*#*#4636#*#* Display information about Phone, Battery and Usage statistics

*#*#7780#*#* Resetting your phone to factory state – only deletes application data and applications

*2767*3855# It’s a complete wiping of your mobile also it reinstalls the phones firmware

*#*#34971539#*#* Shows completes information about the camera

*#*#7594#*#* Changing the power button behavior-Enables direct poweroff once the code enabled

*#*#273283*255*663282*#*#* For a quick backup to all your media files

*#*#197328640#*#* Enabling test mode for service activity *#*#232339#*#* OR

*#*#526#*#* Wireless Lan Tests

*#*#232338#*#* Displays Wi-Fi Mac-address

*#*#1472365#*#* For a quick GPS test

*#*#1575#*#* A Different type GPS test

*#*#0283#*#* Packet Loopback test

*#*#0*#*#* LCD display test *#*#0673#*#* OR

*#*#0289#*#* Audio test

*#*#0842#*#* Vibration and Backlight test

*#*#2663#*#* Displays touch-screen version

*#*#2664#*#* Touch-Screen test

*#*#0588#*#* Proximity sensor test

*#*#3264#*#* Ram version

*#*#232331#*#* Bluetooth test

*#*#7262626#*#* Field test

*#*#232337#*# Displays bluetooth device address

*#*#8255#*#* For Google Talk service monitoring

*#*#4986*2650468#*#* PDA, Phone, Hardware, RF Call Date firmware info

*#*#1234#*#* PDA and Phone firmware info

*#*#1111#*#* FTA Software version

*#*#2222#*#* FTA Hardware verion

*#*#44336#*#* Displays Build time and change list number

*#06# Displsys IMEI number

*#*#8351#*#* Enables voice dialing logging mode

*#*#8350#*#* Disables voice dialing logging mode

##778 call) Brings up Epst menu+)

کدهای مخفی گوشی اچ تی سی

*#*#3424#*#* HTC function test Program

*#*#4636#*#* HTC Info menu

*#*#8255#*#* launches GTalk Service Monitor

##3424# Diagnostic mode

##3282# for EPST

##8626337# for VOCODER

##33284# Field trial menu

##786# Reverse Logistics Support

##7738# Protocol Revision

کدهای مخفی سونی

21. *#*#232337#*#* – Displays Bluetooth device address

22. *#*#8255#*#* – For Google Talk (GTalk) service monitoring

23. *#*#4986*2650468#*#* – PDA, Phone, Hardware, RF Call Date firmware info

24. *#*#1234#*#* – PDA and Phone firmware infomation

25. *#*#1111#*#* – FTA Software version

26. *#*#2222#*#* – FTA Hardware verion

26. *#*#44336#*#* – Displays Build time and change list number

27. *#06# – Displays IMEI number

28. *#*#8351#*#* – Enables voice dialing logging mode

29. *#*#8350#*#* – Disables voice dialing logging mode

30. **05***# – Execute from Emergency dial screen to unlock PUK code

کدهای مخفی موتورولا

.Moto devices have a hidden menu, accessible by entering *#*#4636#*#* in the dialer

:Moto G owners might find these codes come in handy
Find IMEI Number
How to find IMEI on Motorola Moto G? Please use this code: *#06#

(!Moto G Hard Reset (careful there
*#*#786#*#*

Open Superuser App
*#*#1234#*#* or *#*#7873778#*#*

Manual Check Update
*#*#2432546#*#*

Motorola Service Menu
*#*#2486#*#*

کدهای مخفی ال جی

AT&T: 3845#*850#

Sprint: 5689#*990#

T-Mobile: 3845#*851#

(Verizon Wireless: ##228378 (+ send

International Models: 3845#*855#

Korean models: 3845#*400#

These will unlock a meaty hidden settings menu with lots of tests and obscure settings. Don’t poke around too much, but don’t be shy either, as LG has made it pretty easy to toggle changes on and off