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[Q] Battery Drain issue, please help

Hello,
I'm currently experiencing an unexplained battery drainage issue and need some ideas from you all! I used to get a battery drain from the phone while it was asleep and connected to my wifi of -10 to -14Ma, where as I now get -76Ma! I'm using "Current Widget" from the market to monitor battery usage which is logged to a file. I have no idea where the additional % is coming from and after exhaustive testing over the last day I'm beginning to go out of my mind here... The phone is consuming too much battery while idle and therefore running flat far too quickly.
I can't quite determine when this started to happen. I'm running LBC v0.5.4 and have been for ages, I upgraded to the latest radio 06.02.03_M although I've tried reverting radios to most of the older ones and can't seem to loose the problem. I've completely reset the device, using the WIPE script (format commands) and installed fresh LBC v0.5.3 and v0.5.4, after the initial install I get the minimal drain (-10Ma) to start with but after the first device reboot its back up -76Ma, this happens both with & without a google accounts configured.
I have no additional applications installed from the market and am installing only current widget from its apk. AUTO-SYNC is off. I've even tried multiple full resets, re-flashes of the ROM, differing kernels, multiple Radios and setup using a different google account (my wifes) and the same thing STILL happens.
It can't be the router related as my wife phone a brand new DESIRE S (still running STOCK) is getting -16Ma from the same router, which I have rebooted. It can't be current widget as I'm running the same apk that my wife is and she isn't getting the problem, plus I've run it for months now and not seen this drain!
I'm considering going back to STOCK! which can't be good. Please help....any ideas and/or suggestions welcome.....(except use my wifes phone!) I must be missing something?
If you can't think of anything that I'm missing, could you at least state the ROM & RADIO version that you're using and the battery consumption that you get in a similar state.

have you tried deleting the file battery_history.txt on your SD card?

kartkk said:
have you tried deleting the file battery_history.txt on your SD card?
Click to expand...
Click to collapse
I only have a currentwidget.log file on the SD card that's produced by the Current Widget application and I've tried removing that a couple of times with no effect.
What produces battery_history.txt? isn't that another battery consumption application?

It's the Battery Monitor Widget. Try that and report the results.

ben_pyett said:
I only have a currentwidget.log file on the SD card that's produced by the Current Widget application and I've tried removing that a couple of times with no effect.
What produces battery_history.txt? isn't that another battery consumption application?
Click to expand...
Click to collapse
Opps I thought you were refering to battery monitor widget
Try battery monitor widget like shrome suggested
Other than the reading how is the battery life doing,it is possible that the reported reading is incorrect ,if the reading is right your device should be out of battery very fast

kartkk said:
Opps I thought you were refering to battery monitor widget Try battery monitor widget like shrome suggested
Other than the reading how is the battery life doing,it is possible that the reported reading is incorrect ,if the reading is right your device should be out of battery very fast
Click to expand...
Click to collapse
No problem...
The battery life unfortunately does seem to be reduced. I have always had that widget on my main home screen so notice its reading whenever I'm operating the device for months now and its normally accurate which is why I spotted the change.
Although I'll be honest since I spotted the change in the reading I've been constantly flashing, wiping, restoring etc which are all heavy operations on the battery life so its really difficult to tell.
Next time the battery hits 100% charged I'll also re-calibrate.
EDIT: Have wiped battery stats from recovery
EDIT2: Have switched and am now testing with battery monitor widget, will report back

ben_pyett said:
No problem...
The battery life unfortunately does seem to be reduced. I have always had that widget on my main home screen so notice its reading whenever I'm operating the device for months now and its normally accurate which is why I spotted the change.
Although I'll be honest since I spotted the change in the reading I've been constantly flashing, wiping, restoring etc which are all heavy operations on the battery life so its really difficult to tell.
Next time the battery hits 100% charged I'll also re-calibrate.
EDIT: Have wiped battery stats from recovery
EDIT2: Have switched and am now testing with battery monitor widget, will report back
Click to expand...
Click to collapse
Is your device getting heated ?
Have you tried switching battery & the sim card with the other DS you have?

