Make sure that your phone is running the latest software. You can find out more about the software changes for Lumia phones from here.
- What to check if I can't sign in or create the Microsoft account on my Lumia phone during the initial setup?
- Will I get “Hey Cortana” voice activation after Lumia Denim update?
- Is Microsoft account required for my Lumia phone to work?
- What is the WhatsApp messenger and where can I download it?
- I have forgotten my Microsoft account password