He will need to use the 902 fxz because a system update won't work since he is still on the old leaked 5.7
902 fxz http://rombot.droidhive.com/ROMs/tar...CFC_01.xml.zip modded xml to preserve internal sdcard and data http://db.tt/P2o9bA8H rsd lite & drivers http://db.tt/FA2XLfov root method http://db.tt/rsl6lsQE
Install rsd lite and the drivers (32 bit or 64 bit depending on your pc) Unzip the 902 fxz and the modded xml zip. Put the altered xml in the unzipped 902 folder. Put your phone in fastboot (power down and hit down volume and power together) Open rsd lite and hit the |…| on the top right. Navigate to the 902 folder and choose the eye_dea xml and then press start.