My New O2 Sim Says No Service. Check For Water Damage. Get a PUK code if youve entered your PIN incorrectly too many times.
If there are no network issues and youre still unable to connect you can speak to us by giving us a call or by using Live Chat. Check that your device isnt blocked from receiving cellular services and is set up with the right data plan. Find instructions in our device guides.
Whenever u have the no service problem take out ur SIM card and use in any other phone I use my wifes nokia and try to make a call I call my land line then I put back the SIM card from the nokia to my iPhone and in 10 seconds I get the full bar and can receive and make calls.
Find instructions in our device guides. If you still see an alert about your SIM card contact Apple support. Customers new to O2 can start using their device once they have synced with iTunes and the phone account has been activated. The iPhone no service warning can be a sign that youre out of cellphone signal range.
