1. Enter your PIN
If your mobile phone rejects your SIM:
Contact your distributor or service provider where you bought your mobile phone.
2. Select general settings
Press the required language.
Press Show More....
3. Select option
Activate your mobile phone without using iTunes, go to 3b.
4. 3a - Activate your mobile phone using iTunes
If it's the first time you activate your mobile phone:
Follow the instructions on the screen to log on using your Apple ID and activate your mobile phone.
If you've used an iPhone before and have backed up the phone memory using iTunes, you will, during the activation process, have a chance to restore an iTunes backup.
When the activation is complete, the screen shows that your mobile phone is ready for use.
5. 3b - Activate your mobile phone without using iTunes
Follow the instructions on the display to connect to the required WLAN.
Press Sign In with an Apple ID.
Press Create a Free Apple ID.
Press Skip This Step.
Follow the instructions on the display to activate your mobile phone.