Re flash baseband? - T-Mobile LG G2x

I have a g2x that has absolutely horrid battery life when using WXCDMA. When using it on the go, I sometimes loose like 1% life per minute or so, getting quite warm in the process. Also, when these monsterous drains occur, it continues killing the battery while sleep.
When on wifi, the life is great. I have already tried all of the various fixes, but I haven't run across anything that would stop the wcdma modem from sucking so much power.
I'm wondering if reflashing the baseband would work? Is that file even available? Input is greatly appreciated, cause I am envious of people that can make it a full day on a charge....
Sent from my LG-P999 using XDA App

greengoldmello said:
I have a g2x that has absolutely horrid battery life when using WXCDMA. When using it on the go, I sometimes loose like 1% life per minute or so, getting quite warm in the process. Also, when these monsterous drains occur, it continues killing the battery while sleep.
When on wifi, the life is great. I have already tried all of the various fixes, but I haven't run across anything that would stop the wcdma modem from sucking so much power.
I'm wondering if reflashing the baseband would work? Is that file even available? Input is greatly appreciated, cause I am envious of people that can make it a full day on a charge....
Sent from my LG-P999 using XDA App
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Click to collapse
not possible as far as i know... just try a factory reset, that is your best bet

JHaste said:
not possible as far as i know... just try a factory reset, that is your best bet
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Click to collapse
Been there, done that. Flashed multiple roms also. Same issue
Sent from my LG-P999 using XDA App

have you tried getting a new sim card?

greengoldmello said:
Been there, done that. Flashed multiple roms also. Same issue
Sent from my LG-P999 using XDA App
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Click to collapse
"Flashed multiple roms" isn't helpful. Which roms did you flash? Have you tried CM7 or one based on CM?
Have you monitored your battery usage to figure out which apps are eating up your battery?
Do you turn GPS/bluetooth/wifi off when not in use?
Replaced battery (seems to help people who have over heating issues)?
The most common causes of the battery drain/overheating is a rouge app and/or just a bad battery. My battery never even gets warm. I've noticed that even after long periods of gaming or internet surfing that the phone is relatively cool, so it seems you definitely have a problem there. Finding that problem is key.
Before you jump the gun, my SETTINGS>ABOUT PHONE>BATTERY USE:
Cell Standby = 58%
Phone idle = 42%
Display = 2%
I don't know why that equals 102% but just roll with it. A good battery monitor app will tell you which specific application is eating battery. I don't use those as I don't have a need to since I don't have a problem, but check those out and report back.

player911 said:
"Flashed multiple roms" isn't helpful. Which roms did you flash? Have you tried CM7 or one based on CM?
Have you monitored your battery usage to figure out which apps are eating up your battery?
Do you turn GPS/bluetooth/wifi off when not in use?
Replaced battery (seems to help people who have over heating issues)?
The most common causes of the battery drain/overheating is a rouge app and/or just a bad battery. My battery never even gets warm. I've noticed that even after long periods of gaming or internet surfing that the phone is relatively cool, so it seems you definitely have a problem there. Finding that problem is key.
Before you jump the gun, my SETTINGS>ABOUT PHONE>BATTERY USE:
Cell Standby = 58%
Phone idle = 42%
Display = 2%
I don't know why that equals 102% but just roll with it. A good battery monitor app will tell you which specific application is eating battery. I don't use those as I don't have a need to since I don't have a problem, but check those out and report back.
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Click to collapse
I have a brand new sim card.
Yes I have tried cm 7
I haven't tried a new battery simply because its not the battery that gets really hot, its the phone, specifically the area around the camera lens.
Also it doesn't do this while on wifi.
Sent from my LG-P999 using XDA App

I think the processor is around the camera lens. I tried flashing a rom that would simply not boot. It would go from the LG screen to a black screen and hang. That is the only time my phone has been warm around the camera lens.
So try to figure out what is taxing your processor and stop it. What rom are you running? You still haven't provided enough details. What about a battery monitor? What apps do you have installed?

player911 said:
I think the processor is around the camera lens. I tried flashing a rom that would simply not boot. It would go from the LG screen to a black screen and hang. That is the only time my phone has been warm around the camera lens.
So try to figure out what is taxing your processor and stop it. What rom are you running? You still haven't provided enough details. What about a battery monitor? What apps do you have installed?
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Click to collapse
Nothing was taxing the processor. This has happened on the stock rom with no added apps. Surfing the internet is what made it warm. I used an app called watchdog to see the cpu usage and nothing even went above 40%

