Step 1. root the phone using Cfroot for G903F
link
https://download.chainfire.eu/779/CF...xx-smg903f.zip
Step 2. Select Model SM-G920W8 and Select Read Code.
Software Will show you a warning that wrong model is selected. ignore it and continue.
Step 3. Success you will get your Codes.
https://drive.google.com/file/d/0B-V...ZqSzFXVUk/view