Hidden Android Secret Codes

Secret codes for all mobile phones! Mobile secret codes are the special digits combination with star (*) and hash (#) characters dialled from a mobile phone dialer, which allow users to do a specific task, which is hidden property of a mobile phone. Let’s take a simple example. Just dial *#06# from your dialer to know the IMEI numberof your phone.
Samsung
S/W Version : *#1111#
Software version: *#9999#
Software version: *#0837#
Firmware Version : *#1234#
H/W Version : *#2222#
IMEI number: *#06#
Serial number: *#0001#
Battery status- Memory capacity: *#9998*246#
Debug screen: *#9998*324# – *#8999*324#
LCD contrast: *#9998*523#
Vibration test: *#9998*842# – *#8999*842#
Alarm beeper – Ringtone test :*#9998*289# –*#8999*289#
Display contrast: *#0523# –*#8999*523#
Battery info: *#0228# or*#8999*228#
Display storage capacity:*#8999*636#
Samsung hardware version:*#8999*837#
Show network information:*#8999*638#
All Versions Together :*#8999*8376263#
Test Menu : *#8999*8378#
GPSR Tool : *#4777*8665#
LCD Brightness :*#8999*523#
Error LOG Menu :*#8999*377#
EEP Menu : *#8999*327#
Debug Mode : *#8999*667#
PhoneModel (Wap): *#92782#
JAVA Mode : #*5737425#
Java Version : *#5282837#
Call List : *#2255#
Bluetooth MAC Adress :*#232337#
On a Samsung A300 to reset the language: *#0000#
To show secret call log (not tested): *#2255# (Samsung E700)
phone unlock enter this :*2767*637# (Samsung A300, A800)
Master reset(unlock) :#*7337# (for the new samsungs E700 x600 but not E710)
phone unlock :*2767*782257378# (SamsungV200, S100, S300)
# *7785# Reset wakeup & RTK timer cariables/variables
# *7200# Tone Generator Mute
#*3888# BLUETOOTH Test mode
#*7828# Task screen
#*#8377466# S/W Version &H/W Version
#*2562# Restarts Phone
#*3849# Restarts Phone
#*2565# No Blocking? General Defense.
#*3353# General Defense, Code Erased.
#*3837# Phone Hangs on White screen.
#*7337# Restarts Phone (Resets Wap Settings)
#*2886# AutoAnswer ON/OFF
#*7288# GPRS Detached/Attached
#*7287# GPRS Attached
#*7666# White Screen
#*4864# White Screen
#*7693# Sleep Deactivate/Activate
#*2286# Databattery
#*2527# GPRS switching set to (Class 4, 8, 9, 10)
#*2679# Copycat feature Activa/Deactivate
#*3940# External looptest 9600 bps
#*4263# Handsfree mode Activate/Deactivate
#*2558# Time ON
#*3941# External looptest 115200 bps
#*5176# L1 Sleep
#*7462# SIM Phase
#*7983# Voltage/Freq
#*7986# Voltage
#*8466# Old Time
#*2255# Call Failed
#*5376# DELETE ALL SMS!!!!
#*6837# Official Software Version: (0003000016000702)
#*2337# Permanent Registration Beep
#*2474# Charging Duration
#*2834# Audio Path (Handsfree)
#*3270# DCS Support Activate/Deactivate
#*3282# Data Activate/Deactivate
#*3476# EGSM Activate/Deactivate
#*3676# FORMAT FLASH VOLUME!!!
#*4760# GSM Activate/Deactivate
#*7326# Accessory
#*7683# Sleep variable
#*3797# Blinks 3D030300 in RED
#*7372# Resetting the time toDPB variables
#*3273# EGPRS multislot (Class 4, 8, 9, 10)
#*7722# RLC bitmap compression Activate/Deactivate
#*2351# Blinks 1347E201 in RED
#*2775# Switch to 2 inner speaker
#*7878# FirstStartup (0=NO, 1=YES)
#*3838# Blinks 3D030300 in RED
#*2077# GPRS Switch
#*2027# GPRS Switch
#*0227# GPRS Switch
#*0277# GPRS Switch
#*22671# AMR REC START
#*22672# Stop AMR REC (File name: /a/multimedia/sounds/voice list/ENGMODE.amr)
#*22673# Pause REC
#*22674# Resume REC
#*22675# AMR Playback
#*22676# AMR Stop Play
#*22677# Pause Play
#*22678# Resume Play
#*77261# PCM Rec Req
#*77262# Stop PCM Rec
#*77263# PCM Playback
#*77264# PCM Stop Play
#*22679# AMR Get Time
*#8999*364# Watchdog ON/OFF
*#8999*427# WATCHDOG signal route setup
*2767*3855# = Full Reset (Caution every stored data will be deleted.)
*2767*2878# = Custom Reset
*2767*927# = Wap Reset
*2767*226372# = Camera Reset (deletes photos)
*2767*688# Reset Mobile TV
#7263867# = RAM Dump (On or Off)
*#0*# – testing mode
*#0011# – service mode signal status
*#*#4636#*#* – battery and other general settings like GSM/CDMA
*#*#7594#*#* – change the“Power” button action in your phone.
*#*#7780#*#* – Factory data soft reset
*2767*3855# – Factory Hard Reset to ROM firmware default settings
*2767*2878# – leave Factory
*#*#273283*255*663282*#*#* – Opens a File copy screen where you can backup your media files
*#*#197328640#*#* – service mode main menu
The following codes will work on all the models of galaxy series.
* #1234# check software version of phone.
*#12580*369# S to check software and hardware information.
*#0228# Battery status (ADC,RSSI reading)
*#32489# Service mode
*#7780# factory data reset galaxy y
*2767*3855# Full factory reset (Please take care while dialing it does not ask you to confirm unless you have problem)

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