Related

Informal battery test

There are a lot of battery threads out there, but i wanted to try something new. I want to see how much our phones drain in real world situations. So here are the rules:
1. Use your phone normally for ten minutes.
2. Note your battery percent at the beginning and then at the end.
3. Post details about what you did, what ROM you're using, and the percent battery drain.
Hopefully we can compare our experiences and learn something.
I used my phone to surf a few websites, send one text, and use xda app. Started at 80% and ended at 77%. Using rcmix3d at 50% brightness.
I know there are tons of factors that affect battery drain, and I'm not trying to be scientific. I'm just curious how we all compare!
Sent from my HTC Inspire™ 4G using XDA Premium App
The only way you will get a decent idea is to test with others in your area as it will depend alot in signal strength. I would use more battery if I was bouncing between signals instead of having a steady connection.
shermanshen said:
There are a lot of battery threads out there, but i wanted to try something new. I want to see how much our phones drain in real world situations. So here are the rules:
1. Use your phone normally for ten minutes.
2. Note your battery percent at the beginning and then at the end.
3. Post details about what you did, what ROM you're using, and the percent battery drain.
Hopefully we can compare our experiences and learn something.
I used my phone to surf a few websites, send one text, and use xda app. Started at 80% and ended at 77%. Using rcmix3d at 50% brightness.
I know there are tons of factors that affect battery drain, and I'm not trying to be scientific. I'm just curious how we all compare!
Sent from my HTC Inspire™ 4G using XDA Premium App
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Click to collapse
Screen-on time is the only thing I ever look at. I've only managed to squeeze about 5h45m, out the sense-based gb ROM I've been using.
The phone does really well in standby on most if not all roms that have been flashed properly, don't have non-rom-related battery hogging app issues, and, as zelendel mentioned, signal issues.
It's this big fat screen that's obviously the biggest battery sucker.
Scott_S said:
Screen-on time is the only thing I ever look at. I've only managed to squeeze about 5h45m, out the sense-based gb ROM I've been using.
The phone does really well in standby on most if not all roms that have been flashed properly, don't have non-rom-related battery hogging app issues, and, as zelendel mentioned, signal issues.
It's this big fat screen that's obviously the biggest battery sucker.
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Click to collapse
My phone does great in standby as well, but seems to die quick when I'm actually using it. I've never had an issue with the phone dying on me though as I recharge every night. I think i had a little better battery life on miui than I'm getting now.
I know there are many many factors that go into battery performance, I'm just curious what other people actually get when using their phones.
Sent from my HTC Inspire™ 4G using XDA Premium App
shermanshen said:
My phone does great in standby as well, but seems to die quick when I'm actually using it. I've never had an issue with the phone dying on me though as I recharge every night. I think i had a little better battery life on miui than I'm getting now.
I know there are many many factors that go into battery performance, I'm just curious what other people actually get when using their phones.
Sent from my HTC Inspire™ 4G using XDA Premium App
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I've gotten accustomed to putting my phone on the charger before bed as well. Mine pretty much will last the entire day... Off charger at ~8-9am, back on it at ~12am.
Averaging about 5 hrs screen on time with usually no voice calls of significant length, WiFi on, gps off, relatively stable signal.
I'm running Inspired Ace 1.0.1, and the 04.11_M2 radio. Seems I was getting a little better with the OTA radio, but signal fluctuated a lot more on that one, than with the 04.11_M2.
Edit: doesn't really use your testing procedure, just more of a general feeling, as there's so many other contributing factors...
10 minutes of on-line gaming (storm8 games) = 10% drain
WiFi off, gps off, mobile data on, screen brightness on auto, stock rom
zuriken said:
10 minutes of on-line gaming (storm8 games) = 10% drain
WiFi off, gps off, mobile data on, screen brightness on auto, stock rom
Click to expand...
Click to collapse
Holly crap that's a heavy drain. I couldn't possibly use this phone with that type.of battery drain. Thanks to our great dews I managed a little over 7h screen on time. Could only accomplish that by reducing the screen brightness and UC to 768mhz. Stick speed and auto brightness I get about 6-6 1/2 screen on.
Sent from my Inspire 4G using Tapatalk
My battery will drain about 5% if I even just leave it sitting for ten minutes... I JUST rooted my Inspire and flashed the RCMix3D ROM, and it almost seems worse. Have background data, auto sync, wifi, gps, bluetooth, all that stuff shut off, too. I love this rom, but really want to find one that improves battery life!
elijahpr said:
My battery will drain about 5% if I even just leave it sitting for ten minutes... I JUST rooted my Inspire and flashed the RCMix3D ROM, and it almost seems worse. Have background data, auto sync, wifi, gps, bluetooth, all that stuff shut off, too. I love this rom, but really want to find one that improves battery life!
Click to expand...
Click to collapse
You probably got a bad flash, or have something else running, as I mentioned in your recent thread.
Did you full wipe prior to flashing?
Try out gingerbeast, if you still have battery issues with that, after properly wiping prior to flashing of course, then it's hardware, as that ROM has produced some record-breaking battery life performance.
Mine has twice decided to randomly have days where it just drains like crazy. The battery is a lot warmer and just dies out in like 6 hours with very minimal usage. the majority of the time my battery is great but the last 2 days and then about a month ago it did this. No reason for it either, I have made no changes on my device.
Anybody seen this?
Sent from my Inspire 4G using XDA App
Scott_S said:
You probably got a bad flash, or have something else running, as I mentioned in your recent thread.
Did you full wipe prior to flashing?
Try out gingerbeast, if you still have battery issues with that, after properly wiping prior to flashing of course, then it's hardware, as that ROM has produced some record-breaking battery life performance.
Click to expand...
Click to collapse
Yeah I did a full wipe before flashing. I'll be sure and try that out tomorrow, I really hope it helps. If the issue is hardware, should I contact HTC? After I believe you said my phone should still be under warranty, I called them, and indeed it is. The rep I had before must have been new or something. Thanks
From a full charge, on TPGB with wifi, gps, and sync on, and everything refreshed 3-4hrs, I lasted about 8 hours. I was using super accurate gps for 20 minute intervals or so, but it lasted the day I'd say. Some occasional web browsing.
Lucky for me my head unit on my car has a usb port. For this whole trip I left it off though.

