Use at your own risk: [some may not work]
*#1234# View SW Version PDA, CSC, MODEM
*#12580*369# SW & HW Info
*#197328640# Service Mode
*#0228# ADC Reading
*#32489# (Ciphering Info)
*#232337# Bluetooth Address
*#232331# Bluetooth Test Mode
*#232338# WLAN MAC Address
*#232339# WLAN Test Mode
*#0842# Vibra Motor Test Mode
*#0782# Real Time Clock Test
*#0673# Audio Test Mode
*#0*# General Test Mode
*#2263# RF Band Selection
*#9090# Diagnostic ConfiguratioN
*#7284# USB I2C Mode Control
*#872564# USB Logging Control
*#4238378# GCF Configuration
*#0283# Audio Loopback Control
*#1575# GPS Control Menu
*#3214789650# LBS Test Mode
*#745# RIL Dump Menu
*#746# Debug Dump Menu
*#9900# System Dump Mode
*#44336# Sofware Version Info
*#7780# Factory Reset
*2767*3855# Full Factory Reset
*#0289# Melody Test Mode
*#2663# TSP / TSK firmware update
*#03# NAND Flash S/N
*#0589# Light Sensor Test Mode
*#0588# Proximity Sensor Test Mode
*#273283*255*3282*# Data Create Menu
*#273283*255*663282*# Data Create SD Card
*#3282*727336*# Data Usage Status
*#7594# Remap Shutdown to End Call TSK
*#34971539# Camera Firmware Update
*#526# WLAN Engineering Mode
*#528# WLAN Engineering Mode
*#7412365# Camera Firmware Menu
*#07# Test History
*#3214789# GCF Mode Status
*#272886# Auto Answer Selection
*#8736364# OTA Update Menu
*#301279# HSDPA/HSUPA Control Menu
*#7353# Quick Test Menu
*2767*4387264636# Sellout SMS / PCODE view
*#7465625# View Phone Lock Status
*7465625*638*# Configure Network Lock MCC/MNC
#7465625*638*# Insert Network Lock Keycode
*7465625*782*# Configure Network Lock NSP
#7465625*782*# Insert Partitial Network Lock Keycode
*7465625*77*# Insert Network Lock Keycode SP
#7465625*77*# Insert Operator Lock Keycode
*7465625*27*# Insert Network Lock Keycode NSP/CP
#7465625*27*# Insert Content Provider Keycode
*#272*imei#* Product code , works on Froyo
*#*#7780#*#* Factory data reset
*#06# = IMEI Number.
*#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*667# = Debug Mode.
*#92782# = PhoneModel. (Wap)
*#*#4636#*#*- Shows*Phone information,*Battery information,*Battery history,*Usage statistics
*#*#8255#*#*- Show GTalk service monitor
*#*#1111#*#*- Service Mode
*#*#232331#*#*- Bluetooth test
*#*#3264#*#*- RAM version
*#*#0588#*#*- Proximity sensor test
*#*#2664#*#*- Touch screen test
*#*#0842#*#*- Vibration test
*#*Join: PossibleAndroid.com
(Credit: respective owner)
