No signal after updating my iphone
I also include some temporary solutions and user-defined fixes shared via forum posts by other i Phone owners who have dealt with similar issues on their device. If the SIM card is damaged, then it’s time to get a new SIM card. After removing and re-installing the SIM card, reboot your i Phone.
However the move to i OS 10 has not been plain-sailing for everyone.
Some users have complained that they see the No Service message on their i Phones after upgrading to i OS 9.3.
The fix for this issue has not changed and it still remains the same as prior i OS versions.
After an i OS 10 glitch left i Phone users unable to update their devices over wifi, forcing them to connect the smartphone to a Mac or PC via USB.
Users have complained about terrible battery drain, and slower speeds since updating to the new operating system.