[Q] Battery draining extremely fast. Any suggestions?

This rom used to be fine, now it is draining extrememly fast and I don't know why.
I am on Gingerbread KF2 and really haven't done anything else yet. I used to be able to make it through an average day of ~15 or so hours using the phone only for some messages, a call or two, and a few minutes of music. After this type of usage, the battery would be around 70-80% at the lowest usually. This is even with the screen at FULL brightness all day.
About a week ago, it started draining super fast. The same usage runs the phone down to about 20-30%, which is ridiculous. In battery stats, Android OS is always FAR above everything else with like 60%. A couple battery calibrations did nothing. I don't use task killers, but I do check my running apps. OS monitor didn't help me at all, and checking my currently running apps just showed mostly system apps that should not be draining hardly any battery at all.
Any suggestions? I think that about covers it all. This just has me stumped...
go through your apps and see how often they check for updates. there were a lot of updates recently and some settings may have changed. If nothing changed, can you do a quick scan with look out? Just to be safe. Also, try juice defender and set it to aggressive
Sent from my SGH-T959V using XDA Premium App
Lookout didn't pick up anything and I set JuiceDefender to aggressive. Will JuiceDefender warn me of an app using excessive battery?
Nope, that battery is still dropping like crazy. (8% in half an hour from almost no use.)
Maybe I just need to reflash and start over fresh...
It will take a day out two to settle in. is your phone sleeping properly when the screen in off? Press the volume keys once it locks and if it makes the sound then it if still on.
Sent from my SGH-T959V using XDA Premium App
jager555 said:
It will take a day out two to settle in. is your phone sleeping properly when the screen in off? Press the volume keys once it locks and if it makes the sound then it if still on.
Sent from my SGH-T959V using XDA Premium App
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Click to collapse
Sleeping just fine.
Yea, I guess if you can't figure it out, you can reflash. That is a pain though. I would say to try out jd for a while longer and see if you get results. fb us usually the culprit for my battery drains, but if you checked all of your apps and changed them to manual, then there isn't much more you can do.try putting your screen to auto brightness
Sent from my SGH-T959V using XDA Premium App
So either juice defender is helping or ADW launcher was using excesive battery. It is working better today after I switched back to launcher pro, but still going down pretty fast.
Sent from my SGH-T959V using XDA App
ADW doesn't really drain much battery for me. It actually uses less RAM compared to LauncherPro and Go Launcher (for me).
I think you should just try reflashing your ROM, maybe flashing the new GB ROMs too.
Also, are you sure you're doing the battery calibrations properly? That might also be an issue.
Maybe it's not your phone or ROM...
I've had several ROMs in the last few weeks and have noticed this behavior on many of them....after searching, I found this.
T-Mobile has apparently noticed some abnormal battery issues in areas with their "4G" HSPA+. They're asking people in their support forum for a bit of info to help them find the issue.
support[dot]t-mobile[dot]com /thread/3544
The problem was initially believed to be affecting the G2 only, but is now believed to be affecting all phones in their "4G" footprint that started when they updated their towers in late July. The update provides the government an emergency channel to use, but it appears that it may be causing network issues.
Thanks for bringing it up, this is affecting me too. i lose 20-40% battery PER HOUR of use on the phone at 25% screen brightness playing a card game online (no wifi, just on HSPA+). This is on a BRAND NEW flash of KH2 (GB 2.3.4).
The top half of the phone gets really hot and battery drains like crazy. ceasing data use cools it down and reverts to normal battery use.

