Find out how to lengthen the ringing pattern on your Samsung Galaxy S4, just follow these simple steps.
- From the Home screen tap Phone.
- Dial **61*Divert Number*11*N#
Then press the call key and you're all done.
N= number of seconds you’d like it to ring for (from 5 to 20 seconds). If you want to increase the number of times just enter a higher number for example for 20 seconds enter 20#.