Having Problems making phone Calls? Here are some tricks that will help you to fix that problem! If your phone is suddenly not able to make phone calls or you’re getting an error message that says ‘not registered on network’ then definitely watch this entire video where I show you how to fix this problem.
here other videos related to the same problem
1-https://www.youtube.com/watch?v=ho3xZfrHOzo&t=47s
2-https://www.youtube.com/watch?v=ZjcZoOFSEiI
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