[Q] is rooting always like this

Maybe this is due to my lack of experience, but maybe not. It seems like every time I put a new ROM on my phone it goes to hell in about a month. I'm not a technician but I can follow directions for installation, patches, etc. So far I have had 0 long term success in installing a ROM that ends up being any better than stock after 30-60 days.
For example, I've had issues with battery drain, random booting while the phone is powered off, redraw issues, serious lag, data connectivity issues, and a few other things. It seems like its always something.
The only phones I've toyed with are my old Eris and my Charge. Is this a phone issue, noob issue, or is this par for the course? If it is par I'll end up back at stock and have mediocre performance rather than have a buzz saw that ends up needing constant tweaking and maintenance.
Btw this isn't a knock on developers. I appreciate them sharing all their hard work. I just want to know if everybody else goes through this or am I holding a bag of stupid.
Just rooting does nothing more than give you superuser access. It doesn't even do anything that uses the root specifically. Different roms do different things, but nothing to use battery...mostly they take things out rather than put things in.
Best thing to do is look at BetterBatteryStats and track partial wakelocks. That will tell you what is waking up your system and if there's anything spiking it, you can deal with it. Most of what really drains battery on this phone, other than bad apps, is somewhat random, and it will affect non-rooted phones just as much as rooted.
Must be something you did, picking a good rom make a big different. In my case. I flashed tweakstock to my daughter's phone since the first day it released (with tweakstock kernel), and never, I repeat never have any issue, when tweakstock 1.4 released, this is the second time I touch her phone and up until now she hasn't have any issue. If you use eclipse rom, PBJ kernel, Imonsey kernel, you're going to have issue. They are not bad roms or kernels, but they do have bugs. This is my experience.
Yeah, I think it's you. On stock, I'll be lucky to get 12 hours usage in a low signal environment. On a custom ROM, with custom kernel, I'll make it through the day. Of course, I've had a couple of random total crashes where I had to go at it again, but I deal with it.
PROTIP: the Facebook app needs to be told to stfu constantly. I would get an app like System so you can kill it easily-it still stays in RAM and in wakelock, taking clock cycles, even if you close it by backing out. I found that this was one of the best battery savers.
Sent from my SCH-I510 using xda premium
kvswim said:
Yeah, I think it's you. On stock, I'll be lucky to get 12 hours usage in a low signal environment. On a custom ROM, with custom kernel, I'll make it through the day. Of course, I've had a couple of random total crashes where I had to go at it again, but I deal with it.
PROTIP: the Facebook app needs to be told to stfu constantly. I would get an app like System so you can kill it easily-it still stays in RAM and in wakelock, taking clock cycles, even if you close it by backing out. I found that this was one of the best battery savers.
Sent from my SCH-I510 using xda premium
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Click to collapse
Yes, I agreed with kvswim, Facebook is a big battery drainer, I ended up using the browser for facebook, it's not as nice as the FB app, but once you get a hang of it. It's fine. I suggest if you want trouble free, ODIN pit file and original factory image, then upgrade to tweakstock with tweakstock kernel, then install Go launcher for smoothness. To save battery even more install battery saver by Antutu.(keep all default settings, don't play with it). You will see big improvement with both battery and smooth trouble free phone.
Please use the Q&A Forum for questions &
Read the Forum Rules Ref Posting
Moving to Q&A
buhohitr said:
Yes, I agreed with kvswim, Facebook is a big battery drainer, I ended up using the browser for facebook, it's not as nice as the FB app, but once you get a hang of it. It's fine. I suggest if you want trouble free, ODIN pit file and original factory image, then upgrade to tweakstock with tweakstock kernel, then install Go launcher for smoothness. To save battery even more install battery saver by Antutu.(keep all default settings, don't play with it). You will see big improvement with both battery and smooth trouble free phone.
Click to expand...
Click to collapse
you really find a battery saver to be helpful. Every time i try one it ends up costing me more battery life than it saves.
As for the phone issues. Are you wiping data, cache, and dalvik before you flash? Not doing so can really muck things up. And a lot of times its just an annoying app that sucks up all ur juice, ie words with friends and facebook. I use them alot so I deal, but u can definitely tell the difference when u dont have those apps installed.
No i dont think its u...i have problems also.i jus made a post about my home/hard key...its always seems to b something after the next.but it looks like people find ways to deal and eventually conquer.also i appreciate wat the developers do.its alot of work and headaches.on top of posting and replying to many many people.its the roms that cause problems...constant tweaking and toying around...alot of times things jus need to b debugged a little it seems.but its all in the nature of what were all doing here.good luck to u
