Samsung D500/X700 secret codes

Following codes are for D500, it might work for e720/E730/X700/D600(though it is dependent on phones firmware).
*#1111# S/W Version
*#1234# Firmware Version
*#2222# H/W Version
*#8999*8376263# All Versions Together
*#8999*8378# Test Menu
*#4777*8665# GPSR Tool
*#8999*523# LCD Brightness
*#8999*377# Error Menu
*#8999*327# EEP Menu
*#8999*3825523# Don’t Know.
*#8999*667# Debug Mode
*#92782# PhoneModel (Wap)
#*5737425# JAVA Mode
*#2255# Call List
*#232337# Bluetooth MAC Adress
*#5282837# Java Version
#*4773# Incremental Redundancy
#*7752# 8 PSK uplink capability bit
#*7785# Reset wakeup & RTK timer cariables/variables
#*1200# ????
#*7200# Tone Generator Mute
#*3888# BLUETOOTH Test mode
#*#8999*324# ??
#*7828# Task screen
#*5111# ??
#*#8377466# S/W Version & H/W Version
#*2562# Restarts Phone
#*2565# No Blocking? General Defense.
#*3353# General Defense, Code Erased.
#*3837# Phone Hangs on White screen
#*3849# Restarts Phone
#*3851# Restarts Phone
#*3876# Restarts Phone
#*7222# Operation Typ: (Class C GSM)
#*7224# !!! ERROR !!!
#*7252# Operation Typ: (Class B GPRS)
#*7271# CMD: (Not Available)
#*7274# CMD: (Not Available)
#*7337# Restarts Phone (Resets Wap Settings)
#*2787# CRTP ON/OFF
#*2886# AutoAnswer ON/OFF
#*3737# L1 AFC
#*5133# L1 HO Data