Secret codes for Lava Z91
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Lava secret codes
*#06# - IMEI (International Mobile Equipment Identity) number*#110*01# This code can be used for a Enter into Engineering Mode
*#987# This code can be used for a Enter into factory Mode
*#987*99# This code can be used for a Restore Factory Settings
*#900# This code can be used for a show Software Version
*#800# This code can be used for a Check Software Version
*#369# This code can be used for a Change LCD Contrast:
Some Default User Codes here: 1122, 3344, 1234, 5678
To Enable COM Port: *#110*01# -> Device -> Set UART -> PS Config -> UART1/115200
**#0000# and [press call] : use Set Default Language
**#0007# and [press call] : use Set Language to Russian
**#0033# and [press call] : use Set Language to French
**#0034# and [press call] : use Set Language to Spanish
**#0039# and [press call] : use Set Language to Italian
**#0044# and [press call] : use Set Language to English
**#0049# and [press call] : use Set Language to German
**#0066# and [press call] : use Set Language to Thai
**#0084# and [press call] : use Set Language to Vietnamese
**#0966# and [press call] : use Set Language to Arabic
ANDROID Lava secret codes for Lava Z91
*#*#4636#*#* - Testing menu only have Phone Information, Usage Statistics and Wi-Fi information. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)
*#*#225#*#* - Upcoming calendar events
*#*#426#*#* - Google Play Services app with the information about the connectivity with the FCM server
*#*#759#*#* - Rlz Debug UI. Access Google Partner setup
*#*#36245#*#* - Debug email in apps/Email
*#*#8255#*#* - Used to launch G Talk Service Monitor
*#*#64663#*#* - Open engineering mode (Version, Bluetooth, Battery, Speakers)
*#2886# - Factory Auto Testing
*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - To copy and backup media files
*#*#7780#*#* - Factory Data Reset. 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#*#* - Display the phone's camera information.
*#*#97#*#* - Language and Keyboard settings in Lava Z91
*#872564# - USB logging control
*#301279# - To display HSDPA/HSUPA Control Menu
*#9900# - System dump mode Lava Z91
*#*#46*#*# - Reset Sim in Lava Z91
*#*#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#*#* - Display of the Wi-Fi Mac address on your phone.
*#*#1472365#*#* - Run GPS test
*#*#1575#*#* - For a more advanced GPS test
*#*#232331#*#* - Device Bluetooth test
*#*#232337#*# - Shows Bluetooth device address in Lava Z91
GSM codes for Lava Z91
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 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 |
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 #
Restrict 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
Block outgoing international calls
*331*(enter password)# - Activate
#331*(enter password)# - Deactivate
*#331# - Check the condition
Barring of all outgoing international calls during roaming on your phone
*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
Restrict 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 Lava Z91
| Harshit Tyagi | November 10, 2019 | |
| How can I see previous call details in my phone with code?? | ||
| Hema | August 23, 2018 | |
| I want to call barring for all incoming calls but this is not done in my phone | ||
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