Android Secret Codes

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01.  *#*#3214789650#*#* GpsSetup2
02.  *#7284# UART and USB options
03.  *#1234#  Version
04.  *#06# view IMEI number
05.  *#*#4636#*#* usage stats and device info
06.  *#9090# service mode UART and USB /slightly different form the 7284 one/
07.  *#9900# sysdump /if you don't know what it means,  then probably you won't need this one  /
08.  *#03# NAND flash unique number
09.  *2767*3855# hard reset
10.  *#*#7780#*#* factory data reset
11.  *#0*# testing mode
12.  *#*#4636#*#* Usage stats and device info
13.  *#0782# Real Time Clock
14.  *#0011# GSM status
15.  *#*#197328640#*#* Service mode, Debug, Netz, Audio, Common
16.  *#7465625# Engineering mode
17.  *#2263# Band selection
18.  *#232337# Bluetooth address
19.  *#*#232331#*#* Bluetooth test
20.  *#*#232338#*#* WLAN-MAC address
21.  *#*#2663#*#* Touchscreen Firmware version
22.  *#*#2664#*#* Touchscreen test
23.  *#*#0588#*#* Proximity test
24.  *#0842# Vibrator test
25.  *#0228# Battery stats
26.  *#0673# Audio test menu
27.  *#*#8255#*#* Gtalk service monitor
28.  *#*#7594#*#* Power button settings
29.  *#07# Test history
30.  *#32489# Ciphering info
31.  *#0589# Light sensor read
32.  *#272886# Enable/Disable auto answer
33.  *#301279# Switch 3G - HSPA.