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Secret codes for TWZ U8

  Mobiles >> TWZ >> TWZ U8

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TWZ secret codes

*#06# - IMEI (International Mobile Equipment Identity) number

ANDROID TWZ secret codes for TWZ U8

*#*#4636#*#* - Phone information TWZ U8. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)

*#*#225#*#* - Check your events in calendar

*#*#426#*#* - Google Play services's debug informations

*#*#759#*#* - Access to Rlz Debug Ul



*#*#36245#*#* - This code show Email debug info

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

*#*#64663#*#* - Test hardware (Version, Bluetooth, Battery, OTG, Speakers)

*#2886# - Factory Auto Testing

*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - This code opens a File copy screen where you can backup your media files

*#*#7780#*#* - Reset to factory settings. It'll remove following things: (Downloaded applications, Google account, all data and settings)

*2767*3855# - This code is used for factory format.



*#*#7594#*#* - Customize the operation of the "End Call / Power" button on your phone.

*#*#34971539#*#* - Get camera information.

*#*#97#*#* - Language and Keyboard settings in TWZ U8

*#872564# - USB logging control

*#301279# - HSDPA/HSUPA Control Menu

*#9900# - System dump mode TWZ U8

*#*#46*#*# - Reset Sim in TWZ U8

*#*#197328640#*#* - Enter service mode to run various tests and change settings




WLAN, GPS and Bluetooth Test Codes:

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

*#*#232338#*#* - Executing this code showcases the Wi-Fi Mac address on your phone.

*#*#1472365#*#* - Show GPS test mode

*#*#1575#*#* - For a more advanced GPS test

*#*#232331#*#* - View Bluetooth test Mode

*#*#232337#*# - Shows Bluetooth device address in TWZ U8

GSM codes for TWZ U8

Change PIN code - **04* and enter the old PIN code, and twice a new PIN code.
Change PIN2 code - **042* and enter the old PIN2 code, and twice the new PIN2 code.
Unlock SIM (PIN) - **05* and enter the PUK code and new PIN code twice
Unlock SIM (PIN2) - **052* and enter the PUK2 code and new PIN2 code twice

Call Forwarding (you have to order the service from the operator)

##002#	Disables all call diversion on the phone
##004#	Cancel all conditional call forwarding
**004* phone number #	Activate all conditional call forwarding

Unconditional call forwarding (Call Forward All)

###21	Switch off and deactivate
#21#	Deactivate
**21*phone number#	Enable and Activate
*21#	Activate
*#21#	Check the condition

Diversion in case of "no answer"

###61	Switch off and deactivate
#61#	Deactivate
**61* phone number#	Enable and Activate
*61#	Activate
*#61#	Check the condition

Diversion in case of "not available"

### 62	Switch off and deactivate
# 62 #	Deactivate
** 62 *phone number#	Enable and Activate
* 62 #	Activate
* # 62 #	Check the condition

Diversion in case of "busy"

###67	Switch off and deactivate
#67#	Deactivate
**67*phone number#	Enable and Activate
*67#	Activate
*#67#	Check the condition

Call Barring (you have to order the service from the operator)
Change the password for all bans (default - 0000)
- ** 03 * 330 * old password * new password * new password #

Blocking of all outgoing calls
**33*(enter password)#@ - Activation code
#33*(enter password)#@ - Deactivation code
*#33#@ - Check Status

Barring of all calls on your phone
*330*(enter password)# - Activation code
#330*(enter password)# - Deactivation code
*#330# - Check Status

Restrict of all outgoing international calls
*331*(enter password)# - Activation code
#331*(enter password)# - Deactivation code
*#331# - Check Status

All outgoing international calls barring while roaming
*332*(enter password)# - Activation code
#332*(enter password)# - Deactivation code
*#332# - Check Status

How to block all outgoing calls
*333*(enter password)# - Activation code
#333*(enter password)# - Deactivation code
*#333# - Check Status

Blocking of all incoming calls
*353*(enter password)# - Activation code
#353*(enter password)# - Deactivation code
*#353# - Check Status

Barring all incoming calls during roaming on your phone
*351*(enter password)# - Activation code
#351*(enter password)# - Deactivation code
*#351# - Check Status

Call waiting (you have to order the service from the operator)
*43# - Activation code
#43# - Deactivation code
*#43# - Check Status

Transfer your phone number (Anti ANI)
#30#phone number - Block
*30#phone number - Allow
*#30# - Check Status

Show phone number of the caller you (ANI)
#77# - Block
*77# - Allow
*#77# - Check Status

Proceed with Caution: Use codes with care, as incorrect usage could affect device functionality.

If you're unsure about a code, do not use it. It's better to be safe than sorry.

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Tarik Tonkov Mobile technology specialist

Tarik Tonkov is a computer scientist and programmer turned tech journalist with a keen interest in the world of smartphones and tablets. He previously wrote for Android Life and was also a ghostwriter for several technology and automotive publications. He appreciates the reliability and beauty of smartphones, the symbiosis of characteristics and usability. In his free time, Tarik likes to travel by car and polish his programming skills to create small useful programs.

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