ben_pyett said:
EDIT: Have wiped battery stats from recovery
EDIT2: Have switched and am now testing with battery monitor widget, will report back
Click to expand...
Click to collapse
Have again fully wiped, reset and re-flashed LBC v0.5.3. I configured no accounts and turned off auto sync. Flashed v0.5.4 update and am running with the latest RADIO (20.28I.30.085AU_3805.06.02.03)
No applications installed except Battery Monitor Widget. No screens contain any widgets apart from the clock.
My device is clocking battery consumption figures of -36mA to 100mA...
Yet my wife's new (STOCK 1.30)) with 03.02.11 radio is clocking just -7mA!

kartkk said:
Is your device getting heated ?
Have you tried switching battery & the sim card with the other DS you have?
Click to expand...
Click to collapse
My device isn't particularly warm.
Although good call on swapping Battery and SIM I'm doing that now, just one at a time in the hope that it is one of these then I'm able to identify which one
EDIT: rather than change too many things at once I'll also try a different SD card in mine after these initial tests.

ben_pyett said:
Have again fully wiped, reset and re-flashed LBC v0.5.3. I configured no accounts and turned off auto sync. Flashed v0.5.4 update and am running with the latest RADIO (20.28I.30.085AU_3805.06.02.03)
No applications installed except Battery Monitor Widget. No screens contain any widgets apart from the clock.
My device is clocking battery consumption figures of -36mA to 100mA...
Yet my wife's new (STOCK 1.30)) with 03.02.11 radio is clocking just -7mA!
Click to expand...
Click to collapse
OK, this is downright weird. The issue is probably in the kernel, not Radio. Try switching kernels, go to Unity V2.
EDIT: This may be a hardware issue. I think i read your wife has a desire s. Try switching batteries.

shrome99 said:
OK, this is downright weird. The issue is probably in the kernel, not Radio. Try switching kernels, go to Unity V2.
Click to expand...
Click to collapse
LBC mod 5.4 comes with unity v2 kernel as default
& also it can't be a software problem as he has been using the device with the same setup before without a problem

kartkk said:
LBC mod 5.4 comes with unity v2 kernel as default
& also it can't be a software problem as he has been using the device with the same setup before without a problem
Click to expand...
Click to collapse
Correct, I tried switching kernels back to stock earlier and saw no difference.
Swapped SIMs and saw no noticeable difference the new device was still clocking incredibly low numbers.....<10mA whereas mine (with her SIM) still clocked ~50mA
Swapping batteries now.

what's the reading on your wift's battery?

If all else fails, try switching ROMs altogether. Go to virtuous unity. Aosp roms have battery drain, so you won't have any luck on those. Maybe an upcoming update of lbc mod fixes this issue.

mind trying and tell us your reading?my friend who's on hd2 android has reading around 1-4 mA..

tcchuin said:
mind trying and tell us your reading?my friend who's on hd2 android has reading around 1-4 mA..
Click to expand...
Click to collapse
1-4 mAH ?!?!?!?! This is freakin impossible on desire s. 7-10 is normal. I think he posted in the first post.
Edit: ok, this is a shot in the dark. My friend on Virtuous ha similar readings, so i was following this closely. Turns out, he was checking the widget rather than the file in te sdcard (battery_history.txt) the file shows the stats for when the phone is asleep. Check carefully. The widget will usually show 70-100 mAh, as while checking the widget, the phone is awake.

tcchuin said:
what's the reading on your wift's battery?
Click to expand...
Click to collapse
Was still testing, as I need to collect a few continuous minutes of screen off testing to make it fair.
Although as you mention in the LBC thread. which hopefully shows that this can't be a hardware issue with my device, unless it's from the w-ifi attena itself?
If I swicth off the wi-fi completely on both devices, which I've just done then the drain disappears from my device and it starts clocking ~13mA, although hers is still consistently putting in 7mA.
Now time to try a new SD card in mine, must try that before reverting to stock ROM.

shrome99 said:
1-4 mAH ?!?!?!?! This is freakin impossible on desire s. 7-10 is normal. I think he posted in the first post.
Click to expand...
Click to collapse
Easy....he said his friend with a HD2, its a known fact that there is a battery drain issue on the DS as if you were to compare its drain to that on the old Desire its over twice the idle.
There are plenty of threads early on covering this issue....although none of them ever identified any reason. Its interesting to see what the CM7 ROM can achieve in this respect.

