Originally Posted by Posklapenzi
Hello, I rooted and flashed CM and now AOKP. Under both, my battery life is low compared to when I had stock.
I have not flashed my radio or kernel, maybe that's it? I noticed my network signal is kind of low, too.
Here's a shot of my battery life:
And here's my BBS log: https://dl.dropboxusercontent.com/u/..._002712036.txt
I'm always on wifi, always was and never had problems with that. Didn't install any new apps I didn't have before root apart from UCCW and the holo glass theme with an icon pack, everything else (which is not much, maybe a few more apps along with gapps) was there before.
I am at your mercy , android gods.
I read your log. These are the major consumers of your battery:
Wifi On (): 8 h 37 m 18 s (31038 s) Ratio: 100.0%
Wifi Running (): 8 h 37 m 18 s (31038 s) Ratio: 100.0%
No Data Connection (): 8 h 37 m 18 s (31038 s) Ratio: 100.0%
No or Unknown Signal (): 8 h 37 m 18 s (31038 s) Ratio: 100.0%
Since you already know that wifi is not an issue, then the other would have been the cause.
Low network signal is one of the causes of low battery life. When the network signal is low, your cellphone increases its transmitting power incrementally until it gets a signal of a preset threshold (set by the radio). It will keep on transmitting at frequent intervals to establish a link with the cellular base station, and this is where the battery consumption lies. When a cellphone transmits, it uses as much as 15 time more power than when it is just on receive mode. You could try the following steps to narrow down to where the problem lies.
1. If you have always been in the same location before and after flashing the new ROM, then it could be the network provider's problem because the cellular base station may not be working properly, hence the low signal. Ask around someone else around you who is on the same network and see it he also have this low signal problem. If others have the same problem, then call the network provider to complain.
2. If you have changed location since flashing, then you might be in a location that has low signal levels. Again, you can also check with others if they encounter the similar problems. Same as above, call the network provider to complain.
3. If others around you do not have network signal issues and you are the only one, then it is probably the ROM. If you can, revert to the OEM and compare. If, after reverting to OEM and the problem still exist, then you can try to upgrade the radio ROM.
4. If after upgrading your radio ROM and the problem is still there, then it is probably your phone hardware. I will advise to send to OEM for an evaluation and repair if necessary.
Hope this helps.