Tips and tricks to fix XIAOMI REDMI NOTE 9 PRO problems. This is 4G smartphone, still does not have 5G data broadband. Mid end smartphone from Xiaomi which use Qualcomm processor SM7125 Snapdragon 720G together with dedicated GPU (graphic processor unit) Adreno 618 for playing games. This phone design with full screen 6.67 inches IPS Full HD LCD at 1080 x 2400 pixels, of course it have screen protections Corning Gorilla Glass 5. The small dot is available at top of screen for 16 megapixel front camera location.

When the first time release in the market, XIAOMI REDMI NOTE 9 PRO already installed with Android 10.0 package with MIUI 11 Xiaomi user interface. At back side of body we will find rectangular shape for four camera location. Some users get issue with XIAOMI REDMI NOTE 9 PRO software and hardware, therefore we will try to give more review, information and solutions how to solve troubles of XIAOMI REDMI NOTE 9 PRO at community.


What is Advantage of XIAOMI REDMI NOTE 9 PRO Specifications and Features:

  • 4G LTE
  • LCD 6.67 inches
  • Internal memory 64 GB and 128 GB
  • RAM 6 GB
  • Main Camera Quad 64 MP f/1.9 + 8 MP f/2.2 + 5 MP f/2.4 + 2 MP f/2.4
  • Front camera 16 MP for selfie photography
  • Processor Octa-core 2×2.3 GHz Kryo 465 Gold & 6×1.8 GHz Kryo 465 Silver
  • GPU Adreno 618
  • Operating system Android 10.0
  • Battery Li-Po 5020 mAh



How To Solve XIAOMI REDMI NOTE 9 PRO Camera Error Problems ? 


How to Fix or Problem Solving for Recovery XIAOMI REDMI NOTE 9 PRO hang or not responding or malfunctions or stuck or freezing or bricked ?

XIAOMI REDMI NOTE 9 PRO comes with big enough RAM with 6 GB and two options of internal memory, start from 64 GB or 128 GB. We can extend the storage using external memory MicroSD card, usually for keep all photos and videos. Therefore we recommended to use fast speed MicroSDXC.

This phone have good performance for work or fun, especially because use GPU Adreno 618 for playing HD games. There are many interesting applications that we can install from Google Play Store such as Facebook, Whatsapp, WeChat, Kakaotalk, Skype, Telegram, Instagram and some other more.

Please do not easily install new or not famous applications, because some of them may have viruses or malware that can make our XIAOMI REDMI NOTE 9 PRO get troubles like become slowly or hang or stuck or LCD touch screen not responding with our finger touch. If we must install that kind of apps,then take some time to read many user review. These kind of apps will not get Verified by Play Protect from Google Play Store.

What do we have to do? First we have to try force soft reset or reboot or restart to remove temporary files or caches that can make some trouble at this phone. If our XIAOMI REDMI NOTE 9 PRO can boot again, then please directly download one good antivirus applications from Google Play Store like AVAST or NORTON, please choose only one we like. The antivirus will try to scan all installed applications and give recommendation setting to our phone. If the problems still happen, then please do hard reset or master format. Please note, doing hard reset will remove or erase all important data, therefore we have to backup all data first before doing master format. Doing hard reset will remove all Google account from XIAOMI REDMI NOTE 9 PRO. For safety reasons, please do not install any unknown APK files, because it is very easy to make our phone getting trouble.


We can Install Free Antivirus for Protect XIAOMI Android



How to Force Shutdown or Force Soft Reset or Reboot or Restart XIAOMI REDMI NOTE 9 PRO ?

With big 6 GB RAM, this phone able to run many multitasking applications. But some installed apps also may crash or corrupt when running, then XIAOMI REDMI NOTE 9 PRO will run not normal or stuck or LCD touch screen not responsive with our finger touch. We have to remove temporary files and caches.

Please press and hold POWER button until XIAOMI REDMI NOTE 9 PRO shutdown or turn off by itself. We also can try to press POWER + VOLUME DOWN together to turn it off. After this phone totally off, then we can press again POWER button to turn it ON. This process will not remove any important data, therefore we can do this process anytime we want. If our XIAOMI REDMI NOTE 9 PRO still can work properly, but we want to clear temporary files and caches from some applications, then please press and hold POWER button until pop-up menu appear, continue choose Shutdown / Power off / Reboot menu.


Solution To Fix Slowly Lagging Issues On XIAOMI REDMI NOTE 9 PRO


How to backup data or Contact at XIAOMI REDMI NOTE 9 PRO ?

We can copy or backup some important data to external memory MicroSD using XIAOMI REDMI NOTE 9 PRO file manager.

We can connect our phone to computer using USB data cable and after our computer recognize our XIAOMI REDMI NOTE 9 PRO, then please backup all important data using computer file manager application.

We also can use USB flash disk to connect using OTG or USB converter to backup data from internal memory to USB Flash Drive using XIAOMI REDMI NOTE 9 PRO file manager

If our XIAOMI REDMI NOTE 9 PRO has already signed in with Google account, by default our contact will be synchronize in the background to Google server. Please make sure we check all contact at Google contact server using Internet browse to make sure backup is done.



More Complete Procedure To Backup and Restore Data On XIAOMI REDMI NOTE 9 PRO


How to Boot Recovery Mode at XIAOMI REDMI NOTE 9 PRO ?

