This message keeps appearing and rendering the phone inoperable, the only solution is to reset the phone, what is it and how can I fix it?
Thanks
App Closed Telephone
Search for any third part installation that can cause that. If is not the case, I only remember about a phone format, but do a backup first, or the lost is total:icon4:
What is the format code? Is it *#7370# ?
Correct. Do the backup first!