cellphone secret codes…

Here I listed mostly working secret codes  in samsung android,nokia,sony ericsson, and china phones like mtk,coolsand,karbonn,micromax  that all I tested. Use at your own risk.


ANDROID SAMSUNG CODES:

*#06# – DISPLAYS IMEI (COMMON FOR ALL DEVICES).

*#9090# – Diagnostic configuration.

*#0808# – USB SERVICE:

*#7284# – FACTORY KEYSTRING.

*#9900# – SYSTEM DUMP MODE.

*#34971539# – CAMERA INFORMATION.

*2767*3855# – FULL EEPROM RESET (Format device)/SIMLOCK REMOVING:MAY BE CORRUPT IMEI.

*2767*2878# – CUSTOM EEEPROM RESET.

*#0842# – VIBRATION TEST.

*#0*# – LCD TEST.

*#1111# – FTA SW VERSION.

*#1234# – SOFTWARE VERSION.

*#87976633# – (TYPE AND RESTART) DISABLE TEST MODE.

NOKIA CODES:

*#0000# – SOFTWARE VERSION.

*#7370# – FORMATE SYMPIAN OS PHONE.

*#2820# – BLUETOOTH ADDRESS.
MTK CPU (CHINA PHONE) CODES:

*#0000# – SET TO DEFAULT (ENGLISH) LANGUAGE.

*#*#3646633#*#* – IMEI REPAIR (ANDROID VERSIONS BELOW 4.1).
COOSAND CPU (CHINA PHONE) CODES:
*#1830*# – ENGINEER MODE.

*#6495*# – FACTORY MODE.

*#82510# OR *#18*# – AUTO TEST.

*#64*# – VERSIONS INFO SUMMERY.

*#88# – SELF TEST.

*#3696# – OPEN/CLOSE USB MODE.

*#002# – FACTORY (SECURITY CODE) RESET.

*#11# – START RECORD SCREEN.

*#12# – STOP RECORD SCREEN.

*#21# – PLAY LIST.

*#005# – START TRACE MEMORY CARD.

*#006# – STOP TRACE MEMORY CARD.

**#04*# – NETWORK SELECTION.

*#0160# – TO CHANGE IMEI-1.

*#0161# – TO CHANGE IMEI-2.
KARBONN & MICROMAX CODES:

*#110*01# – ENGINEERING MODE.

*#987# – FACTOTY MODE.

*#987*99# – RESTORE FACTORY SETTING.

*#900# – SOFTWARE VERSION.

*#800# – SOFTWARE VERSION.

*#369# – Change LCD Contrast.

*#110*01# – Device -> Set UART -> PS Config -> UART1/115200.

SONY ERICSSON:

*#*#7378423#*#* – SERVICE MENU.



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