Panasonic Service Codes
*#06# IMEI
746, menu, menu lock menu
*369#(*) Menu
*#9999# - 5 sec after power on SW version (GD75, GD67, GD87..)
*01763*737381# Master reset
(User data, User code) A100, A101, A102, G50, G51, GD55, G70…
GD93 default key lock code - 0000 OK