Newer processor = more battery consumption

shrome99 said:
Edit: ok, this is a shot in the dark. My friend on Virtuous ha similar readings, so i was following this closely. Turns out, he was checking the widget rather than the file in te sdcard (battery_history.txt) the file shows the stats for when the phone is asleep. Check carefully. The widget will usually show 70-100 mAh, as while checking the widget, the phone is awake.
Click to expand...
Click to collapse
Fair call....but unfortunately I'm checking both but only rely on the results from the file.

heavy battery drain and mobile heating up since last evening

Hi,
I was running MIUIXperience V5 and everything was fine till got a random reboot last evening and after that, battery started draining very fast doing nothing 20-25% in an hour. Mobile is heating up a lot now back side near camera and charging also became very slow (30-40% in 4 hours). Tried full wipe and reinstalling the ROM but still the same issue, wiped battery stats as well.
I was getting 25-35 hrs before this so doesn't look like a fault in battery. Any help will be highly appreciated. Thanks.

Seems a hardware issue to me. Maybe try to swamp battery's and see if the current one you're using is busted.

DeuXGod said:
Seems a hardware issue to me. Maybe try to swamp battery's and see if the current one you're using is busted.
Click to expand...
Click to collapse
Thanks for your help but I still doubt the battery as when charging in powered off, it charge well & quickly as before

Can you try another ROM? If it would work ok with another ROM that would put the hardware suspicion aside. If it still keeps the same with a different ROM, then it's most definitively a hardware issue.

DeuXGod said:
Can you try another ROM? If it would work ok with another ROM that would put the hardware suspicion aside. If it still keeps the same with a different ROM, then it's most definitively a hardware issue.
Click to expand...
Click to collapse
I have tried another ROM and same ROM with clean install, they seem good as before the issue but as soon as I enable root permissions, battery started to drain fast again (35% in an hour)

got a similar issue with mine, usually my battery stills 20hrs, and that's ok for my usage, I'm running brainmaster cm9, but same with CDA 2.0.0, randomly the phone, in some case after a reboot or disconnecting power cable, start to drain battery and become hot, in battery usage stats AndroidOS is the main issue and android.process.acore the resource that never sleep,
I think this can came from a bad deep idle management on some rom-kernels combo or ics 4.0.4 issue, but I nobody to say this...

stremax said:
got a similar issue with mine, usually my battery stills 20hrs, and that's ok for my usage, I'm running brainmaster cm9, but same with CDA 2.0.0, randomly the phone, in some case after a reboot or disconnecting power cable, start to drain battery and become hot, in battery usage stats AndroidOS is the main issue and android.process.acore the resource that never sleep,
I think this can came from a bad deep idle management on some rom-kernels combo or ics 4.0.4 issue, but I nobody to say this...
Click to expand...
Click to collapse
I tried different MIUI Roms but issue remained same. Then I installed Androxide after full wipe and now seems to be working fine (72% after 7hrs). Still can't figure out what is the issue that different variants of MIUI Roms after clean install and battery starts to discharge heavily.
Tried going back to MIUI but probelm came again and after restoring to Androxide, again working fine

moodi_ali said:
I tried different MIUI Roms but issue remained same. Then I installed Androxide after full wipe and now seems to be working fine (72% after 7hrs). Still can't figure out what is the issue that different variants of MIUI Roms after clean install and battery starts to discharge heavily.
Tried going back to MIUI but probelm came again and after restoring to Androxide, again working fine
Click to expand...
Click to collapse
I suggest to install an app like Quick System Info anche see id there is a process running high on CPU usage: there you can see its log and try to understand what's happening...
BTW, I started to have some massive drain with the last CM9 nightlies: it was the Phone app that sucked all the juice in a few hours.
I wiped & reflashed dozen of times, checking if the drain was caused by some app, until I used Quick System Info and saw from the logs that the problem was the new 2g/3g toggle widget: I had set it to "3g preferred" but this caused a loop. Setting it to "2g only"/"3g only" fixed the issue.

First, MIUI is a Chinese ROM.
Second, Chinese things are always known for bad quality.
So MIUI is bad

Really, dude? Maybe you should take the tin foil hat off.

