Database Develop

[Q] Battery Life on Froyo (Dream/Sapphire)

Simple Poll.
Have you seen a decrease or increase?

Someone can explain this battery drain?
in a lot of roms based on 2.2.1 there is a big battery drain, in some other there isn't.

nagash91 said:
Someone can explain this battery drain?
in a lot of roms based on 2.2.1 there is a big battery drain, in some other there isn't.
Click to expand...
Click to collapse
Reboot after unplugging from USB and battery drain is gone. For further improvement install SetCPU and reduce min/max frequency. I am getting more or less the same lifetime as with donut ROMs.

AndDiSa said:
Reboot after unplugging from USB and battery drain is gone. For further improvement install SetCPU and reduce min/max frequency. I am getting more or less the same lifetime as with donut ROMs.
Click to expand...
Click to collapse
OK I have done.. but the problem is that when I use it 3 o 4 minutes (for example I install an application using a file explorer, then I read a message and then I come back to home) m battery get 5% lower...
In standby I lose 10% in 6 - 7 hours (I think this is normal).

AndDiSa said:
Reboot after unplugging from USB and battery drain is gone. For further improvement install SetCPU and reduce min/max frequency. I am getting more or less the same lifetime as with donut ROMs.
Click to expand...
Click to collapse
I am currently without a computer therefore immune to this USB bug. I flashed CM6.1 to this and the other g1 and both suffered substaintial amounts of battery drain so I nandroid restored back to CSDIv4 and still the lowest frequencies and settings did little to combat the descending digits. So I tried this...
Recalibrated my battery
Flashed SuperWipe.zip
Reboot
Flashed SparksMod's latest
Reboot
Wiped battery stats
Unplugged...reboot
Battery lasted 23 hours the first day never seen anything like it.
Lifes great.
Sent from my HTC Grandaddy via XDA app
Sent from my HTC Grandaddy via XDA app

I'm using TMUS-G1-Froyo CM6 remix..
and I'm using the new radio with +14mb.
The rom flies but the battery go down too fast.
I'm using setCPU with 256 - 528 mhz while screen is on, 122 - 256 mhz while screen off.
If I go to battery use in settings I see
Cell standby 45%
display 28%
phone idle 22%
android system 3%
I don't think is normal... cell standby is the battery use by cell radio..
I wonder if the new radio give a big battery drain..

nagash91 said:
I'm using TMUS-G1-Froyo CM6 remix..
and I'm using the new radio with +14mb.
The rom flies but the battery go down too fast.
I'm using setCPU with 256 - 528 mhz while screen is on, 122 - 256 mhz while screen off.
If I go to battery use in settings I see
Cell standby 45%
display 28%
phone idle 22%
android system 3%
I don't think is normal... cell standby is the battery use by cell radio..
I wonder if the new radio give a big battery drain..
Click to expand...
Click to collapse
I got real excited when I heard about the new radio and hboot even thought that its exclusion was the source of the the battery issues. Haven't been able to try it as I'm without a up-to-date PC at the moment.
It would be real nice if I could find a seasoned dev who understands battery consumption. I thought the kernal was the main culprit but I've tried two different roms with the same kernal and one has notably better battery life than the other. So confusing.
Sent from my HTC Grandaddy via XDA app

I can't use my phone with this battery drain...
I will come back to official android OTA-AOSP 1.6.. with +14mb.
So I'll test if this kernel with 14mb is a cause of battery drain.
PS: I'm not a lover of rom customizations.. I think the official roms are the best.
The other are all too heavy. I'm not a fan of cm kernel, that is too heavy for g1.
I would see an official OTA 2.2 without customizations, so every one could customize as he want, and if he want.
PS: OK I flashed AOSP 1.6 using ezBiff_kernel to have 15mb (cause I have new radio and spl, so I can flash roms only using this kernel).
Result: my battery life is similar to froyo 2.2 roms... so the problem is:
1) Kernel? (ezBiff_kernel is based on cyanomod kernel... ... ... heavy as death)
2) New radio/spl?
3) My battery (I don't think so.. it's new battery. I buy it 2 weeks ago and in the beginning it works so well.. but then I flashed new radio/spl and new kernel for 15mb..)

