samsung n900 imei null solution

How to safely Repair IMEI Note 3 N900 Method: 1- Download and Install Samsung Drivers and Z3x pro-Samsung tool 2- Flash your phone with full firmware using Odin or Z3x Samsung tool 3- Root your phone with CF-autoroot or twrp+Supersu 4- Open Z3x Samsung tool, select N900, go to section repair then reset EFS . samsung j1 ace new