[Q] Battery life DECREASED after flashing SpeedMod? - Upgrading, Modifying and Unlocking

I don't think this belongs in anything related to ROMs, as it relates to the kernel. I flashed SpeedMod kernel(most up-to-date version) to my Samsung Captivate using SGS Kernel Flasher. After i rebooted the phone into recovery mode, I was at the green ClockworkMod recovery screen(which I expected). I then proceeded to enable all of the tweaks(as is recommended). Supposedly, my phone is supposed to now have a significant increase in battery life. Unfortunately, the opposite is true. On the stock kernel, my battery would drop 1% about every 15-20 minutes while idle. Now it drops 1% every 3-5 minutes. Did I do something wrong?

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[Q] Battery Drain

Okay. i have Calk's EL13 v2.5 rom and i have the Venum black and white minimal theme on it. Im losing 1% of battery every 2-4 mins. is there anything i can do to fix this? or is it normal?
You might want to try and calibrate the battery. There are several ways of doing this.
Since you're rooted, you can charge the phone to 100% and then boot into CWM recovery and wipe battery stats. Reboot your phone and use it normally and drain the battery all the way down until it powers off by itself. Then charge again to 100% and that should complete the calibration.
Alternate method is download Battery Calibration app in the market and follow the instructions on there. That will keep you from having to boot into CWM to wipe battery stats.
Hope that helps you.
Any difference b/w calibrating via CWM or Batter Calibration app?
dafluke24 said:
You might want to try and calibrate the battery. There are several ways of doing this.
Since you're rooted, you can charge the phone to 100% and then boot into CWM recovery and wipe battery stats. Reboot your phone and use it normally and drain the battery all the way down until it powers off by itself. Then charge again to 100% and that should complete the calibration.
Alternate method is download Battery Calibration app in the market and follow the instructions on there. That will keep you from having to boot into CWM to wipe battery stats.
Hope that helps you.
Click to expand...
Click to collapse
Hi, I've been experiencing the same thing with the battery. Is there any difference between wiping battery stats in CWM and using the Battery Calibration app? Is one better than the other? Is there any advantage to using one method as opposed to the other? Thanks, much appreciated.

[CM7]after calibration, my battery gets to 0% everytime i reboot

Im new to this forum, and to flashing/rooting. yesterday i rooted and fashed my phone. One thing i have to say is that i dont really have any exprience in rooting/flashing..so when you want to explain something, explain it like you are explaining to a child.
Well, the problem is that, i calibrated the battery using battery calibrate app. The phone was working fine until i rebooted ten minutes after..now the battery was showing 0, and i started to charge my battery again..3 minutes after i discharged and now it was like 99% . Then i rebooted again, i got 0% battery AGAIN. so i plugged in the charger...and 2 minutes after discharged again..boom 99% again.
The concluison is , everytime i reboot my battery gets to 0, and i have to plug in the charger. when discharing, the battery gets to normal again. All this because of a calibration? Please help.
BTW: ITS JUST RANDOM REBOOTS.
Noreply18 said:
Im new to this forum, and to flashing/rooting. yesterday i rooted and fashed my phone. One thing i have to say is that i dont really have any exprience in rooting/flashing..so when you want to explain something, explain it like you are explaining to a child.
Well, the problem is that, i calibrated the battery using battery calibrate app. The phone was working fine until i rebooted ten minutes after..now the battery was showing 0, and i started to charge my battery again..3 minutes after i discharged and now it was like 99% . Then i rebooted again, i got 0% battery AGAIN. so i plugged in the charger...and 2 minutes after discharged again..boom 99% again.
The concluison is , everytime i reboot my battery gets to 0, and i have to plug in the charger. when discharing, the battery gets to normal again. All this because of a calibration? Please help.
BTW: ITS JUST RANDOM REBOOTS.
Click to expand...
Click to collapse
1) the app shouldn't be the problem, uninstall the app, and restart the phones, it it persists, you can try to reflash the rom, make sure you do a full wipe, here's how - http://www.youtube.com/watch?v=xBsiOzQZrcY
2) The random reboot could be due to either witch CM& version you have installed, or because it was not flashed properly, best bet is to reflash it.
If I helped, a thanks would hurt
Agree with above poster, did u check the MD5 before flashing and the CM7 forum thread for similar issues?. if unsure do a super wipe using the script from mike1986's ARHD Thread.
http://forum.xda-developers.com/showthread.php?t=840040
scroll down to the links and download SuperWipe.
In recovery flash the superWipe then flash any rom.
When Flashing:
CHECK MD5 INTEGRITY OF THE ROM BEFORE FLASHING ^
DO NOT RESTORE ANY DATA OR APPS VIA TITANIUM OR MYBACKUP
MAKE SURE IN YOUR PREVIOUS ROM YOU UNTICK "BACKUP DATA AND SETTINGS" (or similar option) UNDER PRIVACY IN SETTINGS*
^ MD5 Checker tool http://download.cnet.com/MD5-Checker/3000-2092_4-10410639.html
When downloading a rom theres usually an MD5 Hash written next to the link, copy and paste this number in to the tool then browse to the rom file you have just downloaded.
*This does not affect the contacts or calendar sync.
As for calibration follow the guide here:
http://forum.xda-developers.com/showthread.php?p=16808932 by memnoc
If its TL : DR for you (it was for me ), the summary of it is
1. get current widget app by RMDROIDER
2. place the widget on the home screen showing the mA (milli-amps) and set the update interval to every 60 seconds.
3. download the battery calibrator app by DAMO Software
4. charge the phone till the green light turns on and leave the charger plugged in
5. run the battery calibrator and click on "backup and remove batterystats.bin"
6. leave the charger in and Full Reboot (no HOT reboots).
7. Pay attention to the current widget, you can refresh it manually by tapping "update now" or wait until it shows 0mA
8. Unplug the charger when its at 0mA.
9. Use the phone as you do until its fully discharged, discharge it completely until it decides to turn itself off.
10. Charge the phone fully and use it as normal.
11. Say thanks in memnoc's thread.
Thats pretty much what you have to do.
Noreply18 said:
Im new to this forum, and to flashing/rooting. yesterday i rooted and fashed my phone. One thing i have to say is that i dont really have any exprience in rooting/flashing..so when you want to explain something, explain it like you are explaining to a child.
Well, the problem is that, i calibrated the battery using battery calibrate app. The phone was working fine until i rebooted ten minutes after..now the battery was showing 0, and i started to charge my battery again..3 minutes after i discharged and now it was like 99% . Then i rebooted again, i got 0% battery AGAIN. so i plugged in the charger...and 2 minutes after discharged again..boom 99% again.
The concluison is , everytime i reboot my battery gets to 0, and i have to plug in the charger. when discharing, the battery gets to normal again. All this because of a calibration? Please help.
BTW: ITS JUST RANDOM REBOOTS.
Click to expand...
Click to collapse
is this a nightly or a stable version? if its a nightly try switching to stable then u can install current widget from market and place it on you home screen then fully charge your phone until the value becomes 0ma now try to calibrate if this still a problem try wiping everything ( data,cahe) then re-flash if still the same i think there is a problem when u rooted ur phone

