iPhone is the top notch device. Even this is a dream phone for many people. But the other side sometimes iPhone users are facing iphone call failed when using keypad issue. So, here I will tell you few easy tricks to fix your issue:
Dial *#31#
Turn off and on Airplane Mode
Restart your iPhone
Remove and reinsert SIM card
Reset Network Settings on iPhone
Reset All Settings
Update your iPhone’s software
Check blocked contacts list
See if call forwarding is turned on
Contact your carrier