nagash91 said:
1) Kernel? (ezBiff_kernel is based on cyanomod kernel... ... ... heavy as death)
Click to expand...
Click to collapse
Come now.. the cm pershoot kernels are super optimized so they don't collapse under the heavy as death rom that is usually on top of it..
I get mixed results with that kernel between testing and feedback.
A test phone can idle on wifi+2g for days on the stock g1 battery even after a usb unplug.. but on more common use with syncing services its not performing as well as I'd like..
Some of it is fixed with less swap/compcache or changing clock speeds 122/480 for most the speed but lower voltage levels. Also the interactive governor may work better.. I'm testing these ideas if results are good my next kernels defaults will use them.
Cm/pershoot have some interesting new power management code from other htc devices.. So hopefully soon all will be better. (I merged most of it to my kernel but there are some loose ends.. works well untill the phone locks up.. so no public release yet)

ezterry said:
Come now.. the cm pershoot kernels are super optimized so they don't collapse under the heavy as death rom that is usually on top of it..
I get mixed results with that kernel between testing and feedback.
A test phone can idle on wifi+2g for days on the stock g1 battery even after a usb unplug.. but on more common use with syncing services its not performing as well as I'd like..
Some of it is fixed with less swap/compcache or changing clock speeds 122/480 for most the speed but lower voltage levels. Also the interactive governor may work better.. I'm testing these ideas if results are good my next kernels defaults will use them.
Click to expand...
Click to collapse
Ok sorry I talk without knowledge. I really don't know the effect of the cm kernel. I only know that all roms based on cm release, with cm kernel, are so heavy and slow.
I like your rom (2.2.1 AOSP) and I love your new way to get 14mb.
But I have this orrible problem. My phone has a lot of battery drain when I use it. With screen off, no problems.
I have never used swap or compcache in this days, and I also try different clock speeds (not over 528mhz).
The result is that when I unlock my phone, I go to settings, I see for example 95% battery. Ok, I return to home, I open a message, I return to home, I open contacts and I scroll some contacts without make calls.
Then I come back to battery settings and I see that is 92-93%..
in 2 minutes of soft use.. I think this is impossible. If I open stupids 2D games... ahah in 5-10 minutes my battery lose 10 - 20%.
I remember 1 year ago, with 1.6 (no cyanomod) my battery was good.
Now it isn't (I have a new battery).
Today I flashed aosp 1.6 with your kernel for 14mb (I have new radio&spl) but nothing... I lose a lot of battery percent as in froyo.
So I think problem is or battery calibration, or something to wipe, or cm kernel, or new radio&spl + your new kernel...
Now I'm recalibrating battery (is at 1% from 2 hours, I'm not using it.. ) then I will recharge for 8 - 9 hours and then wipe battery state, but I have done this process a lot of time without a benefit.
I'll try to remove the new radio+spl (so also using standard kernel) if my battery continue to lose percents so fast.
I'll keep you update on my "story".
PS: Sorry for my bad english!! XD

OK.. after a day of low discharging and a night of 8 hour of recharging, I wiped battery states, I wiped data-cache-ext ecc... I flashed aosp 1.6 and ezbiff kernel..
"battery drain" continue...
I will try tomorrow to reflash death-spl and old radio..
BTW, is normal for hours battery 4v at 90%?
On the back of the battery sais 3.7v... I thought 3.7 was the voltage for 100%

Update
I know this thread is a little old, but I ran into this problem as well. What I found was that the official US radio (2.22.23.02) used considerably more battery than the international one (2.22.19.26i). The other thing I noticed is that switching to "use 2G networks only" in mobile networks settings and disabling data over mobile drastically improved battery life.
I also noticed that wifi used a fair bit of juice so my recommendation is to disable wifi if you're going to be on the go for a bit, and disable data/3g if you're just going to be hanging out in the local webcafe, your/a friend's house, or some other location with wifi access for a while.
If you wanted to be ambitious and cared enough you could write a script to use as a shortcut on the home screen to do the swap automatically (detect which setting(s) are enabled and swap them to the opposite).
With those changes, you should get much better battery life. My thoughts on different Froyo flavors is that possibly different builds have different settings by default. Cyanogen comes with data and 3g enabled by default so this will quickly suck out your battery if you're running your 3g, 2g and wifi antennas all at once.
The stock build (1.6) got about the same battery life as I'm getting now with those settings applied. With either build, having all antennas on all the time will drain your battery very rapidly. Being a little more cognizant of the settings (perhaps you also had it set to 2g only on the stock build) you're using will significantly improve your battery life. And when I say significantly, I mean night and day (but the antenna version definitely does also make a difference... at least in my case).

4.2.2 kernel for improving battery life?

