Secret codes for Tecno Spark 4 Air
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Tecno secret codes
*#06# - IMEI (International Mobile Equipment Identity) numberANDROID Tecno secret codes for Tecno Spark 4 Air
*#*#4636#*#* - Displaying Phone Information Tecno Spark 4 Air. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)
*#*#225#*#* - Calendar Storage, check your events in calendar
*#*#426#*#* - Check the connectivity between the FCM server and the mobile devices
*#*#759#*#* - Rlz Debug UI. Unique Device ID, PID, ACAP
*#*#36245#*#* - Debug email in apps/Email
*#*#8255#*#* - Used to launch Google Talk Service Monitor
*#*#64663#*#* - Access Hardware Test (Sensors, Bluetooth, Battery, Speakers)
*#2886# - Factory Auto Testing
*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - Create backup to all 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#*#* - Adjust the functionality of the "End Call / Power" button on your phone.
*#*#34971539#*#* - Display the phone's camera information.
*#*#97#*#* - Language and Keyboard settings in Tecno Spark 4 Air
*#872564# - USB logging control
*#301279# - Display of the HSDPA/HSUPA Control Menu
*#9900# - System dump mode Tecno Spark 4 Air
*#*#46*#*# - Reset Sim in Tecno Spark 4 Air
*#*#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#*#* - Enter to GPS test
*#*#1575#*#* - For a more advanced GPS test
*#*#232331#*#* - Run Bluetooth test
*#*#232337#*# - Shows Bluetooth device address in Tecno Spark 4 Air
GSM codes for Tecno Spark 4 Air
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 #
Block all outgoing calls on your phone
**33*(enter password)#@ - Activate
#33*(enter password)#@ - Deactivate
*#33#@ - Check the condition
How to block all calls
*330*(enter password)# - Activate
#330*(enter password)# - Deactivate
*#330# - Check the condition
How to bar 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
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 block 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.
Comments, Questions and Answers about the secret codes of Tecno Spark 4 Air
| John | June 18, 2023 | |
| How to deactivate caller id | ||
| Khojho Phabulous | November 24, 2022 | |
| What is the code to change phone update | ||
| James | July 30, 2022 | |
| How to make my number private | ||
| Tadele Betela | March 17, 2022 | |
| My Phone is calling but not answer and any person call to me missed not showing and also not receiving:: please helpe me? | ||
| Patricia | March 11, 2021 | |
| How to deactivate call barring on Tecno spark 4 air | ||
| Jamestow | March 04, 2021 | |
| How to hide application on tecno spark 4 air | ||
| David | October 18, 2020 | |
| How to barring all incoming calls? | ||
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