iPhone 11 Pro Max
It's not possible to use my Visual Voicemail
Solution 2 of 8: There's an error in the operating system on your phone
If your phone is slow or freezes, it might help to restart it.
If your phone is slow or freezes, it might help to restart it.
Press the Top volume key.
Press the Bottom volume key.
Press and hold the Side button until your phone restarts.