Tips and tricks to fix XIAOMI MIX 4 problems. This is the first Xiaomi smartphone that use under display front selfie camera 20 megapixel, therefore we will not see any notch or punch hole on the AMOLED 6.67 inches screen Full HD+ resolution. The camera use micro-diamond pixel pattern. This phone work with 5G connection on dual dual simcard slot standby together. It is powered by flagship processor Qualcomm SM8350 Snapdragon 888+ 5G with dedicated GPU Adreno 660 for fast graphic rendering.

This phone already preinstalled with Android 11 together with MIUI 12.5 when the first time release at the market. It has IP53 rating for dust and water splash protection, please note we can not bring this phone to swim. We will give some solutions to fix several issues with XIAOMI MIX 4 hardware or software at community.


What are Advantages of XIAOMI MIX 4 Specifications and Features:

  • 4G LTE + 5G
  • LCD 6.5 inches
  • Internal memory 64 GB with 4 GB RAM
  • Internal memory 128 GB with 6 GB RAM
  • Main Camera Triple 48 MP f/1.8 + 2 MP f/2.4 + 2 MP f/2.4
  • Front camera 8 MP for selfie photography
  • Processor Octa-core 2×2.2 GHz Cortex-A76 & 6×2.0 GHz Cortex-A55
  • GPU Mali-G57 MC2
  • Operating system Android 11
  • Battery Li-Po 5000 mAh



Solutions To Fix Camera Issues On XIAOMI MIX 4


How to Fix or Problem Solving for Recovery XIAOMI MIX 4 hang or not responding or malfunctions or stuck or freezing or bricked ?

This is flagship smartphone that work with Qualcomm SM8350 Snapdragon 888+ 5G processor with dedicated graphic processor unit Adreno 660, therefore we can download many games and applications from Google Play Store. All games and applications will be saved inside 128 GB or 256 GB or 512 GB internal storage.

We need to read many user reviews before download new or not famous applications, because some of they may contain viruses or malware. They can act as fake security applications or fake gaming. If they are installed on our XIAOMI MIX 4, then some troubles will happen like become slowly or hang or stuck or bricks or bootloop or frozen or LCD touch screen not responsive. These kind of apps will not get “Verified by Play Protect” from Google Play Store.

If we get this problems, we have to try clean temporary files and caches by performing soft reset or restart or reboot. When restart finish, please install one recommended antivirus like AVAST or NORTON on XIAOMI MIX 4, this antivirus will scan for suspected applications and give recommended safe setting options.

When the problems still happen, then we have to do hard reset or master format for reinstall the operating system to factory default. Please note, reformat will remove or erase all installed applications and data from our XIAOMI MIX 4. For safety reasons, please do not install any APK from unknown sources, because it can make some troubles. Reformat also will remove Google account and Xiaomi account from this phone.


Recommended Antivirus For XIAOMI Smartphone



How to Force Shutdown or Force Soft Reset or Reboot or Restart XIAOMI MIX 4 ?

As high end smartphone, XIAOMI MIX 4 has 8 GB or 12 GB RAM options. However, when some installed applications crash or corrupt or stuck, then the LCD touch screen may not responsive with our finger touch or hang. We need to clean temporary files and caches.

When it stuck or freezing, please try to press and hold POWER BUTTON until XIAOMI MIX 4 turning off or shutdown by itself. We also can try to press POWER BUTTON + VOLUME DOWN together to force turn it off.

When our phone still work properly, but we want to clean temporary files and caches, please press and hold POWER BUTTON until pop-up menu appear and choose Shutdown / Power off / Reboot. Soft reset or restart process will not remove any installed apps and important data, therefore we can do this process anytime we want.


Solutions To Fix Slowly Issues On XIAOMI MIX 4 – Make It Run More Faster


How to backup data or Contact at XIAOMI MIX 4 ?

We can connect our phone to computer using USB data cable and after computer recognized our XIAOMI MIX 4, 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 MIX 4 file manager

If our XIAOMI MIX 4 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 Solutions For Backup & Restore Data On XIAOMI MIX 4


How to Boot Recovery Mode at XIAOMI MIX 4 ?

If we need to boot our XIAOMI MIX 4 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.


#Option 1, Hard Reset XIAOMI MIX 4 with software menu:

  1. Turn on the XIAOMI MIX 4
  2. Please make sure battery capacity more then 50% or better fully charge
  3. Backup important data at XIAOMI MIX 4 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 MIX 4 will do the hard reset or master format to factory default process.


hard reset xiaomi mi mix4

#Option 2, Hard Reset XIAOMI MIX 4 with Hardware Button Key to Recovery Mode

  1. Turn Off XIAOMI MIX 4
  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 MIX 4 finish the process and the phone will start again like new


How to Unlock or Fix or Bypass or Solutions for XIAOMI MIX 4 forgot password code or security lock screen pattern or pin (lost password)?

We can choose to buy 128 GB or 256 GB or 512 GB internal storage to keep all downloaded applications or important data. We also will have many important cameras because this phone has flagship camera with 108 megapixel for wide + 8 megapixel for telephoto 5x optical zoom + 12 megapixel for 123 degree ultrawide. We need to make sure all data secure from unauthorized people when XIAOMI MIX 4 stolen or lost or away from us.

The fingerprint is ready to use, it is located under display. We can also use under-display front camera 20 megapixel for facial recognizing. Please choose secondary protection for backup like pin or password or screen lock pattern, because the fingerprint or face detection will not work after XIAOMI MIX 4 restart or reboot. We have to unlock using secondary protection. However, the problems will start happen when we can not unlock this phone or forgot screen lock pattern / password pin protection or fingerprint can not work. What should we do?

When we forgot security protection, we have to do hard reset or reformat using hardware button combination key like steps at #option 2 above. This phone already use Android FRP (factory reset protection) that work for secure all data when this phone lost or force hard reset. Therefore, we have to bypass FRP using previous Google account username and password after performing hard reset.


Is That Any Secret Code for Doing Format XIAOMI MIX 4 ?

There is no secret hidden code for XIAOMI MIX 4 to make it back to factory default. Do the options above to hard reset it.


How to Format or Erase Phone Memory at XIAOMI MIX 4 ?

If we want to remove all installed applications and all data, then we have to do hard reset using menu Setting like steps at #option 1 above. Please choose to erase All files on the phone. It will remove all data at internal memory (or external memory if available).


How to Make Battery of XIAOMI MIX 4 Stronger, Life Longer and Not Fast to Drain ?

This phone work with 4500 mAh battery capacity. With Qualcomm SM8350 Snapdragon 888+ 5G that has 5nm FinFET technology, we can use this phone more longer. We also can charge this phone faster, because it has 120W fast charging feature that can recharge from 0 to 100% at about 15 minutes.

However, if we want to use XIAOMI MIX 4 battery more longer when we are away from charger, please do some adjustment like disable all not use connections like GPS or NFC or Wifi or Bluetooth. We also need to make LCD screen not too bright to save battery usage.



  • How to Hard Reset or Master Format XIAOMI MIX 4 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 MIX 4, 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 MIX 4 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.

  • How to Reset XIAOMI Mi ACCOUNT Forgotten Password at XIAOMI MIX 4 ?

    Please follow this link For Reset Xiaomi Mi Account