process is using the maximum battery.

Once you've charged your battery to 100%, go to Apps, All, and look for eco mode controller. Click on force stop and after 5 seconds or so, clear data. Then reboot your phone and use it normally. Check out my best battery life so far (attached images)
Sent from my C5303 using xda app-developers app

Battery life not quite as good as I hoped
The battery life on my xperia SP is not bad but it is no better than my previous xperia neo which had only a 1500mah battery versus 2370mah.
Many reviewers have commented that they can get through 2 days.
I can only make 1 and a bit. The key problem appears to be the screen. I can use the screen for about 4 hours/day before I'm out of juice, some reviewers claim 7 hours. Thats a big difference. Using it outside of the time is always going to be worse but screen on time is a bit disappointing for me. Stamina with screen off seems reasonable but again not outstanding. I lost 13% between the morning and lunchtime without doing anything but 15 minute syncing, I use a battery saver, not stamina mode as I don't want to shut down all my apps and have no data at all when screen is off.
Phone is only 2 weeks old, can I recalibrate the battery? Seems to stay on 1% for a while too. On the contrary, my wifi reception is really good. Better than any other phone I've had.

paulmt123 said:
The battery life on my xperia SP is not bad but it is no better than my previous xperia neo
Click to expand...
Click to collapse
I had a Pro, the QWERTY variant of the Neo. The SP has the same battery life for me, which is about 7 to 10 hours
paulmt123 said:
I use a battery saver, not stamina mode as I don't want to shut down all my apps and have no data at all when screen is off.
Click to expand...
Click to collapse
Go to Settings>Power management>STAMINA mode and add apps you want to stay connected, like Facebook, Google accounts, MyXperia...whatever app you want to keep connected to the internet
paulmt123 said:
Phone is only 2 weeks old, can I recalibrate the battery? Seems to stay on 1% for a while too.
Click to expand...
Click to collapse
Yes you can, but you need to root your phone. Some people say its useless to do It, but you can try.

Got a bug less device
Sent from my C5303 using xda app-developers app

Battery life on standby is perfectly good for me – a few people have said that the estimate Stamina mode gives is based on recent usage. So if you haven’t had the device very long of have just had a big session on your phone the estimate might not be very accurate.
Most mornings the battery is 0, 1 or 2% down on the reading before I went to sleep…deep sleep is being enforced.
However, I don’t think the battery consumption with screen on is anything special – not bad, not exceptional.
It’s a really good phone IMO. I admit WiFi seems badly implemented and you shouldn’t need the tweak which seems to fix it for most rooted users (all manufacturers seem to still release phones with Wifi problems). But with this tweak in place I get better wifi than my old xperia (it had a custom kernel that gave it awesome range) and better than my wife’s Samsung S2. There’s a part of my house where we couldn’t get any signal for my old phone or laptops – amazingly the SP can connect!

Parkside said:
Battery life on standby is perfectly good for me – a few people have said that the estimate Stamina mode gives is based on recent usage. So if you haven’t had the device very long of have just had a big session on your phone the estimate might not be very accurate.
Most mornings the battery is 0, 1 or 2% down on the reading before I went to sleep…deep sleep is being enforced.
Click to expand...
Click to collapse
My C5303 drained battery like hell, with less than 5 minutes on screen time, it drained 2% per hour.
bluetooth, nfc, wifi, data disabled( sim card does not have data), mobile network wcdma or gsm only
stock .245 generic RU rom rooted with bbs installed,
top of the list wakelock : superstamina xssm (nobody in this forum can fix it)
battery drains : cell standby and phone idle
already factory reset over 5 times, nothing works
is it a rom problem? app problem? simcard problem or battery calibrating problem?
really need some advice here, had been stuck with this ****ty battery life for 2 motnhs

