how to repair network g9020r4 after flash no network

after flash samsung g920r4

Note the disappearance of the network is final
The problem is that the phone is available on a type of US network only and a network operating system is not available in other countries

To fix this problem just download this application to your phone

FRP QUICKSHORTMUCKER 

after the install quickshortmucker 

1  search phone 

  2

after mobile network

 3

network operators

4

network mode enable only 3g

after network g90r4 solved