Tips and tricks to fix XIAOMI MI 9 problems. This is the triple camera Android smartphone from Xiaomi which use Android Pie as factory default operating system together with  MIUI 10 user interface. XIAOMI MI 9 is flagship smartphone which is release at 2019 using Qualcomm SDM855 Snapdragon 855 with Octa Core CPU and having dedicated GPU (graphic processor unit) Adreno 640 for playing almost all 3D games without troubles. Moreover this phone already have big internal memory for multitasking applications with 6 GB or 8 GB RAM options.

XIAOMI MI 9 is not 5G smartphone, the maximum speed for Broadband data use 4G connection HSPA and LTE-A. As flagship smartphone, this phone already have dual simcard slot for network provider, it can standby together to wait for phone call, but only one call can be received at one time. Find more review and information about how to solve troubles of XIAOMI MI 9 at community.


What is Advantage of XIAOMI MI 9 Specifications:

LCD 6.39 inches Super AMOLED
Internal memory 64 GB with 6 GB / 8 GB RAM
Internal memory 128 GB with 6 GB / 8 GB RAM
Main Camera Triple 48MP f/1.8 for wide + 16MP f/2.2 for ultra wide + 12MP f/2.2 for telephoto
Main Camera Features phase detection autofocus, Dual-LED Flash, HDR
Front camera 20 mp f/2.0 for selfie photography
Processor Octa-core 2.84 GHz Kryo 485 & 3×2.42 GHz Kryo 485 & 1.8 GHz Kryo 485)
GPU Adreno 640
Operating system Android Pie 9.0
Battery Li-Po 3300 mAh



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

This is high end smartphone, it have big internal memory as 64 GB or 128 GB, but one sadly XIAOMI MI 9 does not have external memory slot for MicroSD. However, having 64 GB already big enough for keep hundred of photos which taken from triple rear camera and still have available storage to install many applications from Google Play Store like Facebook, Whatsapp, Line Messenger, Viber, Telegram, WeChat, Instagram, Snapchat, Skype and some other more.

But please be careful when we want to download new or not famous applications, because sometime they may contain viruses or malware that can make some troubles at our XIAOMI MI 9 like hang or bricks or stuck or bootloop or frozen or LCD touch screen not responsive or LCD screen not responding with our finger touch. They will not get Verified by Play Protect information when we download it.

What do we have to do? First we have to try do soft reset or reboot or restart to remove temporary files or caches that can make some trouble at this phone. If our XIAOMI MI 9 can boot again normally, 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 next steps is doing 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 MI 9. For safety reasons, please do not install any unknown APK files, because it is very easy to make our phone getting trouble.


How To Fix XIAOMI MI 9 Camera Issues ?


How to Force Shutdown or Force Soft Reset or Reboot or Restart XIAOMI MI 9 ?


This phone have good features and specifications because XIAOMI MI 9 is flagship smartphone with big internal memory and fast processor. But sometime installed apps may crash and make this phone work not normal such as stuck or hang or LCD touch screen not responding with our finger touch. We need to remove temporary files and caches inside this phone. Please press and hold POWER button until XIAOMI MI 9 shutdown or turn off by itself. After it 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 MI 9 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.


How to backup data or Contact at XIAOMI MI 9 ?

Please note, XIAOMI MI 9 does not have external memory, but we can connect this phone with USB data cable to copy some important files to computer.

If our XIAOMI MI 9 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.


Complete Solutions To Backup & Restore Data / Photos On XIAOMI MI 9


How to Boot Recovery Mode at XIAOMI MI 9 ?

If we need to boot our XIAOMI MI 9 go to recovery mode. We can follow the steps at #Option 2 bellow 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.



#Option 1, Hard Reset XIAOMI MI 9 with software menu:

  1. Turn on the XIAOMI MI 9
  2. Please make sure battery capacity more then 50% or better fully charge
  3. Backup important data at XIAOMI MI 9 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 MI 9 will do the hard reset or master format to factory default process.


hard reset xiaomi mi 9

#Option 2, Hard Reset XIAOMI MI 9 with Hardware Button Key to Recovery Mode

  1. Turn Off XIAOMI MI 9
  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 MI 9 finish the process and the phone will start again like new


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

XIAOMI MI 9 have triple camera at back side of body, each lens have their own functions to take pictures for wide, ultra wide and telephoto. This phone can keep many private pictures or videos for daily activity. Some files are confidential, therefore we have to secure from unauthorized people. Please activate security protections. XIAOMI MI 9 already have new type of fingerprint which located at under display, so we will not see any fingerprint sensor at back or front or left/right side of body.

We have to register our fingerprint or face when we use face unlock recognizing. This phone will ask secondary protections that we can choose like screen lock pattern or password pin protections. The problems will start happen when we can not unlock this phone or forgot security answer or fingerprint sensor can not recognize our fingerprint. What should we do?

For security reasons, if we want to bypass forgotten security protection on XIAOMI MI 9, then we need to force 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 MI 9, because it can help us to bypass forgotten security protections.

Solutions To Fix Slow or Lag Issues On XIAOMI MI 9


Is That Any Secret Code for Doing Format XIAOMI MI 9 ?

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


How to Format or Erase Phone Memory at XIAOMI MI 9 ?

If we want to format internal memory phone then we have to do hard reset or reformat the operating system of XIAOMI MI 9 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.

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 MI 9 Stronger, Life Longer and Not Fast to Drain ?

XIAOMI MI 9 try to make the body weight is not to heavy, therefore this phone only have 3300 mAh capacity. Is it enough? For standard users, having 3300 mAh with new Qualcomm SDM855 Snapdragon 855 processor is already good to make battery lasting longer, because this processor use 7nm technology which use smaller battery consumption. However, some heavy users maybe still need more bigger battery playing games or watch movie several hours continuously. But we can not replace XIAOMI MI 9 battery with bigger capacity, because the battery is not removable. Therefore we have to do some adjustment to make XIAOMI MI 9 battery work longer like make LCD screen brightness as low as possible. We also have to disable all not use connections like NFC or Wifi or Bluetooth or GPS. Please try to use GPS battery saving mode for some apps.