Android OS draining battery upto 72 %

Hi ,
yesterday night i dint plug my phone to charging because my battery was above 70 % so i thought its more than enough for next day but i woke up in noon and saw that my phone was on 11% so took a screenshot thought that posting it here might help me
thnx in advance

Try disabling Google now I heard that its a major battery drain to our crespo
Sent from my Crespo using xda premium

You need to describe your device configuration. Phonetype, Firmware, ....

Time for a clean install.
Sent from my Nexus S

nexususer said:
Hi ,
yesterday night i dint plug my phone to charging because my battery was above 70 % so i thought its more than enough for next day but i woke up in noon and saw that my phone was on 11% so took a screenshot thought that posting it here might help me
thnx in advance
Click to expand...
Click to collapse
Try Installing soju factory image from google. I did a clean install wiping dalvic chache as well and my battery is awsome since then and I never disable google now. See in the attached screenshot how flat battery consumption curve when I am not using it.

alien_x said:
Try Installing soju factory image from google. I did a clean install wiping dalvic chache as well and my battery is awsome since then and I never disable anything.
Click to expand...
Click to collapse
I did the samething after getting terrible battery life due to an AudioOut_2 wakelock that never let my phone idle, and the same thing still happens. I'm wondering if a hardware malfunction could cause screwy behavior like this.

Just do "proper clean install", it should help.

Agree with clean install. ROM and kernel choice have a lot to do with battery drain also.
Was this a one time thing or the norm for your phone? If a one time thing wouldn't worry too much but would still shop for ROMs and do a clean install.
I have started using Juice Defender and LUX and my battery life has increased exponentially its features should help any ROM kernel combo.
Sent from my Nexus S 4G

i had a problem with android os sucking the life out of my battery, all was ok for about a week after i installed jb but then my battery life sucked. rather than do a clean instal i turned off auto sync for a couple of days then switched it back on again, since then my battery life has been good and android os has hardly used up any battery. might be worth while trying this first

Yeah. Full wipe is a last resort. At least if you figure out what actually caused it, you can prevent it from happening. I remember my Nexus S had this weird bug where if I put the phone in air plan mode and didn't disable auto sync, the phone would never properly sleep. Never had that issue on any other phone.

Its sometimes ROM related....codename ROM I get high android is but not with androxide
Sent from my Nexus S using Tapatalk 2

alien_x said:
Try Installing soju factory image from google. I did a clean install wiping dalvic chache as well and my battery is awsome since then and I never disable google now. See in the attached screenshot how flat battery consumption curve when I am not using it.
Click to expand...
Click to collapse
You have network disabled... Off course it does not drain!

I cannot tell much about your device setup since not all the details were given, But even my Sprint Nexus S 4G had horrible battery issues. The stock gingerbread was a joke, then the stock ICS did improve to do a couple more hours. Now running an rooted JB and it seems to do 1day and 3 hours at this time.

alien_x said:
Try Installing soju factory image from google. I did a clean install wiping dalvic chache as well and my battery is awsome since then and I never disable google now. See in the attached screenshot how flat battery consumption curve when I am not using it.
Click to expand...
Click to collapse
i am using international nexus s superamoled version and my model number is i9010T so i cannot install soju i have to install sojua and i m on jelly bean right now

One Power Guard can help the system into a deep sleep,Reduce battery drain
downloaded from http://forum.xda-developers.com/showthread.php?t=1889740
One Power Guard, an AMAZING product, saves energy for your Android device under the all circumstances. It greatly enhances device performance, improves battery, and powers up standby time and battery life by optimizing system kernel and cpu, avoid phone overheating, shutting down useless programs, preventing from energy-consuming apps, initiating deep-sleep mode, adjusting Wifi parameters, optimizing charging parameters and pacing up setting change , etc.

Google Now
Turning off Google now is what fixed the battery drain for me. Tried other things but only this worked.

