ZTE Z431 secret codes

  Phones Specs >> ZTE >> ZTE Z431 Specs

ZTE secret codes

Display IMEI. IMEI (International Mobile Equipment Identity) is a unique 15-digit number assigned to all cellular devices. We can use this number to block a mobile phone from being used by another person or phone company if it has been lost or stolen.
Use this to displays your ZTE handset's IMEI Number IMEI (International Mobile Equipment Identity) is a unique 15-digit number assigned to all cellular devices. We can use this number to block a mobile phone from being used by another person or phone company if it has been lost or stolen. . The same code works from all other GSM handsets.
Type *#06#

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 secret codes

*#06# - IMEI number The International Mobile station Equipment Identity number (IMEI) is a number used to identify a device that uses terrestrial cellular networks. Since the IMEI standard is used for any terrestrial cellular network device, this means that 3G/4G tablets, laptops with PCMCIA wireless internet cards, and other mobile equipment are also tagged with these numbers.

*#*#273282*255*663282*#*#* - Immediate backup of all media files

*#*#4636#*#*

This code can be used to get some interesting information about ZTE Z431 and battery. It shows following 4 menus on screen:

* Phone information


* Battery information
* Battery history
* Usage statistics

*#*#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.

*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.


*#*#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 in ZTE Z431
* Get firmware update count

WARNING: Never use the first option otherwise your phone camera will stop working and you'll need to take ZTE Z431 to service center to reinstall camera firmware.

*#*#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.

*#*#225#*#* - Events calendar.

*#*#426#*#* - Debug information for Google Play service. Google Play services is used to update Google apps and apps from Google Play. This component provides core functionality like authentication to your Google services, synchronized contacts, access to all the latest user privacy settings, and higher quality, lower-powered location based services.

*#*#759#*#* - Access Google Partner setup (Rlz debug interface).

*#872564# - USB logging control

*#9900# - System dump mode ZTE Z431

*#*#97#*#* - Language and Keyboard settings in ZTE Z431

*#*#46*#*# - Reset Sim in ZTE Z431

*#301279# - HSDPA HSDPA means “High Speed Downlink Packet Access” and is a technique used in the UMTS mobile communication system, the download speeds of currently 3.6 Mbit/s to 7.2 Mbit/s. HSUPA is developed commercially since 2007 in Germany. High Speed Downlink Packet Access (HSDPA, 3.5G, 3G + or UMTS broadband) is a data transmission method of the cellular standards UMTS, which was defined by the 3rd Generation Partnership Project. The method enables DSL-like data rates in mobile networks. HSDPA is available in Germany, among others by the network operators Vodafone, E-Plus, O2, and telecom and in Switzerland by Swisscom, Sunrise and Orange. In Austria operate the A1, T-Mobile, Orange and Three HSDPA networks. /HSUPA HSUPA means “High Speed Uplink Packet Access” and is a technique used in the UMTS mobile communication system, the upload speeds up to 5.8 Mbit/s. High Speed Uplink Packet Access (HSUPA) is a transmission method of the UMTS mobile radio standard that allows higher data rates in the uplink and reduces the round trip time (often referred to as ping). HSUPA Category 6 were up to 5.76 Mbit / s and category 9 (Release 9) up to 23 Mbit / s can be achieved. HSUPA is part of Release 9 of UMTS. Control Menu

*#7465625# - View phone lock status


*7465625*638*Code# = Enables Network lock
#7465625*638*Code# = Disables Network lock
*7465625*782*Code# = Enables Subset lock
#7465625*782*Code# = Disables Subset lock
*7465625*77*Code# = Enables SP lock
#7465625*77*Code# = Disables SP lock
*7465625*27*Code# = Enables CP lock
#7465625*27*Code# = Disables CP lock
*7465625*746*Code# = Enables SIM lock
#7465625*746*Code# = Disables SIM lock
*7465625*228# = Activa lock ON
#7465625*228# = Activa lock OFF
*7465625*28638# = Auto Network lock ON
#7465625*28638# = Auto Network lock OFF
*7465625*28782# = Auto subset lock ON
#7465625*28782# = Auto subset lock OFF
*7465625*2877# = Auto SP lock ON
#7465625*2877# = Auto SP lock OFF
*7465625*2827# = Auto CP lock ON
#7465625*2827# = Auto CP lock OFF
*7465625*28746# = Auto SIM lock ON
#7465625*28746# = Auto SIM lock OFF

*#*#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.