Jambu95 said:
My C5303 drained battery like hell, with less than 5 minutes on screen time, it drained 2% per hour.
bluetooth, nfc, wifi, data disabled( sim card does not have data), mobile network wcdma or gsm only
stock .245 generic RU rom rooted with bbs installed,
top of the list wakelock : superstamina xssm (nobody in this forum can fix it)
battery drains : cell standby and phone idle
already factory reset over 5 times, nothing works
is it a rom problem? app problem? simcard problem or battery calibrating problem?
really need some advice here, had been stuck with this ****ty battery life for 2 motnhs
Click to expand...
Click to collapse
I think that is a problem in the OS of the SP, as put or dimly lit screen this will still consume battery as much lighting.
In my case the problem was corrected a bit, I deleted widgets, some app that did not use, the antivirus was always eating, I set to use 3G only when I need it, otherwise I'm on 2g most of the time, not game unless it is connected to the charger, WiFi and GPS only when I need them, listen to music and write a little and this we see is the result, compared to what it was prior is something a little encouragement ...(Attached)
But, why have a midrange phone if you will not be able to use to stop because two hours is dead? the Sony need to fix that big waste of battery.
I will continue to see what happens, disconcerted me the Android OS consumes much battery 45% to 52% long
Please, helpme whit this, why there are applications that I am using, or have not opened, but are consuming battery?, How do I prevent them from running without my wants? any program to control the apps that connect to the internet?

esloded said:
I think that is a problem in the OS of the SP, as put or dimly lit screen this will still consume battery as much lighting.
In my case the problem was corrected a bit, I deleted widgets, some app that did not use, the antivirus was always eating, I set to use 3G only when I need it, otherwise I'm on 2g most of the time, not game unless it is connected to the charger, WiFi and GPS only when I need them, listen to music and write a little and this we see is the result, compared to what it was prior is something a little encouragement ...(Attached)
But, why have a midrange phone if you will not be able to use to stop because two hours is dead? the Sony need to fix that big waste of battery.
I will continue to see what happens, disconcerted me the Android OS consumes much battery 45% to 52% long
Please, helpme whit this, why there are applications that I am using, or have not opened, but are consuming battery?, How do I prevent them from running without my wants? any program to control the apps that connect to the internet?
Click to expand...
Click to collapse
Check which processes in Android OS is running the most. Install Wakelock Detector and that should help you get there
Also, hibernate apps that are running in background. Use Greenify for the same.

sarkar1990 said:
Check which processes in Android OS is running the most. Install Wakelock Detector and that should help you get there
Also, hibernate apps that are running in background. Use Greenify for the same.
Click to expand...
Click to collapse
i have everything turned off, zero app installed ( except bbs), the lighting effects are off, totally everything off, screen at the dimmest, battery still drain, is that a battery problem or a sim card problem, there are many wakelocks too

esloded said:
I do not play much, texting, only play when I'm charging the phone, cut the rope and Diamon Dash.
In the images shows that the battery is low 2% in 29 minutes
Ok, i do it, the result from battery stats plus.
After it, I think do a factory reset, to see how it behaves.
Click to expand...
Click to collapse
In the images posted I can see Mcafee and Lookout. I would suggest removing Mcafee as I have found it to be a resource hog, my opinion though. Either way u need to get rid of one of them.
In another image I noticed wifi is always on. Go to Settings -> Wifi -> menu, advanced -> Keep wifi on only when connected to charger one. That will reduce wifi wake usage.
get Juicedefenderfrom HERE OR
Snapdragon BatteryGuru from Here
If using Juice defender, set to balanced/aggressive.
If using Viber, go into viber -> more options -> settings -> wifi sleep policy -> change to use device settings not always on.
Zero the battery and do a full charge. Post updated screens when battery is under 30% ( Please include the MISC Usage screen from BBS). I expect it will be 2 days before we see those screens.
If you can even post a screen of the Misc usage from BBS just now and we`ll compare it with the next one soon.
I use JD (gives me a 1.5x boost to battery) with Stamina Mode on (no low battery or wifi). I charge my phone on an average once in 2 days, medium.

