Mi4 Lte-cu No Service!!!

[hazzers]

my mi4 buyed at January 2015, after a fall cracked the display and buy lcd+digitizer from honourbuy.com. i replaced it and all seems work fine, but after sim pin insert no service show me. i checked from the buyer, lcd is wcdma that will be a problem because my phone is lte gsm from europe? i dont find a gsm official screen gsm in any market.

 

[Mleo]

Hello.
Were you able to solve the problem?
I replaced the screen of a MI4 WCDMA from a friend and the device ran out of service.
I put the SIMcard but does not connect to the network.