Secret codes for ZTE Max Duo LTE
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ZTE secret codes
*#06# - IMEI (International Mobile Equipment Identity) numberEngineering 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 Max Duo LTE
*#*#4636#*#* - Phone information ZTE Max Duo LTE. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)
*#*#225#*#* - Upcoming calendar events
*#*#426#*#* - This code show Google Play
*#*#759#*#* - Rlz Debug UI. Unique Device ID, PID, ACAP
*#*#36245#*#* - Show Email debug informations
*#*#8255#*#* - Used to launch G Talk Service Monitor
*#*#64663#*#* - Test hardware (Version, Bluetooth, Battery, OTG, Speakers)
*#2886# - Factory Auto Testing
*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - Opens a File copy screen where you can backup your media files
*#*#7780#*#* - This code erases all your mobile data. It'll remove following things: (Downloaded applications, Google account, all data and settings)
*2767*3855# - This code is used for factory format.
*#*#7594#*#* - Modify the response of the "End Call / Power" button on your phone.
*#*#34971539#*#* - This code is used to get information about phone camera.
*#*#97#*#* - Language and Keyboard settings in ZTE Max Duo LTE
*#872564# - USB logging control
*#301279# - Display of the HSDPA/HSUPA Control Menu
*#9900# - System dump mode ZTE Max Duo LTE
*#*#46*#*# - Reset Sim in ZTE Max Duo LTE
*#*#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#*#* - Run GPS test
*#*#1575#*#* - For a more advanced GPS test
*#*#232331#*#* - View Bluetooth test Mode
*#*#232337#*# - Shows Bluetooth device address in ZTE Max Duo LTE
GSM codes for ZTE Max Duo LTE
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# | Deactivate 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 #
Blocking of all outgoing calls
**33*(enter password)#@ - Activate
#33*(enter password)#@ - Deactivate
*#33#@ - Check the condition
Block all calls on your phone
*330*(enter password)# - Activate
#330*(enter password)# - Deactivate
*#330# - Check the condition
Blocking of all outgoing international calls
*331*(enter password)# - Activate
#331*(enter password)# - Deactivate
*#331# - Check the condition
Block outgoing international calls when roaming
*332*(enter password)# - Activate
#332*(enter password)# - Deactivate
*#332# - Check the condition
Barring of all outgoing calls
*333*(enter password)# - Activate
#333*(enter password)# - Deactivate
*#333# - Check the condition
Blocking of all incoming calls
*353*(enter password)# - Activate
#353*(enter password)# - Deactivate
*#353# - Check the condition
Block all incoming calls on your phone 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.
 | 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. | |
Comments, Questions and Answers about the secret codes of ZTE Max Duo LTE
| Tim | April 16, 2019 | |
| How can I bypass for lock on zte zmax duo z963vl | ||
| Bucc | January 28, 2018 | |
| What code is used to unlock the provider,straight talk, to allow usage on another provider? | ||
| Mike | July 01, 2017 | |
| Same ??? Any codes or ideas to update from lollipop to marshmallow. Straight talk says call ZTE support, ZTE support says call straight talk, one big pass the buck circle. Any ideas, may be a carrier specific code to crack processor, not sure. | ||
| Heather | June 25, 2017 | |
| Straight talk carrier will not let me update my software and I'm wondering if there is a code to override that? | ||
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