After Update my phone from IOS 7 to 8 . m phone become really bad losing signal all the time now i did update to 8.1 and still losing signal appearing gprs on display at place of 4 g or 3 g and the needs turn to Airplane mode and come back to fix
After update my Iphone 4 s to ios 8.1 this device keep losing signal from 3 G and wifi , to fix that is necessary to me turn on and off airplane mode ,
How can i fix this mess from Apple ios 8.1 ??? I do not have this problem before when was ios 7
iPhone 4S, iOS 8.1.1