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Secret codes for ZTE Blade A520

  Mobiles >> ZTE >> ZTE Blade A520

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Hard Reset

ZTE secret codes

*#06# - IMEI (International Mobile Equipment Identity) number
Engineering Mode
*#*#2486#*#*

Version.
Type *983*7469#

Battery Temperature.
Type *983*1688#

Keypad Test.
Type *983*5391#

Phone Reset / User Code Reset.
Type *983*5651#

Sim Lock Info.
Type *983*757#

Master Reset.
Type *983*22387#

Audio Test.
Type *983*2831#

Version Info.
Type *983*837#

ANDROID ZTE secret codes for ZTE Blade A520

*#*#4636#*#* - Displaying Phone Information ZTE Blade A520. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)

*#*#225#*#* - Events in your calendar

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

*#*#759#*#* - RLZ debug interface



*#*#36245#*#* - Debug email in apps/Email

*#*#8255#*#* - Access Google Talk Service Monitor

*#*#64663#*#* - Access Hardware Test (Sensors, Bluetooth, Battery, 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#*#* - Factory Data Reset (all phone data will be erased). 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 "End Call / Power" button's behavior on your phone to suit your needs.

*#*#34971539#*#* - Display the phone's camera information.

*#*#97#*#* - Language and Keyboard settings in ZTE Blade A520

*#872564# - USB logging control

*#301279# - HSDPA/HDUPA connection settings menu

*#9900# - System dump mode ZTE Blade A520

*#*#46*#*# - Reset Sim in ZTE Blade A520

*#*#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#*#* - Wi-Fi Mac Address

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

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

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

*#*#232337#*# - Shows Bluetooth device address in ZTE Blade A520

GSM codes for ZTE Blade A520

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#	Cancelling all call forwarding
##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 #

Block all outgoing calls on your phone
**33*(enter password)#@ - Activate
#33*(enter password)#@ - Deactivate
*#33#@ - Check the condition

How to bar all calls
*330*(enter password)# - Activate
#330*(enter password)# - Deactivate
*#330# - Check the condition

Restrict of all outgoing international calls
*331*(enter password)# - Activate
#331*(enter password)# - Deactivate
*#331# - Check the condition

Block all outgoing international calls on your phone when roaming
*332*(enter password)# - Activate
#332*(enter password)# - Deactivate
*#332# - Check the condition

Block outgoing calls
*333*(enter password)# - Activate
#333*(enter password)# - Deactivate
*#333# - Check the condition

Block all incoming calls on your phone
*353*(enter password)# - Activate
#353*(enter password)# - Deactivate
*#353# - Check the condition

How to bar all incoming calls when roaming
*351*(enter password)# - Activate
#351*(enter password)# - Deactivate
*#351# - Check the condition

Call waiting (you have to order the service from the operator)
*43# - Activate
#43# - Deactivate
*#43# - Check the condition

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

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

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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Comments, Questions and Answers about the secret codes of ZTE Blade A520

Marino	March 25, 2018
¿Como accedo al mofdo ingeniero? Es para subir el volumen del audio en las llamadas. Reply
john	November 04, 2017
How to restore the imei number of zte blade A520 Reply
cameron	August 30, 2017
What is the network lock code for zte blade a520? Reply

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