I don't have any of those problems, the battery lasts very long, don't have any flat-surface problems, wifi catches at full signal on both my houses, never had "screen flashes", only some crashes in the youtube app.
Must be a PEBCAK error

[Q] Help, please! My battery?!

Okay, so.. I have a Samsung Galaxy Exhibit II 4G.
I have it rooted with the root stock from this thread.
With that said, I've had this phone rooted for several months now. Since January or so. Over the course of that time, the phone has run without fault for months. Recently, I've had issues with my battery draining (as well as charging) far more quickly than it used to. I assumed this was an issue with the battery, because there was a slight bulge in it, so I bought a replacement battery that came yesterday. I charged it full (until the phone said it was 100%), from about 5% charge. It took the normal time (as the phone did when it was new) to charge, of just over 2 hours. It died almost completely about 2 1/2 hours later. Currently, I have my phone charging and it's at right around 90%, after just over an hour of charge from 20%. It used to take far longer to both charge, as well as die. What the Hell is going on?
Just a few notes:
This is not the result of heavy usage (for power drain). I say this because even as the phone was idle while I slept, it died on its own accord sometime throughout the night.
My bluetooth, WiFi, and GPS are almost always off, unless I'm using one of them for some purpose, and I haven't used any of those things since the new battery was installed.
There are no applications running in the background, aside from Facebook. I know this because I'm using Advanced Task Killer to kill everything, and it keeps showing Facebook as if it's opening itself for some reason. This is another issue I'm concerned with, so if anyone knows why or how to remedy this, I'd be appreciative of knowing. Otherwise I'm likely to just delete this unnecessary application.
This is not an issue where the phone is reading an incorrect charge over an extended period. It literally is dying and charging faster than normally.
When the phone is rebooted, whether it be through "Restart" (app from Google Play), via the phone Power key, or removal of the battery, the phone drops around 20% battery life when the restart is complete. The absolute reverse happens (it gains 20%) when restarting with the phone plugged into an AC charger.
Is it possible that this has something to do with the root being outdated, or maybe something updated and I'm unaware? I sincerely have no idea what's going on, as this is the first phone I've ever rooted before. I'm sorry for the long post, but I wanted to give as much information as possible.

It sounds like the battery you bought may be defective. Send it back and get a different one.

Yea sounds like you bought a defective battery. Where did you buy it from? Talk to them and see if they'll send a replacement or get another one from elsewhere
Sent from my Nexus 7 using xda app-developers app

New battery not solving shutdown problem

Z1 lollipop 5.1.1
build n. 14.6.A.1.236
kernel ver. 3.4.0-perf-gd26777b-00851-ga8b7b55 19 november 2015
It all happened a month ago, after an update, the phone battery registered low and the device reboted, and for the first time in the phone history, I saw, at boot, the "app optimization" dialogue, that kept chewing at what battery life was left.
So, I replaced the battery;
at first start, all seemed OK till I hit an app (whatsapp I think) and the phone displaied the low battery warning and went down.
Same, after a full recharge, when pressing the camera hardware button.
Oh, I also had the discrepancy between the charging icon , which reported 100% charge, and after maybe 10min. 50% and, you know the story.
Now, at the very moment I am writing, after a full charge, 24 hours ago, the phone, without the sim and the SD cards, but left on, registers a charge of 93% (only wireless on, to invite some disharge); of course I cannot check the watsapp, but I took some pics, and the phone stays on.
What do you reckon, I am bugged, as android 5.1.1
should I hang on the phone, which, by the way, performs(ed) pretty well, even though marsmallow is not an option, with the 2GB mem. at least in a bog standard state (i.e. not rooted)?
Thanks
A little update: after two more hours, I started using the browser, and after viewing a couple of pages, the phone swiched itself off.
Now, the charging icon, visible, when phone is off, show a 1% charge.
So, the software battery meter, must be well off the mark?
Last addiction: after an hour, the status light is green (phone charged?) and the charge icon, displays a 100% level.
It's your say, now.

