Make sure that your phone is running the latest software. You can find out more about the software changes for Lumia phones from here.
- Which languages does Cortana support?
- Will I get “Hey Cortana” voice activation after Lumia Denim update?
- What can I do if the latest Lumia extras are missing on my phone?
- I have forgotten Wallet PIN on my Lumia phone
- The glance screen content is black and the settings are blank showing only the header in my Lumia. What can I do?