Wierd Battery Issue : Help Needed

I am running mokee open source 4.4.2 roms and am constantly having trouble with battery.
It shows vague levels...i charge it from 10% onwards...and it gradually goes to 60% or so and then suddenly jumps to 100% showing battery is full.
The recovery sometimes shows the original level as 60%..but rom shows 100%.
Then the rom discharges at 1% per 2 minutes or so and i just cant get any backup as in reality it never gets fully charged. :-/
I have tried callibrating it after numerous factory resets via various playstore battery callibration apps.
I have wiped the system everytime i have flashed a rom.
I have tried discharging it and then charging it while ita off.
I have tried bump charging.
Still it gives 7-8 hours backup while people get 3-5 days of backup on idle mode.
On idle mode even..my tab loses 10-12% in 2-3 hours.
Tab is 7 months old so i think battery doesnt needs to be replaced or any hardware issue.
Can anyone...anyone please help me..?
Please Suggest any method other than the ones i have tried.
Thanks

Edit:
I have even tried Greenify to check the background apps..but in reality the battery goes down on even very light use such as messaging or checkin xda updates.
Anyone..?

This meight help if you are on P51XX : http://forum.xda-developers.com/showpost.php?p=50677996&postcount=788
Else:
Got into advanced wifi-settings and disable wifi to be on all the time, also disable networknotification if you don't need them.

Thanks but i have a P3100.
I have already disabled wifi when sleeping.
Running powersave and noop on 300-1008 mhz.

raamishmk said:
I am running mokee open source 4.4.2 roms and am constantly having trouble with battery.
It shows vague levels...i charge it from 10% onwards...and it gradually goes to 60% or so and then suddenly jumps to 100% showing battery is full.
The recovery sometimes shows the original level as 60%..but rom shows 100%.
Then the rom discharges at 1% per 2 minutes or so and i just cant get any backup as in reality it never gets fully charged. :-/
I have tried callibrating it after numerous factory resets via various playstore battery callibration apps.
I have wiped the system everytime i have flashed a rom.
I have tried discharging it and then charging it while ita off.
I have tried bump charging.
Still it gives 7-8 hours backup while people get 3-5 days of backup on idle mode.
On idle mode even..my tab loses 10-12% in 2-3 hours.
Tab is 7 months old so i think battery doesnt needs to be replaced or any hardware issue.
Can anyone...anyone please help me..?
Please Suggest any method other than the ones i have tried.
Thanks
Click to expand...
Click to collapse
Try flashing new kernel for your device.
Did you overclock the processor?
I once extended the preload with the help of a kernel., and when I restarted, cwm was unable to mount preload.
so I resetted the default settings of the kernel tweak app and den everything went fine like before.

Thanks for the reply.
I had once tried agni PureCM any rom kernel and i think that the issue was gone but i dont remember exactly and moreover i want to remain on stock mokee to get OTA.
People are gettin 3-5 days backup on stock.
I am running stock 300-1008 mhz on powersave and noop.
Also i just wiped preload once..could that be an issue.?
And wouldn't formattin the whole device and flashing the rom from scratch would reset the kernel settings to default..?
Here's a logcat if its of any use.
https://www.dropbox.com/s/ai1yxarc89frj0n/logcat.2014-03-03-08-16-39+0530.txt

raamishmk said:
Thanks for the reply.
I had once tried agni PureCM any rom kernel and i think that the issue was gone but i dont remember exactly and moreover i want to remain on stock mokee to get OTA.
People are gettin 3-5 days backup on stock.
I am running stock 300-1008 mhz on powersave and noop.
Also i just wiped preload once..could that be an issue.?
And wouldn't formattin the whole device and flashing the rom from scratch would reset the kernel settings to default..?
Here's a logcat if its of any use.
https://www.dropbox.com/s/ai1yxarc89frj0n/logcat.2014-03-03-08-16-39+0530.txt
Click to expand...
Click to collapse
I don't think wiping the preload will cause a battery issue.
Yes formatting the whole device should reset the kernel to its default settings.
Are you sure it is not a hardware problem?
Try to check it on any other similar device if you have.

Okay mate.
So i dont have any other tab 2...but my bro has it and he doesnt has this issue as far as i know.
But even i didnt have this issue until 2-3 weeks.
The only real culprit i can think is it might be the cable.
As yesterday pc gave me a code 43 error and i could not connect the tab howsoever i tried.

On 4.4.2 mokee..what should i do with such stats..?
Running greenify...and wifi sleep is enabled..completely formatted the tab and still this issue.
Since battery didnt dropped while it was on sleep..i dont think there is any hardware problem.
Any idea mates..?

@raamishmk same happens with mobile data turned off? can you tell me when it started?

