The factory reset function in the Phone manager menu will clear the user settings in the phone. Those settings include wallpaper, backlight, tone, volume, language, caller ID, time zone and speed dialling.
The factory reset function in the Terminal menu will clear the user settings in the BDU. Those settings include GPS reporting, operating mode, alarm reporting, geo-fencing, call log and APN.
A system reboot will take place after the factory reset.