Can’t select any options with the Number Pad on your iPhone While on a call from any customer service center because it's greyed out? Here's The best 5 solutions to fix iPhone 11/12/13/14 keypad or dial pad not working during phone calls issue.

0:00 What this video is about
0:28 Solution 1: Force Restart
0:46 Solution 2: Tap the dialer a few times
1:09 Solution 3: Lock then unlock the iPhone screen
1:20 Solution 4: Update iOS
1:44 Solution 5: Reset All Settings