In a post comparing the iphone 4s and iphone 4 battery life, macrumors reports that calibrating the battery can make a substantial difference in battery life, as “some [iphone 4s users] have found their battery gauge to be inaccurate until this is performed.. We take a look at some of the main iphone 6s problems that owners are reporting and find the right solution to tackle them.. After jailbreaking your iphone 4 or iphone 3gs on ios 4.3.3, you can install sam on your iphone to activate it officially using itunes. this will not only provide you with much improved battery life but will also enable fully working push notifications on your idevice..
Fix for iphone 5 signal loss when stuck on “no service”. The problem is definitely in the gas gauge line between the logic board and the battery. this could be a failed battery—and if there were no prior repairs, this is most likely.. Exit ios 4.2.1 recovery mode loop with tinyumbrella (fix recovery) by ben johnson last updated june 27, 2014.