If we need to boot our XIAOMI REDMI NOTE 9 PRO go to recovery mode. We can follow the steps at #Option 2 above from steps no.1 until no.4. After that steps finish, then we will find list of menu options, and choose Recover menu or any other menu as what we need to do.


Please note: These options bellow may not work for some devices because of firmware update version or hardware troubles or some other possibilities.

#Option 1, Hard Reset XIAOMI REDMI NOTE 9 PRO with software menu:

  1. Turn on the XIAOMI REDMI NOTE 9 PRO
  2. Please make sure battery capacity more then 50% or better fully charge
  3. Backup important data at XIAOMI REDMI NOTE 9 PRO because all data and applications will be erase or delete
  4. Go to Menu :  Setting > General Setting > Backup and Reset > Factory Data Reset
  5. Choose : Reset Device > Delete all
  6. The XIAOMI REDMI NOTE 9 PRO will do the hard reset or master format to factory default process.


hard reset xiaomi redmi note 9 pro

#Option 2, Hard Reset XIAOMI REDMI NOTE 9 PRO with Hardware Button Key to Recovery Mode

  2. Make sure the battery is fully charge
  3. Press and hold POWER BUTTON + VOLUME UP BUTTON key
  4. Release all button after the LCD show Recovery Mode
  5. Use Volume Button to select the option and press POWER Button to Ok or Confirm or Choose. Please choose Wipe all data to finish the Hard Reset or Master Format Steps
  6. Wait until the XIAOMI REDMI NOTE 9 PRO finish the process and the phone will start again like new


How to Unlock or Fix or Bypass or Solutions for XIAOMI REDMI NOTE 9 PRO forgot password code or security lock screen pattern or pin (lost password)?

XIAOMI REDMI NOTE 9 PRO have quad camera with big 64 megapixel wide + 8 megapixel for ultrawide with 119 degree + 5 megapixel for macro + 2 megapixel for DOF or Bokeh. We will have many personal photos and videos. Beside that, we also will have many important apps and data that need to secure from unauthorized people when this XIAOMI REDMI NOTE 9 PRO away from us or stolen or lost.

Fingerprint is located at side body, it makes easy to unlock although we put this phone on the table. Beside fingerprint, we also can use 16 megapixel selfie camera for face unlock recognizing. After first protections finish registered, we have to activate secondary protections like screen lock pattern or password pin protections. The problems will start happen when we can not unlock this phone or forgot screen lock pattern / password pin or fingerprint can not work. What should we do?

For security reasons, we can not remove or bypass forgotten security protections at XIAOMI REDMI NOTE 9 PRO without hard reset or master format, please follow steps at #Option 2 above to force hard reset or reformat to factory default. New Xiaomi smartphone already use latest Android version which implement FRP (Factory Reset Protection). FRP is important to secure our phone when it is stolen or lost. Android will ask for Verify your account with previous Google Account after finish performing hard reset or master format. Therefore we have to remember carefully our Google / Gmail username and password. We also recommended to activate or create XIAOMI ACCOUNT at XIAOMI REDMI NOTE 9 PRO, because it can help us to bypass forgotten security protections.


Is That Any Secret Code for Doing Format XIAOMI REDMI NOTE 9 PRO ?

There is no secret hidden code for XIAOMI REDMI NOTE 9 PRO to make it back to factory default. Do the options above to hard reset it.


How to Format or Erase Phone Memory at XIAOMI REDMI NOTE 9 PRO ?

There are two phone memory type at XIAOMI REDMI NOTE 9 PRO, one is internal memory and the other one is external memory. If we want to format internal memory phone then we have to do hard reset or reformat the operating system of XIAOMI REDMI NOTE 9 PRO as well. Please use menu setting to do hard reset or reformat using #option 1 above, but make sure to give checkbox mark at Erase Internal SD card / Internal storage. Then it will reformat the factory default operating system and remove or erase any data inside internal memory.

To reformat or wipe or erase all data at external memory, we can use menu Setting > Storage > Erase Internal Storage / SD Card. Please always make sure all data has already backup before reformat or wipe everything, because it is hard to recover formatted / wiped data at internal or external storage.


How to Make Battery of XIAOMI REDMI NOTE 9 PRO Stronger, Life Longer and Not Fast to Drain ?

XIAOMI REDMI NOTE 9 PRO already use big battery with 5020 mAh capacity. The battery is not removable. This phone also already have Qualcomm fast charging technology 30W for quick charge. With low power Qualcomm SM7125 Snapdragon 720G processor, we can use this phone full one day without recharge. But if we still want to make XIAOMI REDMI NOTE 9 PRO battery work more longer, then please do some adjustment like make LCD screen brightness as low as possible and disable all not use connections like NFC or GPS or Bluetooth or Wifi.



  • How to Hard Reset or Master Format XIAOMI REDMI NOTE 9 PRO without password / passcode ?

    When the first time setup this phone, the protections is not active. We have to choose and activate security protections, but some users get troubles when they want to reformat or hard reset XIAOMI REDMI NOTE 9 PRO, because it always ask the password protections. If we can not remember the password pattern, then please try to do hard reset using hardware button combination key like steps at #option 2 above. It will reformat XIAOMI REDMI NOTE 9 PRO from OFF positions. But for security reasons, we have to make sure this phone is belong to us by type our previous Google account after finish hard reset.