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After the iOS 7 update my iPhone 4S regularly loosed the phone signal (when there was a stong Signal and in areas where I know there is a signal). The only way to get the signal back is to turn it off and on again. How can I solve this problem?
try a reset, no data loss. Hold down the home/sleep button together until you see the apple logo and then release, then wait for the phone to boot back up.
settings - general - reset - reset network settings.
Thank you razmee, had the same problem.
Thanks razmee209, this seems to have solved the problem...