Mobile data is always turned off mate..that stat is for sim network only.
And it started almost 3-4 weeks ago.
Also..i bought a new factory cable and the issue remains..so the faulty cable was not an issue.
Tab is 8 months old now..maybe the battery has possibly died..?

It's a battery issue.. Happen with me as well.. Replace ur battery under Warranty otherwise it will cost u 1600 INR rupees..
Sent from my GT-P3100 using Tapatalk

Well warranty is of 1 year so i can..
Thanks.

[Q] help? Batterry precentage

Hi Guys, i'm noob, i wana ask about my htc sensation, after 2 year i'm using it, today i found
when battery charging (htc Senstaion) dismiss displaying percentage of battery after i restarting while charging.
****battery charging ------> Battery percentage displaying 60% then i restarting the phone while this situation
and then when phone finish restarting and ready to use battery precentage displaying 100%(full)
is it normal?
sorry my english bad

Boot into recovery and wipe battery stats.
Sent from my HTCSensation using XDA Premium 4 mobile app

if not all many users(including me) have this situation
it is a htc's common issue after rooting the device
there is no a solution yet
it is just a percentage misreading
by the way i don't know if wipe battery stats will help

rzr86 said:
if not all many users(including me) have this situation
it is a htc's common issue after rooting the device
there is no a solution yet
it is just a percentage misreading
by the way i don't know if wipe battery stats will help
Click to expand...
Click to collapse
After rooting??? R u sure about that ??
I was suffering same issue before rooting and after rooting..
Wipe battery status is useless here ..
Its HTC's fault....

Itsakash said:
After rooting??? R u sure about that ??
I was suffering same issue before rooting and after rooting..
Wipe battery status is useless here ..
Its HTC's fault....
Click to expand...
Click to collapse
before rooting?
for me that never happened
also wipe battery stats is useless and indeed it is htc's fault

rzr86 said:
if not all many users(including me) have this situation
it is a htc's common issue after rooting the device
there is no a solution yet
it is just a percentage misreading
by the way i don't know if wipe battery stats will help
Click to expand...
Click to collapse
Just a percentage misreading? But if the phone thinks it's at 100% won't it stop charging then?

emrvb said:
Just a percentage misreading? But if the phone thinks it's at 100% won't it stop charging then?
Click to expand...
Click to collapse
probably it stops
i am not sure about that
edit: the point is the battery is increasing its percentage slower when it passes 60%-70%
but it charges the same
so if you reboot the device then it jumps at 90% or full charge

rzr86 said:
probably it stops
i am not sure about that
edit: the point is the battery is increasing its percentage slower when it passes 60%-70%
but it charges the same
so if you reboot the device then it jumps at 90% or full charge
Click to expand...
Click to collapse
Is it known what causes this?
Someone above said "it is a htc's common issue after rooting". Is there any source on that? For all I know, percentage of charge of battery is determined by a combination of output voltage and amps, preferably referenced by a table taking battery age into account (correct me if I'm wrong though).
Rooting the device should not be an issue, unless HTC did something in their rom to detect this and let the battery percentage be wrong. Then again, most of us aren't on the stock rom. To be on another rom, the bootloader needs to be unlocked. Did HTC do something that unlocking the bootloader makes voltage/discharge readings unreliable? I doubt that...
I'm interested in this because I unlocked and flashed a Sensation XE for a friend of mine (SultanXDA's KitKat rom), but the battery discharges very, very fast, without an obvious cause. So I wonder whether it could be the battery is not fully charged and/or the phone decides it's empty to early.

"it is a htc's common issue after rooting"<- i said that
it was a source but i can't find it now
also i don't know if htc did something with unlocking the bootloader by purpose
if you flashed the rom recently don't judge the battery too early
give it 4-5 cyrcle charges until it settles down then see how it goes

