Why do my incoming calls show as unknown and the number is not displayed?

[AC Question]

my mobile is Lenovo A6000

 

[anon8380037]

Re: my incoming calls show as unknown and number is not dusplayed

Hello.

If it was your outgoing calls not displaying to those you call, that can be changed in Settings.

It may be your numbers in your Contacts list do not exactly tally with your callers, prefix numbers etc.

If you have recently moved device and had contacts only saved on the sim card, many new devices apart from Samsung do not recognise sim contacts as far as I know.
You would need to add them to Google Contacts or other.

Go to Contacts/People - Menu - Contacts to Display.