Apple iPhone 4S

Apple iPhone 4S

iOS 9.0

iOS 9.0 iOS 7 iOS 6 iOS 5

I can't make voice calls on my Apple iPhone 4S iOS 9.0

Cause 3 of 3: Missed calls are diverted too fast

Your missed calls are diverted after a specified number of seconds. If your calls are diverted too fast, you need to select a longer period of time.

Solution: Set divert delay.

Step 1 of 7

Find "Keypad"

Press Phone.

Step 2 of 7

Find "Keypad"

Press Keypad.

**21*+61414121121#

**21*+61414121121#

**21*+61414121121#

Step 3 of 7

Divert all calls

Key in **21*+61414121121# and press the call icon.

**61*+61414121121*20#

**61*+61414121121*20#

**61*+61414121121*20#

Step 4 of 7

Divert missed calls

Key in **61*+61414121121*20# and press the call icon.

**62*+61414121121#

**62*+61414121121#

**62*+61414121121#

Step 5 of 7

Divert if unavailable

Key in **62*+61414121121# and press the call icon.

**67*+61414121121#

**67*+61414121121#

**67*+61414121121#

Step 6 of 7

Divert if busy

Key in **67*+61414121121# and press the call icon.

Step 7 of 7

Return to the home screen

Press the Home key to return to the home screen.

1 Find "Keypad"

Press Phone.

Press Keypad.

2 Divert all calls

Key in **21*+61414121121# and press the call icon.

**21*+61414121121#

3 Divert missed calls

Key in **61*+61414121121*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.

**61*+61414121121*20#

4 Divert if unavailable

Key in **62*+61414121121# and press the call icon.

**62*+61414121121#

5 Divert if busy

Key in **67*+61414121121# and press the call icon.

**67*+61414121121#

6 Return to the home screen

Press the Home key to return to the home screen.

Are you ready to upgrade your device? Check out our latest mobile phones