Secret codes for Huawei P20
Mobiles >> Huawei >> Huawei P20| Specifications | Reviews | Secret codes |
| Unlock phone | Root phone |
| Backup | Flash Firmware | Screenshot |
| Hard Reset |
Huawei secret codes
*#06# - IMEI (International Mobile Equipment Identity) number*#0*# - Enter Service Menu
*#*#34971539#*#* - Detailed Camera Information
*#*#273282*255*663282*#*#* - Backup All Media Files
*#*#232339#*#* - Wireless LAN Test
*#*#197328640#*#* - Enable Test Mode for Service
*#*#0842#*#* - Back-light Test
*#*#0842#*#* - Vibration Test
*#*#1111#*#* - FTA Software Version
*#12580*369# - Display all Software and Hardware information of your phone
*#9090# - Diagnostic Configuration
*#872564# - USB Logging Control
*#9900# - System Dump Mode
*#301279# - HSDPA/HSUPA Control Menu
*#7465625# - View Phone Lock Status
*#*#232338#*#* - Shows WiFi MAC address
*#*#1472365#*#* or *#*#1575#*#* - GPS test
Hard Reset / Full Restore
Type ##258741
Version
Type ##1857448368
Test Mode
Type ##147852
NAM Setting & Hardware Test
Type #8746846549
NAM Setting & Hardware Test
Type ##1168453865
NAM Setting & Hardware Test
Type ##5674165485
NV OR RUIM
Type ##8541221619
Monitoring Debug
Type ##3515645631
##497613 - RF test option > Enter FTM mode.
##745698 - Get Version Number
*#*#2846#*#* - MMI Audio Simple test
*#2846# - MMI Manu Normal test
*#*#2846579#*#* - Version info, network information, veneer information etc.
*#*#6130#*#*- Testing
*#*#0000#*#*- About phone
*#*#2846579159#*#* - Project Menu Act
*#*#2846579#*#*> - Project Menu
*#*#6130#*#* - Testing Menu
ANDROID Huawei secret codes for Huawei P20
*#*#4636#*#* - Android Testing Mode Huawei P20. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)
*#*#225#*#* - This code show the number of festivities and events in your calendar
*#*#426#*#* - Google Play Services app with the information about the connectivity with the FCM server
*#*#759#*#* - RLZ debug interface
*#*#36245#*#* - This code show email debug informations
*#*#8255#*#* - This code show the GTalk Service Monitor
*#*#64663#*#* - Engineering Mode (Version, WLAN, Bluetooth, Battery, Speakers)
*#2886# - Factory Auto Testing
*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - To copy and backup media files
*#*#7780#*#* - Factory Data Reset (all phone data will be erased). 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 action of the "End Call / Power" button on your phone.
*#*#34971539#*#* - Huawei P20 Camera Information.
*#*#97#*#* - Language and Keyboard settings in Huawei P20
*#872564# - USB logging control
*#301279# - HSDPA/HDUPA connection settings menu
*#9900# - System dump mode Huawei P20
*#*#46*#*# - Reset Sim in Huawei P20
*#*#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#*#* - This code is displays WiFi MAC address of your device.
*#*#1472365#*#* - GPS test mode
*#*#1575#*#* - For a more advanced GPS test
*#*#232331#*#* - Bluetooth Test Mode
*#*#232337#*# - Shows Bluetooth device address in Huawei P20
GSM codes for Huawei P20
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 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 #
All outgoing calls barring
**33*(enter password)#@ - Activation
#33*(enter password)#@ - Deactivation
*#33#@ - Check Status
All calls barring
*330*(enter password)# - Activation
#330*(enter password)# - Deactivation
*#330# - Check Status
Block outgoing international calls
*331*(enter password)# - Activation
#331*(enter password)# - Deactivation
*#331# - Check Status
Block all outgoing international calls on your phone when roaming
*332*(enter password)# - Activation
#332*(enter password)# - Deactivation
*#332# - Check Status
All outgoing calls barring
*333*(enter password)# - Activation
#333*(enter password)# - Deactivation
*#333# - Check Status
All incoming calls barring
*353*(enter password)# - Activation
#353*(enter password)# - Deactivation
*#353# - Check Status
All incoming calls barring while roaming
*351*(enter password)# - Activation
#351*(enter password)# - Deactivation
*#351# - Check Status
Call waiting (you have to order the service from the operator)
*43# - Activation
#43# - Deactivation
*#43# - Check Status
Transfer your phone number (Anti ANI)
#30#phone number - Block
*30#phone number - Allow
*#30# - Check Status
Show phone number of the caller you (ANI)
#77# - Block
*77# - Allow
*#77# - Check Status
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 Huawei P20
| Marelize | November 26, 2021 | |
| I want secret codes to debug my phone | ||
| Blu | June 07, 2021 | |
| i have a p20 pro i need a code to enable the volte optioin to fully utilize my sim card for call functions | ||
| Blu | June 07, 2021 | |
| i have p20 pro | ||
| Blu | June 07, 2021 | |
| is there a code for enabling volte toggle option i can not find it and i need it to fully use my sim card | ||
| Asloob | February 20, 2019 | |
| How to check DRIVE TEST PARAMETERS LIKE BANDS AND FREQUENCY SELECTED TO MY PHONE | ||
| Ellen | January 21, 2019 | |
| Is there a code for a p20 that tells me if it's factory new or refurbished? | ||
Ask a question about Huawei P20
Smartphone brand Nubia is preparing for the premiere of its new flagship - model Nubia Z70 Ultra. In anticipation of this event, the company announced the date of presentation of the gadget, as well as revealed its key hardware specifications.
Insider Digital Chat Station revealed part of the specifications of smartphones OnePlus 13R and 13R Pro. Became known models of their processors, screen resolution, battery capacity, the composition of the camera unit and the power of fast charging.
Well-known insider Digital Chat Station shared the first details about the new Nubia brand - gaming smartphone Red Magic 10 Ultra.