*#*#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 The Global Positioning System (GPS) is a space-based navigation system that provides location and time information in all weather conditions, anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites. test

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

*#*#232331#*#* - Bluetooth test Bluetooth is a wireless technology for exchanging data over short distances. The chip can be plugged into computers, digital cameras and mobile phones. Using a special radio frequency to transmit data, it creates a short range network. It is very secure and can connect up to eight devices (items of electronic equipment) at the same time. The chip can be plugged into items such as computers, digital cameras, mobile phones and faxes.

*#*#232337#*# - Shows Bluetooth device address in ZTE Z431

*#*#8255#*#* - This code can be used to launch GTalk Service Monitor. Gtalk Service Monitor and play services monitor are developer options to let you examine and debug the push connections to google talk and google play services. Below these, the "restore default heartbeats" button lets you bring back the original heartbeat exchange settings if you have to. The final button is about making a donation to the developer of this convenient app. and that is it! now, you are left to experiment with the data and wi-fi settings until you land the most comfortable intervals for you.

*#*#36245#*#* - Access email debug information.

Codes to get Firmware version information:

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

*#*#1234#*#* OR *#1234# - PDA and Phone firmware information

*#*#1111#*#* - FTA SW Version (1234 in the same code will give PDA and firmware version)

*#12580*369# - Software and hardware info

*#9090# - Diagnostic configuration in ZTE Z431

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

*#*#44336#*#* - PDA, Phone, CSC The Customer Service Code (CSC) plays an important role in the operation of your mobile device. Different countries have different standards for both voice and data communications to a cell phone tower. Although most countries follow the international standard for WiFi connects, there are variations from the standard. The CSC code ensures that your mobile device complies with the standards for your country, and your cell phone operator. The CSC code also determines the source for firmware updates via FOTA or Samsung Kies. , Build Time, Changelist number

Codes to launch various Factory Tests:

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

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

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

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

*#*#2663#*#* - Touch screen version ZTE Z431

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

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

*#*#3264#*#* - RAM version ZTE Z431



GSM codes for ZTE Z431 Change PIN PIN code or Personal identification number, numeric password to authenticate a user of an ATM or credit card. If you suspect that your handset has become blocked, you may need a PUK Code. PUK stands for Personal Unblocking Key. If you have entered your PIN code incorrectly 3 times your sim card will be blocked and you will be unable to make and receive calls/texts. - ** 04 *, then enter the PIN old, and twice a new PIN.


Change PIN2 - ** 042 *, then enter the old The PIN2, and twice the new PIN2.
Unlock SIM-card (PIN) - ** 05 * then enter the PUK and new PIN twice
Unlock SIM-card (PIN2) - ** 052 *, then enter the PUK2 and new PIN2 twice

Call Forwarding (you have to order the service from the operator) ##002# - Cancel all diverts


##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

Setting the call time until the call forwarding option "no answer" When installing forwarding on "no answer" you can set the time in seconds that the system allows you to hook. If during this time you have not picked up the phone, the incoming call will be diverted.


Example: - ** 61 * + ** 709576617601234 # 30 - set the waiting time of 30 seconds
Set timeout - ** 61 * Phone Number ** N #, N = 5..30 (seconds)
Remove the previous installation - ## 61 #

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 #

Barring of all outgoing calls


**33*password# - Activate
#33*password# - Deactivate
*#33# - Check the condition

Barring of all calls **330*password# - Activate


#330*password# - Deactivate
*#330# - Check the condition

Barring of all outgoing international calls **331*password# - Activate


#331*password# - Deactivate
*#331# - Check the condition

Barring of all outgoing calls **333*password# - Activate


#333*password# - Deactivate
*#333# - Check the condition

Barring of all incoming calls **353*password# - Activate


#353*password# - Deactivate
*#353# - Check the condition

Barring all incoming calls when roaming **351*password# - Activate


#351*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

Smart menu GP - *111#


Rob - *140#
Banglalink - *789#

Comments, questions and answers to the secret codes of ZTE Z431


Ask a question about secret codes ZTE Z431

http://mobilespecs.net/phone/codes/ZTE/ZTE_Z431.html