Apple iPhone 7

Apple iPhone 7

I can't make voice calls on my Apple iPhone 7 iOS 11.0

Cause 1 of 3: There's a connection error

If your phone doesn't receive any calls when someone calls you, it may be caused by an unknown connection error.

Solution: Restart your phone.

Step 1 of 2

Restart your phone

Press and hold On/Off.

Step 2 of 2

Restart your phone

Simultaneously, press and hold the Bottom volume key until your phone restarts.

1 Restart your phone

Press and hold On/Off.
Simultaneously, press and hold the Bottom volume key until your phone restarts.