| Specification Xiaomi Redmi Note 9 Pro |
| Hard reset Xiaomi Redmi Note 9 Pro |
| Root Xiaomi Redmi Note 9 Pro |
| Unlock Xiaomi Redmi Note 9 Pro |
| Firmware Xiaomi Redmi Note 9 Pro |
| Developer Mode Xiaomi Redmi Note 9 Pro |
| Bypass Lock Screen Xiaomi Redmi Note 9 Pro |
| Xiaomi Redmi Note 9 Pro Factory Reset |
| Screenshot Xiaomi Redmi Note 9 Pro |
| Compare Xiaomi Redmi Note 9 Pro |
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OS: Android 10.0; MIUI 11 CPU: Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) Display: 6.67" inc Camera: 48 MP,
Quad |
| *#06# | - IMEI, a unique number given to every single mobile phone |
| *#*#3646633#*#* or *#*#54298#*#* | - Engineering Mode (for smartphones based on MTK processor) |
| *#*#4636#*#* | - Display information about Phone, Battery and Usage statistics |
| *#*#225#*#* | - This code show the number of festivities and events in your calendar |
| *#*#426#*#* | - Google Play services android. |
| *#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 system hidden menu |
| *#*#36245#*#* | - Display Email debug informations |
| *#*#8255#*#* | - Google Talk Service Monitor in Android mobile phones will monitor Google Talk host address and port, your Google JID, your device ID, GTalk connection status, your connection history |
| *#*#64663#*#* | - Used to launch Hardware Test |
| *#*#7780#*#* | - This code erases all your mobile data. |
| *2767*3855# | - The firmware of the device is completely reinstalled |
| *#*#232338#*#* | - Wi-Fi Mac Address |
| *#*#34971539#*#* or *#34971539# | - Display full information about the camera. |
| *#*#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#*#* | - GPS Test Code |
| *#*#197328640#*#* | - Enabling test mode for service activity |
| *#*#0283#*#* | - Packet Loopback test |
| *#0228# | - battery calibration |
| *#*#232339#*#* OR *#*#526#*#* | - Wireless Lan Tests |
| *#*#0*#*#* | - LCD Screen Test Code |
| *#*#3264#*#* | - Ram version |
| *#*#1111#*#* | - FTA Software version |
| *#*#2664#*#* | - Touch-Screen test |
| *#*#0588#*#* | - Test the functionality of your proximity sensor |
| *#*#8351#*#* | - Enables voice dialing logging mode |
| *#*#232331#*#* | - Show Bluetooth Test Mode |
| *#*#232337#*# | - Displays Bluetooth address |
| *#*#7262626#*#* | - Field test |
| *#*#0289#*#* OR *#*#0673#*#* | - Audio test |
| *#*#0842#*#* | - Check Device Test Vibration and Backlight |
| *#*#2663#*#* | - Display device's 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 |
| 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 | |
| Set up Call waiting | |
| *43# | - Activation call waiting |
| #43# | - Deactivation call waiting |
| *#43# | - Check status of call waiting |
| GSM codes for 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# | - Divert all calls Activate |
| #21# | - Divert all calls Deactivate |
| *#21# | - Check status of divert all calls |
| Set up call forwarding in case of "no answer" | |
| **61*PhoneNumber# | - Register and activate divert on no answer to PhoneNumber |
| ##61# | - Unregister divert on no answer |
| *61# | - Activation Divert on no answer calls |
| #61# | - Deactivate divert on no answer calls |
| *#61# | - Check status of divert on no answer |
| Set call forwarding 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 |
| Forwarding in case of "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 |
| 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 |
| GSM codes for barring all calls | |
| **330*code# | - Enable Barr all calls on your phone |
| #330*code# | - Disable Barr all calls on your phone |
| *#330*code# | - Check status of barr all calls |
| Barr all outgoing international calls | |
| **331*code# | - Barr all outgoing international calls Activate |
| #331*code# | - Barr all outgoing international calls Deactivate |
| *#331*code# | - Check status of barr all outgoing international calls |
| USSD Codes For Barring all outgoing international calls except home country | |
| **332*code# | - Barr all outgoing international calls except home country Activate |
| #332*code# | - Barr all outgoing international calls except home country Deactivate |
| *#332*code# | - Check status of barr all outgoing international calls except home country |
| GSM codes for barring all outgoing calls | |
| **333*code# | - Barr all outgoing calls Activate |
| #333*code# | - Barr all outgoing calls Deactivate |
| *#333# | - Check status of barr all outgoing calls |
| Barr all incoming calls | |
| **35*code# | - Enable Barr all incoming calls on your phone |
| #35*code# | - Disable Barr all incoming calls on your phone |
| *#35# | - Check status of barr all incoming calls |
| GSM codes for barring all incoming calls when roaming | |
| **351*code# | - Enable Barr all incoming calls when roaming on your phone |
| #351*code# | - Disable Barr all incoming calls when roaming on your phone |
| *#351# | - Check status of barr all incoming calls when roaming |
| Barr all incoming calls | |
| **353*code# | - Activation Blocking all incoming calls |
| #353*code# | - Deactivate Block all incoming calls |
| *#353# | - Check status of Blocking all incoming calls |
 | How to hide the application? | September 15, 2020 |
| Nice | ||
| Reply | ||
| Avinash Pandey | September 29, 2020 |
| Sir my network sometimes not working good in this mobile and i cant play game because there shows the server is not available it shows every time what can i do | ||
| Reply | ||
| Dinesh | October 22, 2020 |
| Why my redmi note 9 pro not showing 4g+? | ||
| Reply | ||
| Mhd aboobacker | November 09, 2020 |
| Mi new version miul 12 battery backeup issue What can I do | ||
| Reply | ||
| Jesse Webb | January 03, 2021 |
| Trying to get my phone to work with Verizon | ||
| Reply | ||
| Mr Nrj | January 21, 2021 |
| Redmi Note 9pro max What Is Call Barring Default code | ||
| Reply | ||
| Sanjay | February 22, 2021 |
| Redmi note 9pro barring code | ||
| Reply | ||
| Suraj kumar | April 10, 2021 |
| Actullaly don't work my outgoing calls | ||
| Reply | ||
| Wolface | May 13, 2021 |
| Sir, no code works on my phone !!! What's this problem ??? | ||
| Reply | ||
| binod | May 28, 2021 |
| redmi 9 power hardware test *#*#64663#*#* is not working | ||
| Reply | ||
| YOGESH | June 03, 2021 |
| Sir bearing cord nahi mil raha hai | ||
| Reply | ||
| Rohit Kumar | June 04, 2021 |
| Toch panel problem | ||
| Reply | ||
| Arvind | June 13, 2021 |
| Redmi not 9 pro barring code | ||
| Reply | ||
| Abhijeet | July 05, 2021 |
| My redmi note 9 pro mobile has been fallen down and the uper speaker doesn't work what can I do | ||
| Reply | ||
| Abhijeet | July 05, 2021 |
| Uper speaker test code | ||
| Reply | ||
| Srikanth | August 28, 2021 |
| INTERNET/signal is missing for every 20 minutes interval | ||
| Reply | ||
| odin | October 05, 2021 |
| how to fix puk code | ||
| Reply | ||
| Subho | November 04, 2021 |
| I want call barring number for redmi note 9 pro | ||
| Reply | ||
| Avi | April 11, 2023 |
| I forget my password how I can open my mobile | ||
| Reply | ||
| Chrakant Bhare | September 09, 2023 |
| When call arrived not displayed on my phone redmi note 9 pro Please advise | ||
| Reply | ||