emrvb said:
I unlocked and flashed a Sensation XE for a friend of mine (SultanXDA's KitKat rom), but the battery discharges very, very fast, without an obvious cause. So I wonder whether it could be the battery is not fully charged and/or the phone decides it's empty to early.
Click to expand...
Click to collapse
I have exactly this problem.
It sounds like the same ROM, Saltan kit kat. I am using the latest kernal 3.4, having tried two kernals I get the same results. For example I charged the phone to full, and after 2 hours of use I'm down to 55%, WiFi on and browsing, gmail synced but not much else, screen brightness turned down etc.
I only flashed a couple days ago, will it improve massively over the next few days?
The phone was giving a days charge easily before flashing.
I am also noticing a message saying 'unfortunately process com.android.phone has stopped working' (or similar). When this happens and I click OK I notice the signal disappears for a few seconds before coming back. Could this be the cause of the problem?
Could it be he ROM?
I'm new to all this but managed to unlock, root, flash recovery, and flash the ROM thanks to the brilliant guides on XDA. Any help with the above would be appreciated.
Rob

i am facing the same problem , rather my problem is goes much further .
iam on stock ROM and not rooted my sensation. my device often restart automatically even when battery is about 90% or battery is 40% and it continue this from last 2-3 months.
and after restarting battery percentage is also changed, see attached pics.
i am tired of this rebooting , i observed that restaring is mostly when i connect to calls or text msgs.
can somebody pleeeeeeaase help me.

tAheEr73 said:
i am facing the same problem , rather my problem is goes much further .
iam on stock ROM and not rooted my sensation. my device often restart automatically even when battery is about 90% or battery is 40% and it continue this from last 2-3 months.
and after restarting battery percentage is also changed, see attached pics.
i am tired of this rebooting , i observed that restaring is mostly when i connect to calls or text msgs.
can somebody pleeeeeeaase help me.
Click to expand...
Click to collapse
since you are completely stock then the only thing i can tell you is to check your battery if it fits correctly
also how old is it?

rzr86 said:
since you are completely stock then the only thing i can tell you is to check your battery if it fits correctly
also how old is it?
Click to expand...
Click to collapse
thanks for ur reply ,
i have inserted plastic card behind battery for proper contact (adviced by many people at xda) but problem is not solved. my battary is 6 month old.
may be it is battery as i purchased from local market.
i have ordered new battery and soon will recive that . will let you know.
i have observed that mostly mobile got restart when i make/recieve calls and sms.

Spawn-uk- said:
I have exactly this problem.
It sounds like the same ROM, Saltan kit kat. I am using the latest kernal 3.4, having tried two kernals I get the same results. For example I charged the phone to full, and after 2 hours of use I'm down to 55%, WiFi on and browsing, gmail synced but not much else, screen brightness turned down etc.
I only flashed a couple days ago, will it improve massively over the next few days?
The phone was giving a days charge easily before flashing.
I am also noticing a message saying 'unfortunately process com.android.phone has stopped working' (or similar). When this happens and I click OK I notice the signal disappears for a few seconds before coming back. Could this be the cause of the problem?
Could it be he ROM?
I'm new to all this but managed to unlock, root, flash recovery, and flash the ROM thanks to the brilliant guides on XDA. Any help with the above would be appreciated.
Rob
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Click to collapse
Does anyone have any ideas? Today the phone lasted around 12 hours but with minimal use which isn't really good enough. I thought rooting and flashing would improve battery life but so far I am disappointed. I may try another ROM tomorrow.
Rob