Hello folks,
I got a SGS with carbon custom rom. It is running Android 4.2.2 . My battery life is pretty bad, i lose like 30% over night. I already reduced screen brightness but mobile standby still eats a lot of battery.
Would a new kernel solve my issue? Can someone recommend one, please?
Thank you.

ms_green said:
Hello folks,
I got a SGS with carbon custom rom. It is running Android 4.2.2 . My battery life is pretty bad, i lose like 30% over night. I already reduced screen brightness but mobile standby still eats a lot of battery.
Would a new kernel solve my issue? Can someone recommend one, please?
Thank you.
Click to expand...
Click to collapse
It's not kernel. Install gsam Battery Monitor and check which apps are draining your battery. And check your wakelocks .
Try to greenify apps like viber, facebook etc
As you are also using 4.2.2 it has battery drain fast bug.
Sent from my iPhone using Tapatalk

I use Semaphore on CM 10.2 (Android 4.3.1) but it is available for 4.2.2 and there are spme option for explame, deep sleep, maxbe it can help you ...
ms_green said:
Hello folks,
I got a SGS with carbon custom rom. It is running Android 4.2.2 . My battery life is pretty bad, i lose like 30% over night. I already reduced screen brightness but mobile standby still eats a lot of battery.
Would a new kernel solve my issue? Can someone recommend one, please?
Thank you.
Click to expand...
Click to collapse

ms_green said:
Hello folks,
I got a SGS with carbon custom rom. It is running Android 4.2.2 . My battery life is pretty bad, i lose like 30% over night. I already reduced screen brightness but mobile standby still eats a lot of battery.
Would a new kernel solve my issue? Can someone recommend one, please?
Thank you.
Click to expand...
Click to collapse
4.2.2 based ROMs have in general very high battery consumption. On the i9000 4.2.2 gives the very shortest battery life.
CM10.2 works much better, provides around 50% longer battery life and is faster

Thanks for your answers. I checked battery usage and wakelocks but there are no abnormalities. The highest amount of wake lock is caused by exchange but it doesn't seem to be the culprit of my battery problem. The device is awake only 9% of the time.
I found that mobile data causes the drain. When turning it on and tethering the connection I lose half my battery within 20 minutes. The battery usage is about the same when only using mobile data, without the tether.
I have installed semaphore, it gives me excellent standby times when not using mobile data...(2% over night)
2 questions: would flashing a new modem/radio solve my problem?
Is 4.3 suitable for daily usage? My current ROM is very stable and I wouldn't want to upgrade to 4.3 if it doesn't work well.
Also, I need tethering, does that work on cm10.2?
Thank you
UPDATE: I flashed Android 4.3, semaphore kernel and a new modem. I will observe the battery consumption over the next few days.

Battery drain on Lollipop 5.1.1 Build 14.6.A.1.216

Hello everyone
I recently bought a used Xperia Z1 (C6903), which came with Lollipop 5.0.2 installed (Build .270). It has a defective screen, which is going to be replaced shortly. I mostly use it with a mouse via USB. Other than that, it is perfectly fine.
On Thursday, I inserted my SIM card on the device and installed the latest build available for this device, which is 14.6.A.1.216 (Lollipop 5.1.1) via Flashtool, making sure I did a factory reset. On Friday, I rooted it using KingRoot (promptly replacing it with SuperSU) and, as I did my research first, installed Wakelock Detector to compare the battery between each Android version. On 5.0.2 battery was pretty good, maybe because the phone didn't have the SIM card inserted, but still used WiFi and had a lot of apps which were left by the previous owner (Such as Facebook and FB Messenger, which both are battery hoggers). Even then, the phone had tremendously good battery, managing to reach 3 days on a full charge (I observed that before buying it). The only problem was that the phone overheated a bit.
Now that I have installed 5.1.1, things got worse. The only good things are that the overheating problem is gone and the performance seems a bit better. However I saw that for many, the battery was way better on 5.1.1 than on 5.0.2. This isn't the case for me. The battery drops approximately 1% each 30 minutes, with the screen off. I don't have mobile data on, as I always use WiFi, so the radio active bug doesn't affect me (right?). I have disabled most, if not all useless apps or things that would keep using the phone's resources. I disabled them, not uninstalled them because the phone has a problem with root permissions, saying that system is not mounted as R/W but still giving apps root access and they can disabled apps just fine. Currently I have none of my apps installed with the exception of Wakelock Detector, thanks to the battery drain and the defective screen which prevent me from doing much. STAMINA mode is on, but I don't notice it working too well, as it doesn't turn WiFi off when the screen is off, even though that option is turned on. I cannot deliver an exact screen on time as don't use the phone that much, but it is average 3-4 hours.
Wakelock Detector tells me that the phone has been awake by 12%, even though there aren't any wakelocks nor apps that would take batery. I would have tried with BetterBatteryStats but it is a bit confusing to use for me. Most people here on this phone's XDA forum complain about the battery in Lollipop, but Kitkat has provided them very good battery life.
Is there any way to fix this? I will provide anything that is asked, such as screenshots of Wakelock Detector, etc.
Should I downgrade to 4.4.4? (Build .157 or whichever you recommend) or perhaps install a custom rom based on 4.4.4, like iHackers? I would test them myself, as it is the best way of telling the difference, but I have a very bad connection and downloading files over 1GB+ takes 5 or 6 hours, only if it doesn't disconnect automatically. The most important things for me are the performance of the phone and the battery life.
Thanks in advance, and sorry for my bad english.

