BUGS IOS 11.3 – Caller Id (VIVO) – How to Enable? – IPhone 7 and 7plus without signal.

In this video I show an IOS BUG that does not allow to show my number. I teach a really cool trick to enable. iPhone 7 and 7 plus bug that leaves some models with no signal and bad microphone. Subscribe to the channel and give a like to help. .