i'm try to buying new original batery but still same problem,
now i'm trying viver rom sc.5.1, with last Sebastian FM kernel
this rom verry awesome i'd like this but baterry percentage still problem:
----------------------------------------------------------------------------------------------------------------------------------------------------------
DEVICE: HTC Sensation Z710e
PREVIOUS ROM:Rooted Stock Rom ICS Sence 3.6
CURRENT ROM:ViperS 5.1.0 JB Sense 5
FIRMWARE:3.32.401.5
PREVIOUS KERNEL: htc kernel
CURRENT KERNEL:kernel 3.4.10 by SebastianFM
BOOTLOADER:unlocked
HBOOT VERSION:1.27.0000
RECOVERY:4EXT recovery touch v.1.0.0.6 RC1
S-ON
Thanks
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tAheEr73 said:
thanks for ur reply ,
i have inserted plastic card behind battery for proper contact (adviced by many people at xda) but problem is not solved. my battary is 6 month old.
may be it is battery as i purchased from local market.
i have ordered new battery and soon will recive that . will let you know.
i have observed that mostly mobile got restart when i make/recieve calls and sms.
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Click to collapse
This really sounds like your battery, especially if it's not the original or equivalent. But, it could also be an app on the background, keeping your phone from "deep sleep". Bad cell coverage (very low signal) also drains your battery relatively quickly when you're on 3G. A good WiFi connection consumes less power than 3G with bad signal. Another possibility could be (but unlikely) is that your phone is intended for another region and thus having trouble communicating with the GSM network.
- Check your battery.
- Check what your battery is used for.
- Check your battery time with network set to GSM only.
---------- Post added at 10:21 PM ---------- Previous post was at 10:04 PM ----------
rzr86 said:
"it is a htc's common issue after rooting"<- i said that
it was a source but i can't find it now
also i don't know if htc did something with unlocking the bootloader by purpose
if you flashed the rom recently don't judge the battery too early
give it 4-5 cyrcle charges until it settles down then see how it goes
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Still you keep saying "after rooting" which is significantly different from unlocking the bootloader and flashing. Furthermore, to me it seems far more people report "better battery life" with their new roms.
About initially flashing the rom: i thought format of system, data and cache (including dalvik cache) ought to be enough. It has had somewhere between the 10 and 20 charge cycles by now. Battery life improved a little, but it's still far from acceptable. The battery percentage between reboots should only differ marginally between reboots (might need a few minutes of usage to become accurate). Also notable: over 20% difference in percentage reading between rom and recovery.
I wouldn't mind investigating this. So I wonder if anyone with "proper" battery life could provide me a "dumpsys" for the battery service and would perhaps have the time to take a look at /proc with me.

emrvb said:
Still you keep saying "after rooting" which is significantly different from unlocking the bootloader and flashing. Furthermore, to me it seems far more people report "better battery life" with their new roms.
About initially flashing the rom: i thought format of system, data and cache (including dalvik cache) ought to be enough. It has had somewhere between the 10 and 20 charge cycles by now. Battery life improved a little, but it's still far from acceptable. The battery percentage between reboots should only differ marginally between reboots (might need a few minutes of usage to become accurate). Also notable: over 20% difference in percentage reading between rom and recovery.
I wouldn't mind investigating this. So I wonder if anyone with "proper" battery life could provide me a "dumpsys" for the battery service and would perhaps have the time to take a look at /proc with me.
Click to expand...
Click to collapse
i unlocked the bootloader and root the device at the same period and i stayed for months with the stock rom
i don't know which one is responsible for percentage misreadings
also don't get confused
i am talking only for percentage misreadings and not for better battery life
and only when you charge the device.not unplugged
of course i had(and i still have) very good battery life with whatever rom i have flashed
by the way i have noticed the percentage difference between recovery and rom but i don't remember if it was 20%

rzr86 said:
i unlocked the bootloader and root the device at the same period and i stayed for months with the stock rom
i don't know which one is responsible for percentage misreadings
also don't get confused
i am talking only for percentage misreadings and not for better battery life
and only when you charge the device.not unplugged
of course i had(and i still have) very good battery life with whatever rom i have flashed
by the way i have noticed the percentage difference between recovery and rom but i don't remember if it was 20%
Click to expand...
Click to collapse
Alright, thanks for clearing that up. I really want to solve this issue, so I'm quite keen on getting the facts straight.
Back to my issue then (yeah I'm effectively hijacking this thread): is it possible the percentage misreading is causing the battery not to fully charge and/or discharge? Or should I direct my search to another cause?
This is what I found (or did not find) so far:
- Stand-by time seems great, the drain occurs when the screen is on.
- There is nothing in the normal battery usage (usage goes to screen)
- I was unable to detect an obvious culprit with better battery stats.
- I did notice that when I do a dumpsys, service battery shows voltage in V, while my Sony shows it in mV.
- I tried offline charging for about an hour today (light still orange), after boot the battery indicator showed 100%. It dropped to 86% in 7 to 8 minutes.

emrvb said:
I tried offline charging for about an hour today (light still orange), after boot the battery indicator showed 100%. It dropped to 86% in 7 to 8 minutes.
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probably never truly reached the full charge(100%) when charged it in that one hour
by the way how old is your battery?
did you try with a new one?

rzr86 said:
since you are completely stock then the only thing i can tell you is to check your battery if it fits correctly
also how old is it?
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please see attached screenshots
what do u think , is this battery or some hardware etc fault??