Sent from my Gummy Charged GBE 2.1 using XDA App
cnoevl21 said:
you really find a battery saver to be helpful. Every time i try one it ends up costing me more battery life than it saves.
As for the phone issues. Are you wiping data, cache, and dalvik before you flash? Not doing so can really muck things up. And a lot of times its just an annoying app that sucks up all ur juice, ie words with friends and facebook. I use them alot so I deal, but u can definitely tell the difference when u dont have those apps installed.
Click to expand...
Click to collapse
Hey. how about give the "battery saver" app by Antutu a try. This is one of the kind. It does not kill processes like others. It actually readjust cpu frequency during usage and put your phone in heavy deep sleep, after installed, let it run for 2 days, you will notice at least 3-4 hrs more during usage and 10+ if you let your phone sleep. I have test this app with wifi,4g,gps on 24/7 and I still have good battery life.
I downloaded betterbatterysaver to check my stats. Now to figure out how to read the data. Any suggestions? I've searched Google and it seems to be a mystery for many. It appears that Dolphin HD is using most, but I kill the program when I'm done???? I switched to mini and froze HD to troubleshooting. I only use FB browser too. I ditched the app long time ago.
Before I flash I wipe dalvik cache, data, and then wipe it again. I follow directions closely since I can't figure my way out if something goes wrong. I'm running tweakstock's latest right now and I'm really enjoying it. Very stable and snappy. However, the battery problem is killing the experience. It drained fro. 69% to dead in 6 hours overnight! Switched from 1.1 because the phone got very laggy and the hand off between 3-4g was getting dropped and I was losing data connection.
I will try the battery saver app. Just got battery calibrated and still not any better. My need to have a phone that doesn't suck will keep me playing with this thing until I get it right. My Charge is used so much it's like my third hand.
donkason said:
I downloaded betterbatterysaver to check my stats. Now to figure out how to read the data. Any suggestions? I've searched Google and it seems to be a mystery for many. It appears that Dolphin HD is using most, but I kill the program when I'm done???? I switched to mini and froze HD to troubleshooting. I only use FB browser too. I ditched the app long time ago.
Before I flash I wipe dalvik cache, data, and then wipe it again. I follow directions closely since I can't figure my way out if something goes wrong. I'm running tweakstock's latest right now and I'm really enjoying it. Very stable and snappy. However, the battery problem is killing the experience. It drained fro. 69% to dead in 6 hours overnight! Switched from 1.1 because the phone got very laggy and the hand off between 3-4g was getting dropped and I was losing data connection.
I will try the battery saver app. Just got battery calibrated and still not any better. My need to have a phone that doesn't suck will keep me playing with this thing until I get it right. My Charge is used so much it's like my third hand.
Click to expand...
Click to collapse
Did you try to disable(freeze) SDM app and also Google service? May need to backup all your apps and do a factory/data reset, If not help, possible to re ODIN factory image (see pos # 5) since you have data drop issue. Some thing is mess up in your OS.
For betterbatterystats look at wakelock and see what process used the most.
If it died overnight then something is definitely eating your battery. Are you in a low signal environment? Go to settings, about phone, then battery usage. If anything besides display is taking more than around 5-10% (can be more if you use it a lot) then that's your main problem. If your cell standby is more than 25% it's the low signal that's killing the battery.
Sent from my SCH-I510 using xda premium
Data is up and running smooth after flashing newest tweakstock. My home has a strong signal and my bedroom is sometimes 4G so I don't believe the signal was low, unless the transition between radios killed it. However, it wasn't a problem 3 weeks ago.
I did freeze SDM and noticed some improvement. Buhohitr, did you mean freeze Google services framework?
Battery usage seems to be normal for now. I am noticing Dolphin is no Singer sucking down 35% or more since I switched to Mini. It doesn't even show up on the list.
I'll see how it goes today and report back on wakelocks. If it doesn't get any Beyer ima Odin to stock and root/flash tweakstock again.
Also, the battery doesn't drain unusually fast wile in use, browsing, music, etc. But when it sits it drains at 3-4% an hour.
I would try manually calibrating your battery. It really worked for me. On average I get about 18-19 hours on one charge with medium to heavy data usage throughout the day. There is a thread in the General section.. I'll post a link in a little bit.
EDIT: Here is the link. It's a stickie but I figured I'd save you a little extra time. http://forum.xda-developers.com/showthread.php?t=1187698
Sent from my Tweaked Droid Charge using XDA App
ewh1292 said:
