Galaxy S4 GT-I9500 Repair IMEI "NULL/NULL

Necessary Files
/ / Odin v3.07.zip;
/ / GT-i9500 fix_imei_null.zip;

- Open Odin
- Extract the. ZIP file, place the file in PDA [the phone has to be switched to Download Mode]
- Press START
- End! : -))

That's it, simple steps to retrieve the IMEI of S4, damaged by trying to change the imei with another model.

Note;If after these steps the imei still null/null then the problem is hardware,this tested on 2 phones with imei null,after write this file the imei back to original
Download