Contact your network operator. Your network operator can provide the unlock code and instructions on how to use it.
- I am not receiving audio when playing music or games on my Lumia phone
- My Lumia's battery does not get fully charged
- What can I do if the camera on my Lumia phone does not work properly?
- I cannot send or receive text messages on my Lumia phone
- I cannot send or receive multimedia messages on my Lumia phone