I would try manually calibrating your battery. It really worked for me. On average I get about 18-19 hours on one charge with medium to heavy data usage throughout the day. There is a thread in the General section.. I'll post a link in a little bit.
EDIT: Here is the link. It's a stickie but I figured I'd save you a little extra time. http://forum.xda-developers.com/showthread.php?t=1187698
Sent from my Tweaked Droid Charge using XDA App
Click to expand...
Click to collapse
Wiping battery stats is a complete placebo. All the battery stats stores is the state of apps as related to various things that affect battery life (like display on time, screen brightness over time, and wakelock states). It does nothing that will actually affect your battery life one iota. It is actually cleared every time you charge your battery to 100%, so manually wiping it is completely pointless.
https://plus.google.com/u/0/105051985738280261832/posts/FV3LVtdVxPT
shrike1978 said:
Wiping battery stats is a complete placebo. All the battery stats stores is the state of apps as related to various things that affect battery life (like display on time, screen brightness over time, and wakelock states). It does nothing that will actually affect your battery life one iota. It is actually cleared every time you charge your battery to 100%, so manually wiping it is completely pointless.
https://plus.google.com/u/0/105051985738280261832/posts/FV3LVtdVxPT
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Click to collapse
I'm well aware of the post of Dianne Hackborn debunking the myth of wiping the battery stats; however, if you actually read the post on the steps to calibrating your battery, it's not just wiping your battery stats. There's actually a few more steps involved. You're right though, if you just wipe the battery stats and expect better battery life you're just wasting your time.
Sent from my Tweaked Droid Charge using XDA App
donkason said:
Data is up and running smooth after flashing newest tweakstock. My home has a strong signal and my bedroom is sometimes 4G so I don't believe the signal was low, unless the transition between radios killed it. However, it wasn't a problem 3 weeks ago.
I did freeze SDM and noticed some improvement. Buhohitr, did you mean freeze Google services framework?
Battery usage seems to be normal for now. I am noticing Dolphin is no Singer sucking down 35% or more since I switched to Mini. It doesn't even show up on the list.
I'll see how it goes today and report back on wakelocks. If it doesn't get any Beyer ima Odin to stock and root/flash tweakstock again.
Also, the battery doesn't drain unusually fast wile in use, browsing, music, etc. But when it sits it drains at 3-4% an hour.
Click to expand...
Click to collapse
To disable Google Service, go to settings -> location&security and uncheck Google service. Do not freeze Google framework. Also seems like your phone is not in deep sleep, please install "battery saver" by Antutu and let it works for 24 hrs, you should see huge different when your phone is sleeping. BTW what kernel are you using? If you're using PBJ kernel you can install "CPU tuner" to further keep your phone in deep sleep. I'm talking about 1% for 3 hrs sleeping.
I'm curious as to what Battery Saver actually does. The app's market page doesn't say. I'd be curious if it would interfere with my IMAP push email or SetCPU's overclock settings.
ewh1292 said:
I'm well aware of the post of Dianne Hackborn debunking the myth of wiping the battery stats; however, if you actually read the post on the steps to calibrating your battery, it's not just wiping your battery stats. There's actually a few more steps involved. You're right though, if you just wipe the battery stats and expect better battery life you're just wasting your time.
Sent from my Tweaked Droid Charge using XDA App
Click to expand...
Click to collapse
I've done that and never seen an actual difference. Like I said before, I have no reason to believe that any of it is anything other than placebo. My normal daily variability in use is more than enough to account for any perceived differences. On top of it all, bump charging is not good for a Li-Ion battery, so if anything, those instructions are a good example of how to lose long-term battery life for short term gain.
shrike1978 said:
I've done that and never seen an actual difference. Like I said before, I have no reason to believe that any of it is anything other than placebo. My normal daily variability in use is more than enough to account for any perceived differences. On top of it all, bump charging is not good for a Li-Ion battery, so if anything, those instructions are a good example of how to lose long-term battery life for short term gain.
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Click to collapse
Personally, I believe that most of the time the procedure does nothing. I think there are times, though, that corrupt data gets into the battery stats. For instance, I had an app lock up my phone and force a hard boot. When the phone came back up, it showed 22% more battery than it had previously. I believe that bad data such as this can over time affect how Android reads your battery life. In that instance, I believe clearing battery stats would help. I don't think doing it just because a new ROM was flashed actually does anything, though.

