If your device isn't working properly, you can try several solutions to solve the problem. In most cases you can solve the problem by following these guidelines:
I can't turn on my mobile phone
Cause 5 of 10: You're asked to key in your PUK
If you enter an incorrect PIN three times in a row, you need to key in your PUK.
Solution: Key in the correct PUK. Please note: if you haven't received a PUK or don't know it, it can be obtained by logging on to Swisscom Customer Centre.
