| 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 |
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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 |
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Thomas Nilan Smartphone Expert |
| Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones. | |
 | 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 | ||
| Kjgagg | March 25, 2024 |
| The software is smooth and responsive, with regular updates. The design is sleek, with a sturdy build quality. The screen is vibrant and sharp. The camera takes excellent photos. Battery life is impressive. Good value for money. | ||
| Reply | ||