I have this problem and battery replace didnt solve anything here too, but I'm on nougat. I hope someone know a solution for this.. But I think It is some kind of hardware problem.

Little update: after recharging, I switched the phone up and let it play some video on youtube;
well, after maybe half an hour, it went down, and as soon as I plugged the charger in, the icon showed 80% charge, which I allready experienced, dismissing it had a fawlty reading, but, with some afterthought , would be in line with the actual battery drainage ( remember that without any activity it stays on indefenetly) and is, as if, some internal mechanism -either hardware or software, is programmed to switch it off at that precise level.
Just a thought, is there somewhere, the level of battery disharge can be set, at our discretion before the device shuts off, say 15%?
I do not seem to find this specific setting, currently.
It is less credible, as time goes by, to think of it as a specific device/brand problem, given the fact that all the major players ware, seems to be affected, and allowing for differences in platforms, the common denominator would appear to be the software itself.

Exact same problem

Some time ago, I replaced my Xperia SP's battery.
The "used, like new" battery I ordered was as bad as the one that was to be replaced, maybe even worse.
I complained, got another-one. This other battery works great.
Remember: There are no "new" batteries out there, just used-ones.
Some are still good, some are dead.
I don't know where replacement batteries that are new should come from... Sony has never sold them as spare parts. I don't know of any company that produces batteries for Sony phones and sells these batteries on the open market.
I only know of third party spare parts for iPhones. Apple has sold only like 20 different models since 2006.
Sony? More like 100.
Producing third party spare parts just isn't profitable in this case. That's the reason why there aren't any.
Any seller who claims to offer "new" batteries lies. At least if he didn't take them from some never used devices.
I'd be HAPPY to be proven wrong because I also need a new battery for my Z1.
Besides, it's no wonder all our phones' batteries die at the same time. They are all the same age and have had more or less the same amount of charging cycles.
Also, it's no wonder they all die the same way (suddenly empty).
They all (more or less) came out of the same factory.
It's like with cars, same model, same problems.
A Peugeot 206 always has problems with the Zylinderkopfdichtung (don't know the English word, the rubber thingy in the motor that keeps water from mixing with oil), some stuff with the wheels or the exhaust flies off because of rust... for the third time in 5 years...

Kaffeetrinker said:
Some time ago, I replaced my Xperia SP's battery.
The "used, like new" battery I ordered was as bad as the one that was to be replaced, maybe even worse.
Remember: There are no "new" batteries out there, just used-ones.
Some are still good, some are dead.
Click to expand...
Click to collapse
Your allegations, are worth investigating.

[solved]
Very important updates.
There seems to be an "xperia battery bug" which kicks in at every battery change.
After having done all the calibration stuff, I re-opened the phone and took the battery connector off, while the phone was on.
Then, did the same, with the phone off.
After three or four days in which the phone did not seem able to start, (rebooted at the first stages of switching on) the phone magically booted up with, and what's more important there was no dicrepancy, between the battery charge level, shown when you plug in the charger, with phone switched off, and the charge level presented by the software, once the phone is on.
So, do not give up your still worth device!
Only thing I noticed now, is a sligtly faster battery consumption, even in stamina mode;
could it be related with the post above?
Maybe a new custom ROM could fix the problem, now that the phone seems stable.

Similar problem.
Phone shuts down when 2 to 3 apps are working simultaneously. It first heats up and then suddenly dies.
Secondly, it sometimes dies on 60% and other days it can work till 1% too. Sometimes after a reboot, it shows the battery percentage abnormally.
I love this phone so i m not planning to throw it away. On the other hand, i cannot find an original battery in the market.

Just chuck a suitable battery in and do the procedure I described.
My battery is not original either, so no problem.
As far as the battery consumption, it seems to be better now, after a week of use.