Contacts Name not showing in incoming calls BB10- here is the solution

Contacts issue - Not all contacts showing up on your BlackBerry 10 device

no need to worry, just in few simple steps your problem will be solved 

1. 

just open the phone option , located at bottom left corner 

 2.

now slide your finger from top of the screen ↓

and go on settings option located on top right after sliding

 3.

select # Smart Dialing option 

 4.

now just click on the bottom middle "Reset" option\

(check whether correct country is selected in Country Code option)

Voila! it's done, enjoy using your BlackBerry XD