Why aren't the contacts of incoming calls (sometimes) not displaying?

[AC Question]

contacts of incoming call (sometimes) not displaying

why don't contacts of incoming call (sometimes) not displaying on my lenovo vibe P1

 

[AlphaTango414]

Re: contacts of incoming call (sometimes) not displaying

Hi, welcome to AC.

Wipe app cache by setting>system>About device>cached data.
Wipe system cache via recovery.