i have a iphone 4s that gives me an error message that says sim not valid

+1 vote
asked Nov 19, 2015 by troy

1 Answer

0 votes
answered Nov 19, 2015 by ihelpadmin (19,980 points)
Best answer
Here are the steps to try to fix this problem:

1. Please try other sim card.

2. Try to activate it via iTunes.

3. Check the imei & check if the phone is sim-locked.

4. Restore the phone via iTunes.

Please post a image (screenshot) from the screen in the comment below.
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