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Apple iPhone 6

Troubleshooting

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:

The PIN is used to protect your SIM card from unauthorised use. If an incorrect PIN is entered, you can't turn on your mobile phone.

Solution: Key in the correct PIN.
If an incorrect PIN is entered three times in a row, your SIM card will be blocked and you need to key in your PUK. The PUK can be obtained by logging on to Swisscom Customer Centre.