Since Apple released iOS 5.0.1 and there is one big problem that iPhone users began facing it which is your iPhone drain battery, while you are playing Need For Speed or any other game you see a message appeared saying Battery Low, but it looks like that today we have got for you a new solution with a new tweak called BatteryFix iOS 5 so that we are going to show you how to improve your iPhone battery running on iOS 5.0.1:
NOTE: Remember this tweak will improve your jailbroken device which is running on iOS 5.0.1 only.
STEP 1: You will have to download the tweak on your device so that, open safari web browser and go to this current post and easily download the tweak in .deb file extension.
STEP 2: Now click on “Download” and then easily open iFile.
STEP 3: After you opened iFile,simply install the tweak into your iPhone.
STEP 4: Now and after the tweak is downloaded, reboot your device.
You should now find that your iPhone battery became much better and it will spend much time with you before it tells you “battery Low”, we hope it work great with you because too many sites and users thanked the tweak developer about how it worked very good with them… [Source]