[Q] Flashed Trinity 3.2 for XaS, cant charge through PC

so reflashed the Trinity 3.2 rom on my Acro S, and was surprised to see my phone not charging when connected to PC..here's what i noticed:
red led is on when connected [usually means it's charging, right?]
there's no up trend on the battery stats [it's flatlined, which i think means it's not using the battery power but using the USB power instead]
battery charging animation is there on offline charging through PC, but when i turn it on after 20 minutes or so, the battery level is the same
lockscreen says it's charging and show battery percentage but stays the same for another 20 minutes
so, i already tried changing roms to RootBox, thinking maybe it's kernel related, but its the same
this is also not my first time to reflash Trinity, i already reflashed maybe 3-4 times with no problems..
am i missing something when flashing?though i flashed it the same way i flashed before: wipe data, cache and dalvik; and never had problems till now, it's just confusing..can anybody help?
i borrowed a wall charger from a colleague that has an XneoL and it's charging right now, 1% to 14% in 15 minutes
boyheadkick said:
so reflashed the Trinity 3.2 rom on my Acro S, and was surprised to see my phone not charging when connected to PC..here's what i noticed:
red led is on when connected [usually means it's charging, right?]
there's no up trend on the battery stats [it's flatlined, which i think means it's not using the battery power but using the USB power instead]
battery charging animation is there on offline charging through PC, but when i turn it on after 20 minutes or so, the battery level is the same
lockscreen says it's charging and show battery percentage but stays the same for another 20 minutes
so, i already tried changing roms to RootBox, thinking maybe it's kernel related, but its the same
this is also not my first time to reflash Trinity, i already reflashed maybe 3-4 times with no problems..
am i missing something when flashing?though i flashed it the same way i flashed before: wipe data, cache and dalvik; and never had problems till now, it's just confusing..can anybody help?
i borrowed a wall charger from a colleague that has an XneoL and it's charging right now, 1% to 14% in 15 minutes
Click to expand...
Click to collapse
I think there was this problem with 3.2 version itself.. Lots of users complained about FC's and different sorts of bugs.. May be this was one among them too.. U can try 3.4 or just flash the original ftf itself.. Or if u have had a CWM backup of your previous ROM, you can do that too.. You know, the best thing u can do to avoid these sorts of probs in future is to make a clean install or clean flash as they say.. Wipe everything, format system,data,cache and then flash the ROM..
i do wipe everything when i update a rom
and Trinity 3.4 for Acro S hasn't been released yet
thanks anyways

[Q] Battery indicator stucked at 1%

After flashing a custom ROM and Kernel (4.4.2 Civz Flexnote and spherekat) my battery indicator drop and stuck at 1%.
I downgrade to stock 4.2.2 rom and kernel but nothing change, the indicator still dropping and stucked at 1%.
I had tried to full charge the battery and wipe the batterystats.bin but not work.
Please help me.
How to fix it?

Battery only charges to 94%?

For some reason when I am charging my phone the battery recharge level only reaches 94%. I am currently running stock with the bootloader locked, but previously I have unlocked the bootloader and flashed twrp and various ROMs. Does anyone have any idea what would be creating this bug? Perhaps deleting battery stats would be the answer?

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