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Lava Z21 secret codes


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Lava Z21


OS: Android v11

CPU: Octa core, 1.6 GHz
RAM: 32 GB
Display: 5.0 inches (12.7 cm)
Battery: Li-ion






Secret codes for Lava Z21

*#06#- International Mobile Equipment Identity
*#*#3646633#*#* or *#*#54298#*#*- Engineering Mode (for smartphones based on MTK processor)
*#*#4636#*#*- Phone information (Phone, Battery, WiFi and other)
*#*#225#*#*- This code check your events in calendar
*#*#426#*#*- Debug information for Google Play service.
*#0011#- ServiceMode
*#0808#- Change USB Settings
*#9900#- Dump mode
*#9090#- Diagnostic configuration
*#0*#- General Test Mode
*#2663#- TSP / TSK firmware update
*#12580*369#- Software and hardware info
*#0283#- Audio Loopback Control
#7465625*638*#- Insert Network Lock Key Code
*#*#759#*#*- RLZ Debug UI (Device ID, Activation Status and few other things
*#*#36245#*#*- Display a debug information about your email ID
*#*#8255#*#*- This code can be used to launch GTalk Service Monitor
*#*#64663#*#*- Mobile phones Hardware Test
*#*#7780#*#*- Reset to factory settings.
*2767*3855#- Reset to factory settings
*#*#232338#*#*- Shows Wi-Fi Mac-address
*#*#34971539#*#* or *#34971539#- Display camera information.
*#*#1234#*#*- PDA and Phone firmware info
*#*#7594#*#*- Changing the power button behavior-Enables direct poweroff once the code enabled
*#*#1472365#*#*- For a quick GPS test
*#*#273283*255*663282*#*#*- For a quick backup to all your media files
*#*#1575#*#*- Test GPS
*#*#197328640#*#*- Enabling test mode for service activity
*#*#0283#*#*- Packet Loopback test
*#0228#- battery calibration


*#*#232339#*#* OR *#*#526#*#*- Wireless Lan Tests
*#*#0*#*#*- LCD display test Code
*#*#3264#*#*- Display Ram version
*#*#1111#*#*- FTA Software version
*#*#2664#*#*- Touch-Screen test
*#*#0588#*#*- Test the proximity sensor
*#*#8351#*#*- Enables voice dialing logging mode
*#*#232331#*#*- Check Bluetooth
*#*#232337#*#- Bluetooth address
*#*#7262626#*#*- Field test
*#*#0289#*#* OR *#*#0673#*#*- Audio test
*#*#0842#*#*- Backlight and Vibration test
*#*#2663#*#*- Touch-screen version
*#*#44336#*#*- Displays Build time and change list number
*#*#4986*2650468#*#*- PDA, Phone, Hardware, RF Call Date firmware info
*#*#8350#*#*- Disables voice dialing logging mode
*#*#2222#*#*- FTA Hardware verion


GSM codes for Lava Z21



Change code
**03*old code*new code*new code#            
                  - Change code for call barring
**04*old PIN code*new PIN *new PIN#            
                  - Change SIM Card PIN code
**042*old PIN2 code*new PIN2*new PIN2#            
                  - Change SIM Card PIN2 code
**05*PUK code*new PUK*new PUK#            
                  - Change SIM Card PUK code
**052*PUK2 code*new PUK2*new PUK2#            
                  - Change SIM Card PUK2 code
Call waiting
*43#- Enable call waiting on your phone
#43#- Disable call waiting on your phone
*#43#- Check status of call waiting
Set up Call Forwarding
##002#- Disable All Call Forwarding
**004*PhoneNumber#- Set all configured call diversions to PhoneNumber
##004#- Unregister all configured call diversions
Call Forward All
*21*PhoneNumber#- Register and activate divert all calls to PhoneNumber
##21#- Unregister divert all calls
*21#- Enable divert all calls
#21#- Disable divert all calls
*#21#- Check status of divert all calls
Divert calls if your line is "no answer"
**61*PhoneNumber#- Register and activate divert on no answer to PhoneNumber
##61#- Unregister divert on no answer
*61#- Enable Divert on no answer calls on your phone
#61#- Disable divert on no answer calls on your phone
*#61#- Check status of divert on no answer
Configure call diversion in case of "not available"
**62*PhoneNumber#- Register and activate divert on not reachable
##62#- Unregister divert on not reachable
*62#- Activate divert on not reachable
#62#- Deactivate divert on not reachable
*#62#- Check status of divert on not reachable
Divert calls if your line is "busy"
**67*PhoneNumber#- Register and activate divert on busy
##67#- Unregister divert on busy
*67#- Activate divert on busy
#67#- Deactivate divert on busy
*#67#- Check status of divert on busy all call types
*#67*11#- Check status of divert on busy voice calls
*#67*13#- Check status of divert on busy fax calls
*#67*25#- Check status of divert on busy data calls
Activate or deactivate Barr all outgoing calls
**33*code#- Activate barr all outgoing calls (for code see "Safety" above)
#33*code#- Deactivate barr all outgoing calls
*#33#- Check status of barr all outgoing calls
USSD Codes For Barring all calls
**330*code#- Barr all calls is turned ON
#330*code#- Barr all calls is turned OFF
*#330*code#- Check status of barr all calls
Block all outgoing international calls
**331*code#- Barr all outgoing international calls Enable
#331*code#- Barr all outgoing international calls Disable
*#331*code#- Check status of barr all outgoing international calls
Codes for barring all outgoing international calls except home country
**332*code#- Enable barr all outgoing international calls except home country
#332*code#- Disable Barr all outgoing international calls except home country
*#332*code#- Check status of barr all outgoing international calls except home country
USSD Codes For Barring all outgoing calls
**333*code#- Barr all outgoing calls Enable
#333*code#- Barr all outgoing calls Disable
*#333#- Check status of barr all outgoing calls
Activate or deactivate barring all incoming calls
**35*code#- Barr all incoming calls is turned ON
#35*code#- Barr all incoming calls is turned OFF
*#35#- Check status of barr all incoming calls
USSD Codes For Barring all incoming calls when roaming
**351*code#- Barr all incoming calls when roaming is turned ON
#351*code#- Barr all incoming calls when roaming is turned OFF
*#351#- Check status of barr all incoming calls when roaming
Block all incoming calls
**353*code#- Enable Blocking all incoming calls on your phone
#353*code#- Disable Block all incoming calls on your phone
*#353#- Check status of Blocking all incoming calls


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