- Restart your phone.
- Check that your SIM card is fully inserted. Do not use SIM cards that have been modified to fit the SIM slot.
- Your phone may be SIM locked, which prohibits using a SIM card from a different network operator.
- If possible, try your SIM card in another phone.
- I cannot make a call on my Lumia phone
- I cannot share my Lumia’s internet connection with another device
- What can I do if get an error while trying to login to the mail account on my Nokia Lumia?
- What can I do to free up the phone memory on my Lumia?
- Can I download and save music or video email attachments to my Nokia Lumia phone?