[Q] How to increase battery life?

hey im a noob here so im sorry if this has been asked before but right now i upgraded my phone to ics and the battery life is horrible and im too cheap to get a battery extender so is there anything i can do to improve it or am i just going to have to deal with it?
Get your phone to 100% battery and then just play whatever you like until it completely dies. Then, plug it in to charge and dont touch it until it gets back up to 100%. That is supposed to increase the battery lasting time by 20%. It only works once...so dont do it 5 times hoping for results. This is supposed to be done when you first get the phone, but if its never been you've never done it, its worth the shot.
Sent from my SGH-T959V using xda app-developers app
rygtuu said:
hey im a noob here so im sorry if this has been asked before but right now i upgraded my phone to ics and the battery life is horrible and im too cheap to get a battery extender so is there anything i can do to improve it or am i just going to have to deal with it?
Click to expand...
Click to collapse
Let the ROM 'soak' in. It'll get better. You are probably busy messing with it figuring out all the features which is normal and makes the battery seem terrible. But overall it is pretty good.
And the post above is an old wives tale these days. It's funny to read people still recommending it.
lumin30 said:
Let the ROM 'soak' in. It'll get better. You are probably busy messing with it figuring out all the features which is normal and makes the battery seem terrible. But overall it is pretty good.
And the post above is an old wives tale these days. It's funny to read people still recommending it.
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Click to collapse
Kinda, when you first flash with a factory reset, you don't have a battery stats file. This is another good reason to flash when your battery is 100% charged. When Senior Members here say "soak in", they are saying that the first boot all of the system apk (application packages) are cached to /cache. Doing too much while these apps are being cached screws up the statistics of the battery stats. If I really want good battery life, I totally wipe, and let the phone sit for 10-15 minutes. I leave usb plugged in till it's 100%, then pull the usb and use the phone until it totally dies.
By this time, the day is over and it needs to be charged anyways. I plug it into the charger before bed and let it charge up all the way with nothing running (no wifi, no bt, no background apps running).
After that charge, battery life seems soo much better. ymmv. it would be good to know if that works for you too.
Otherwise, everyone uses their phone differently, and some people install stupid apps that have intensive background services running that eat batteries, then complain about the rom sucking instead of introspecting about how they use their phone.
bhundven said:
Kinda, when you first flash with a factory reset, you don't have a battery stats file. This is another good reason to flash when your battery is 100% charged. When Senior Members here say "soak in", they are saying that the first boot all of the system apk (application packages) are cached to /cache. Doing too much while these apps are being cached screws up the statistics of the battery stats.
Click to expand...
Click to collapse
Just to clarify - battery stats file have nothing to do with battery performance and the battery stat file "is reset every time you unplug from power with a relatively full charge (thus why the battery usage UI data resets at that point)." Google Engineer Dianne Hackborn
ahh ok thanks guys ill do what you guys said and see if it helps
you can also install one of the battery saver apps on the market, like juice defender or similar. They will typically help and some can control how often background services are allowed to collect data.
mike-y said:
you can also install one of the battery saver apps on the market, like juice defender or similar. They will typically help and some can control how often background services are allowed to collect data.
Click to expand...
Click to collapse
These arent as helpful as they use to be. I have seen and challenged people to run with and without and the added battery life is either very minimal or actually worse with these apps.
Battery saver apps where created when android was very young and had bad management of the battery power. The way it works now it should lower the power to the radios low enough to save battery but not completely shut off the radios. Shutting them off will actually harm battery life because it takes so much more power to turn them on and off repeatedly then to let them idle.
no i think it was more designed for froyo and gb because if you try those battery savers in froyo or gb you can see it works and battery last long but if you test it in ics or jb (i have test juice defender with jb in the sgs3) and what i can see its that sometimes it lags (not always just when you like two or three apps open which for me in the sgs3 was weird) and data sometimes hangs i mean it doesn't load pages
Sent from my SGH-T959V using Tapatalk 2
Download Gemini from the play store and manage the autorun for apps. That's what I do and it saves quite a bit of battery
Sent from my SGH-T959V using xda app-developers app
solrac1212 said:
no i think it was more designed for froyo and gb because if you try those battery savers in froyo or gb you can see it works and battery last long but if you test it in ics or jb (i have test juice defender with jb in the sgs3) and what i can see its that sometimes it lags (not always just when you like two or three apps open which for me in the sgs3 was weird) and data sometimes hangs i mean it doesn't load pages
Sent from my SGH-T959V using Tapatalk 2
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Click to collapse
Ill agree with you on froyo but gingerbread towards the end was much better.
The biggest thing is people dont realize how much power is used to start and stop things. Letting them idle will use battery but not nearly as much if you start and stop many times a day. Now at night if you want to turn off those things then yeah go for it. But if you are a frequent phone checker then starting and stopping them everytime will chew through the battery.
A good example is this, its summertime go outside and look at your electric meter when the ac first turns on. It will spin reeal fast for a minute or so while the system gets everything going then it will slow down. This same thing applies to your phone and its radios. Each time you shut it off it has to go through a process so you dont get corrupted data. And when you turn it on it has to use a lot of battery to make sure things dont get messed up and get to the proper operating form.
So any app that shuts off the radios manually and such will end up costing you battery if you are a power user.
If you can follow the steps exactly as i wrote them, then install the team FAH-Q kernel found in the dev section...
Sent from my SGH-I727 using xda app-developers app
thomas.raines said:
If you can follow the steps exactly as i wrote them, then install the team FAH-Q kernel found in the dev section...
Sent from my SGH-I727 using xda app-developers app
Click to expand...
Click to collapse
I put FAH-Q kernal on AOKP and it seemed to help a bit. I was using systempanel and it said facebook was sucking cpu at night while the phone was resting... so i took off facebook for the moment to see if any other apps/processes could be causing a drain.
side note:
I spend 15-20 min in the morning going through stuff on my phone. Then I will listen to music in the car on my way to work 35 min. My phone will be at 80% by the time i walk in to work. I check things during the work day once and a while and by 2pm I will be around 40%. leaving work I will have 35-30% .... ok i'll just quit now and say running 12hrs i will have about 15% left. I think I am an average phone user. not sure how much everyone else uses theirs.
justiz33 said:
I put FAH-Q kernal on AOKP and it seemed to help a bit. I was using systempanel and it said facebook was sucking cpu at night while the phone was resting... so i took off facebook for the moment to see if any other apps/processes could be causing a drain.
side note:
I spend 15-20 min in the morning going through stuff on my phone. Then I will listen to music in the car on my way to work 35 min. My phone will be at 80% by the time i walk in to work. I check things during the work day once and a while and by 2pm I will be around 40%. leaving work I will have 35-30% .... ok i'll just quit now and say running 12hrs i will have about 15% left. I think I am an average phone user. not sure how much everyone else uses theirs.
Click to expand...
Click to collapse
Music soaks up a lot of battery as well as display, data, and sync. You can try turning off sync and data when you don't need them. But it sounds like you are doing better. I am still concerned with what else you have running in the background though... however, 12-16 hours isn't bad at all...
Sent from my SGH-I727 using xda app-developers app
bhundven said:
.... If I really want good battery life, I totally wipe, and let the phone sit for 10-15 minutes. I leave usb plugged in till it's 100%, then pull the usb and use the phone until it totally dies.
Click to expand...
Click to collapse
What do you mean by totally wipe? do you mean go into recovery to wipe data, cache, and davlik cache? then restore after the battery is fully charged?
HKSpeed said:
What do you mean by totally wipe? do you mean go into recovery to wipe data, cache, and davlik cache? then restore after the battery is fully charged?
Click to expand...
Click to collapse
Yes, as well as /system/ and at least .android_secure on your microSD
I would recommend against fully discharging your battery as a matter of course. While this might have been useful in the days of NiCads, deep discharges and heat are the Kryptonite of LiIon batteries.

[Q] All the sudden can't get past 1 hour screen on time?