bloodofJesus said:
use mx rom
Click to expand...
Click to collapse
Right. I will use it, thanks for the tip. As you have to downgrade to KitKat in order to install custom recoveries and the like, I already did so. And I discovered something new, which wasn't on Lollipop. KitKat's battery stats show that 39% of the phone's battery is used up by the screen, even though I barely use it and it is on the lowest brightness possible. Other than that, another culprit is the mobile signal, which shows a high usage of battery.
EDIT: I have now installed the rom and indeed, the battery problems seem to be gone. Battery isn't dropping as it did, and Wakelock Detector says that the phone is now 1-2% awake

At 1 point, 5.0.2 had a lot of battery problems and performance issues
Are u facing any on MX now ?
-----------------------------------------------------
Tapatalked from Sony Xperia Z1
Stock JB 4.4.4 | Root | Deodex | Cam Mods | Dalvik/Bionic

So far, battery has been perfect the phone easily lasts 1 day and still has 40% left. I guess that could be better, but I am satisfied with it
One thing I have noticed is that even though the ROM has much bettery battery management than the stock rom, it feels somehow slower. In developer options, the "Force GPU rendering for 2D" option is enabled. I disabled it and weirdly, the phone seems to be faster and smoother, like it was before. The opposite of this should be happening, as I've read that it instead makes the phone smoother than having it ticked off

bloodofJesus said:
None, especially since the latest firmware was used. try chaning your kernel, I use Advanced Kernel, thought the latest has a chinese/japanese twrp recovery, he might fix that in the next version.
Click to expand...
Click to collapse
Hi
I've reflashed the ROM, stock kernel and now it seems perfect.
What does advanced kernel offer in your honest opinion than the stock kernel
-----------------------------------------------------
Tapatalked from Sony Xperia Z1
Stock LP 5.1.1 | Root | Deodex | Cam Mods | MX ROM

I normally would test stock, then go ahead testing a custom advanced kernel and compare the findings and differences over a few days of usage.
However, will be using stock for now as it hasn't given me any real problems with performance and battery
-----------------------------------------------------
Tapatalked from Sony Xperia Z1
Stock LP 5.1.1 | Root | Deodex | Cam Mods | MX ROM

bloodofJesus said:
use mx rom
Click to expand...
Click to collapse
Are you using mx rom? If so could you please upload a screenshot of your battery usage stats?

bloodofJesus said:
I'm not using mx rom anymore, I decided to use a customized stock rom from scratch, sorry.
Click to expand...
Click to collapse
Why did you change? I just installed mx rom now! Seems pretty good so far, but still too early to comment on the battery

There's no such issue with this update.

I'm sorry to say this, but things are now where they were before I flashed MX Rom
Three days ago the battery started draining like before, with high usage of the process "Android System", approximately 30%. The screen also has high usage, but really shouldn't as screen on time is barely one hour. I also learned how to properly use BetterBatteryStats, and it reports that the device has 100% no or unknown signal. The phone also is doing weird beep sounds around the camera area. I've factory reset the device, but it didn't do anything. In fact, it is worse now. Battery drain is approximately 3% an hour. And that is with WiFi, Mobile Data and almost everything else off. I also don't have any apps installed. The same happens with Android Kitkat. A lot of apps are also disabled.

[i9001] 5.1 too slow, 4.4 drains battery like hell

I have this i9001 and I want to flash it with something that makes it moderately useful. I used to had CM 12.1 which is Android 5.1 and the problem is that its too damn slow. I tried disabling high end graphics card, limitting apps and background processes to 4 but its just too slow. I have to say that the battery life is very good with this, in one night goes from 98 to 91%.
Now, to make it faster I tried CM 11, which is android 4.4.4, its certainly faster but drains the battery like hell. I tried the same, limit process and services to 4, disabled wifi, mobile data, obviously disabled location but it drains the battery. In one night goes from 99% to 70%, totally idle.
So my question is, is there anything else? I prefer 5.1 but its too slow... Could be any modified kernels out there to solve this? The same with 4.4, is there any kernel or something that helps with the battery life?
Thanks

Battery draining

My battery drains so quickly
android system consumes 30% of it
screen on time is 2 hours
I tried everything i changed the battery changed the rom (custom -official )
and still the same issue I don't know what to do

I use the resurrection remix 7.2, with no problems. I did find my battery life going down faster with 7.4. Could you try 7.2 with minimum apps extra installed? Then you can figure out if it is something you've installed or if something is wrong with the battery.

I have the same problem
Waiting for solution
I already changed battery and rom miui stable and almost every rom in xda and problem continues ...
Please devs help us