Apple iPhone 16 Pro Max
iOS 18
Select help topic
1. Find "Keypad"
Press the phone icon.
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Press Keypad.
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2. Divert all calls
Key in **21*121# and press the call icon.
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**21*121#
3. Divert missed calls
Key in **61*121*20# and press the call icon.
Key in the required number of seconds before the call is diverted, e.g. 20. The number needs to be divisible by 5.
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**61*121*20#
4. Divert if unavailable
Key in **62*121# and press the call icon.
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**62*121#
5. Divert if busy
Key in **67*121# and press the call icon.
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**67*121#
6. End call
Press Dismiss.
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7. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
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