Battery life is doing quite bad due to android system. any idea how to fix? thanks!
Sent from my SAMSUNG-SGH-I747 using XDA Free mobile app
that could be due to your bad signal. You might wanna look into another modem (unless you took that screenshot somewhere you don't really have signal).
You could download BetterBatteryStats and monitor a full charge. That would give you a better idea of what is draining your battery.