Hey guys, for whatever reason I cannot get past an hour to an hour and a half screen on time per charge. I used to be able to consistently get 3 but for whatever reason that no longer seems to be the case. I use CM 10.1, usually the official but sometimes mastamoon's build. Intially I thought my battery went bad but even after replacing it with a new one I've seen no real difference. I actually replaced the phone once as well but still to no avail. Any ideas?
What's eating most of your battery? Do you have Better Battery Stats it has more specific info on wakelocks.
If you have no significant wakelocks first thing I would try is a different ROM/kernel combo. TouchWiz roms generally get better battery life than AOSP.
BattsNotIncld said:
What's eating most of your battery? Do you have Better Battery Stats it has more specific info on wakelocks.
If you have no significant wakelocks first thing I would try is a different ROM/kernel combo. TouchWiz roms generally get better battery life than AOSP.
Click to expand...
Click to collapse
Yeah, but it seems like people usually end up getting better battery life on AOSP ROMs than I am. I haven't checked this iteration of CM but usually it's screen on time eating most of it and wake-locks doesn't seem to be an issue. It just drains super fast, especially with even 5 minute phone calls. I'm in the middle of Cleveland so signal shouldn't be an issue. Although it is usually yellow on the graph.
I would definitely install BetterBatteryStats and see what that shows you. I only run AOSP roms and while battery life isn't great its nowhere near that bad.
I'm having the same issue. No big wake locks, my phone just dies really fast. Running latest AOKP nightly with latest KT747 kernel
Sent from my SCH-I535 using xda app-developers app
So here are some pictures from my dreadful battery life. More to come. Anyone see anything? I'm not sure what deleted wake locks is.
Slacker101 said:
So here are some pictures from my dreadful battery life. More to come. Anyone see anything? I'm not sure what deleted wake locks is.
Click to expand...
Click to collapse
So those were yesterday, here is today. Noticeably less talk time but I hit that magic 1hr screen on time.
The only thing I can get from that is your poor signal, it's simply destroying your battery. I don't see anything else that could be the problem besides a bad battery.
Sent from my SCH-I535 using Tapatalk 4 Beta
thesoldier said:
The only thing I can get from that is your poor signal, it's simply destroying your battery. I don't see anything else that could be the problem besides a bad battery.
Sent from my SCH-I535 using Tapatalk 4 Beta
Click to expand...
Click to collapse
****ed up thing is I live in Cleveland and work down town yet sometimes this phone refuses to get signal. It's really frustrating that it's also killing my battery.
Sent from my SCH-I535 using xda premium
Slacker101 said:
****ed up thing is I live in Cleveland and work down town yet sometimes this phone refuses to get signal. It's really frustrating that it's also killing my battery.
Sent from my SCH-I535 using xda premium
Click to expand...
Click to collapse
I also think it's mostly due to signal loss. You have an 8 hour no data connection. That entire time your phone is looking for a signal and killing your battery. I highly recommend trying to use a touchwiz rom, doesn't really matter which one. I used to use cm10 but it would drop my signal constantly. From my experience, touchwiz roms are much more stable when it comes to holding a phone signal.
There are some amazing devs who've made some cool aosp features and customizations built into touchwiz roms. Some highly customizable roms are goodness and hyperdrive. In my opinion, pair one of those with nova launcher and you'd get a very aosp like experience with the stability of touchwiz.
I also recently flashed the mb1 firmware, that's giving me slight increases in signal strength. Might just be a placebo affect, but I think it helps.
Sent from my SCH-I535 using Tapatalk 2
You might have to try a touchwiz Rom. My battery is at 77% after extensive use for an hour and 40 minutes.
jmxc23 said:
You might have to try a touchwiz Rom. My battery is at 77% after extensive use for an hour and 40 minutes.
Click to expand...
Click to collapse
I am having a similar issue with stock, verizon OS. There was a system update just a couple days ago through verizon, and I installed it, ever since then it's been horrible. My battery usage blames it on "Media Server" though. Not really sure if it's related, but wanted to let you know in case it might help someone trouble shoot. Also, I noticed that since the update, my 4G icon in the top is on at the same time as my Wifi icon, which previously was just one or the other depending on if I was connected to Wifi or not.
johnwilliame said:
I am having a similar issue it with stock, verizon OS. There was a system update just a couple days ago through verizon, and I installed it, ever since then it's been horrible. My battery usage blames it on "Media Server" though. Not really sure if it's related, but wanted to let you know in case it might help someone trouble shoot. Also, I noticed that since the update, my 4G icon in the top is on at the same time as my Wifi icon, which previously was just one or the other depending on if I was connected to Wifi or not.
Click to expand...
Click to collapse
Just disable the caller id app and the 4G icon won't show up. Also I don't think you get my post as I said extensive meaning watching movies and playing games with out any screen off time all in an hour and 40 minutes the person who started this thread is on an AOSP ROM and is getting the same. The main difference is I still had 2/3 of battery life left while his battery is dying or dead. Right now I have been on this phone for 3 hours and have about 60% of battery life left. I don't have a media server problem and on a custom touchwiz ROM with a custom kernel.
Usually the ROM is not a factor, its one of two things 99% of the time,.
1. a rogue app, that won't stop looking for location or data or is just hung
2. Poor or lost signal and the phone keeps boosting power to stay attached or search for signal;
Slacker101 said:
So those were yesterday, here is today. Noticeably less talk time but I hit that magic 1hr screen on time.
Click to expand...
Click to collapse
Edit: As many have pointed out by now,
It appears that you are not getting the best cell signal on your phone. From personal experience, I can tell you that bad reception takes a huge toll on battery life.
You could try switching modems/roms to see if that will solve your problem. In my experience, I have gotten better signal using a TouchWiz ROM. However, I do miss the lag-freeness of CM

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