IPhone 4 :: Loses Signal When Screen Comes On
Sep 3, 2014
An iPhone 4 (A1332) has the following problem:Â When you wake it (causing the screen to light up & come on) it shows full strength (all bars) in the upper left corner.
Over the course of a minute, the bars decrease until it says "searching" and finally "no service"Â .If you let the phone sit by itself for a few minutes and then pick it up again, the signal bars are back. But then they dwindle away again. You can make a call if you dial it fast enough (before the signal bars disappear).People have noted that they called me and it did not ring or go through.Â
What I've tried: Contacted T-mobile several times. They assure their network is working fine. Others do not seem to have coverage problems in the same area.Â
iPhone 4
A1332
T-mobile SIMPhone belongs to me. Historically the phone has had no problems.
Info:
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