[Sony Xperia C] Ooh Aah:
At your own risk:

"These codes are compatible with Sony Xperia Z, Xperia J, Xperia P, Xperia U, Xperia ION, Xperia S, Xperia E, Xperia L, Xperia tipo, Xperia arc, Xperia zola and any other model of sony xperia series.

Then dial the secret code *#*#7378423#*#*

After dialing the code you will get a screen with options of service info,service setting, service test, customization setting.

ANDROID secret codes

*#*#4636#*#*

This code can be used to get some interesting information about your phone and battery. It shows following 4 menus on screen:

* Phone information

* Battery information

* Battery history

* Usage statistics

Code :-

*#*#7780#*#*

This code can be used for a factory data reset. It'll remove following things:

* Google account settings stored in your phone

* System and application data and settings

* Downloaded applications

It'll NOT remove:

* Current system software and bundled applications

* SD card files e.g. photos, music files, etc.

PS: Once you give this code, you get a prompt screen asking you to click on "Reset phone" button. So you get a chance to cancel your operation.

code:-

*2767*3855#

Think before you give this code. This code is used for factory format. It'll remove all files and settings including the internal memory storage. It'll also reinstall the phone firmware.

PS: Once you give this code, there is no way to cancel the operation unless you remove the battery from the phone. So think twice before giving this code.

code:-

*#*#34971539#*#*

This code is used to get information about phone camera. It shows following 4 menus:

* Update camera firmware in image (Don't try this option)

* Update camera firmware in SD card

* Get camera firmware version

* Get firmware update count

WARNING: Never use the first option otherwise your phone camera will stop working and you'll need to take your phone to service center to reinstall camera firmware.

code:-

*#*#7594#*#*

This one is favorite one. This code can be used to change the "End Call / Power" button action in your phone. Be default, if you long press the button, it shows a screen asking you to select any option from Silent mode, Airplane mode and Power off.

You can change this action using this code. You can enable direct power off on this button so you don't need to waste your time in selecting the option.

code:-

*#*#273283*255*663282*#*#*

This code opens a File copy screen where you can backup your media files e.g. Images, Sound, Video and Voice memo.

code:-

*#*#197328640#*#*

This code can be used to enter into Service mode. You can run various tests and change settings in the service mode.

WLAN, GPS and Bluetooth Test Codes:

*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#* - WLAN test (Use "Menu" button to start various tests)

*#*#232338#*#* - Shows WiFi MAC address MAC (Media Access Control), address is a globally unique identifier assigned to network devices, and therefore it is often referred to as hardware or physical address. MAC addresses are 6-byte (48-bits) in length, and are written in MM:MM:MM:SS:SS:SS format. The first 3-bytes are ID number of the manufacturer, which is assigned by an Internet standards body. The second 3-bytes are serial number assigned by the manufacturer.

*#*#1472365#*#* - GPS test

*#*#1575#*#* - Another GPS test

*#*#232331#*#* - Bluetooth test

*#*#232337#*# - Shows Bluetooth device address

*#*#8255#*#*

This code can be used to launch GTalk Service Monitor.

Codes to get Firmware version information:

*#*#4986*2650468#*#* - PDA, Phone, H/W, RFCallDate

*#*#1234#*#* - PDA and Phone

*#*#1111#*#* - FTA SW Version

*#*#2222#*#* - FTA HW Version

*#*#44336#*#* - PDA, Phone, CSC, Build Time, Changelist number

Codes to launch various Factory Tests:

*#*#0283#*#* - Packet Loopback

*#*#0*#*#* - LCD test

*#*#0673#*#* OR *#*#0289#*#* - Melody test

*#*#0842#*#* - Device test (Vibration test and BackLight test)

*#*#2663#*#* - Touch screen version

*#*#2664#*#* - Touch screen test

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

*#*#3264#*#* - RAM version

GSM codes

Type the code and press send button.

Barring code: 0000

Check barring

Outgoing: *#33#

Incoming: *#35#

Cancel all: #330*BC# (BC=barring code)

Set out: *33*BC#

Cancel out: #33*BC#

Set in: *35*BC#

Cancel in: #35*BC#

Set out msg: *33*BC*16#

Cancel out msg: #33*BC#

Set in msg: *35*BC*16#

Cancel in msg: #35*BC#

Divert calls (N=number)

set all: **21*N#

check all: *#21#

Cancel all: ##21#

Smart menu

GP: *111#

Robi: *140#

Banglalink: *789#

Waiting

Set: *43#

Cancel:#43#

Check:*#43#

Restore PIN by PUK:

**04*PUK*PIN*PIN#

Restore PIN2 by PUK2:

**042*PUK2*PIN2*PIN2#

International Mobile Equipment Identity (IMEI):*#06#

Type code and press the green key!

Caller's ID: *#30#

My caller ID: *#31#

Answering number: *#76#

My ID on ans: *#77#

Type*#61# and press call - Check redirection status.

Cancel all redirections:##002# ;

*43# to activate call waiting, to deactivate#43#.

If your phone doesn't have incoming call barringand outgoing call barring, You can try this.

For outgoing call barring dial *33*barcode*# and pres OK.

To deactivate it dial #33#barcode*#.

On any phone on any network type in **43# to enable conference calls. You can make up to7 calls at once .

If you need to block SMS reception (if you are spammed by someone) just press this code: *35*xxxx*16#

xxxx is your Call Barring code (default is 0000).

To remove this barring type: #35*xxxx# .

If you want to hide/show your phone number when calling, putone of these codes below in front of the number that you are going to call. (*#30# / *#31# or*31# / #31# ) Works onsome networks.

Typing *0# or *nm# on the beginning of a txt message gives you detailed delivery report on some networks.. But turn off reports in message settings before.

When the sim card-pin blocked type **042*pin2 old*newpin2*newpin2* .

To hide Your number while texting (only 02 network n Nokia phone) go 2 the messages menu select create e-mail, it will ask for an e-mail adress, enter t@t, enter a subject, write the msg than send. It will ask e-mail server number, enter the number of your friend and send!

When roaming, type*#111*# or *#111# to call home abroad."