Make sure that your phone is running the latest software. You can find out more about the software changes for Lumia phones from here.
- How can I check the IMEI number of my Lumia phone?
- What can I do if the latest Lumia extras are missing on my phone?
- What Bluetooth profiles are used on my Lumia phone?
- Why are the photos taken by Lumia Selfie different than with a normal camera on my phone?
- NFC pairing of the Wireless Charging Plate (DT-903) is not working Device Hub, what can I do?