Tips and tricks to fix XIAOMI POCO F4 problems. This phone has two mode code  22021211RG and 22021211RI. We can use 5G connection at dual simcard slot standby together. It is powered by 7 nm processor Qualcomm SM8250-AC Snapdragon 870 5G with dedicated GPU (graphic processor unit) Adreno 650 for support playing HD games.

This phone use AMOLED screen with 6.67 inches size. It has high refresh-rate 120Hz with Dolby Vision, the screen is protected by Corning Gorilla Glass 5. Front and back body is design by glasses. This phone has IP53 rating for splash proof of water. But we can not use this phone to swim. We will give more solutions and information review about how to solve troubles of XIAOMI POCO F4 at community.


What are Advantages of XIAOMI POCO F4 Specifications and Features:

  • 4G LTE + 5G
  • LCD 6.67 inches
  • Internal memory 128 GB with 6 GB and 8 GB RAM
  • Internal memory 256 GB with 8 GB or 12 GB RAM
  • Main Camera Triple 64 MP f/1.8 + 8 MP f/2.2 + 2 MP f/2.4
  • Front camera 20 MP for selfie photography
  • Processor Octa-core 1×3.2 GHz Kryo 585 & 3×2.42 GHz Kryo 585 & 4×1.80 GHz Kryo 585
  • GPU Adreno 650
  • Operating system Android 12
  • Battery Li-Po 4500 mAh



Solutions To Fix Camera Issues On XIAOMI POCO F4

This phone has good quality triple cameras at back side body. Follow this page to fix front selfie camera issues or rear camera problems.


How to Fix or Problem Solving for Recovery XIAOMI POCO F4 hang or not responding or malfunctions or stuck or freezing or bricked ?

We can install more apps when we have big internal memory. This phone has 128 GB or 256 GB internal storage capacity. It is already enough for install some games and applications. But we have to read many user reviews before install new or not famous apps. Because some of them may contain threat or viruses or malware.

If we install that kind of apps, then our XIAOMI POCO F4 will get some troubles like become slowly or hang or stuck or bricks or bootloop or frozen or LCD touch screen not responsive. they can stolen our data and install unknown applications without any information. 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 POCO F4, 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 POCO F4. 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 POCO F4 ?

RAM is important for support multitasking applications. This phone has 6 GB or  8 GB or 12 G RAM options. However, 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 POCO F4 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.


How To Make Faster XIAOMI POCO F4. Fix Lagging & Slowly issues?

This phone get some troubles when running more apps. Playing games also become slowly or not responsive. Follow this page to fix XIAOMI POCO F4 lagging issues and boost the performance


How to backup data or Contact at XIAOMI POCO F4 ?

This phone do not have external memory MicroSD slot. But we can connect our phone to computer using USB data cable and after computer recognized our XIAOMI POCO F4, 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 POCO F4 file manager

If our XIAOMI POCO F4 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.


How to Boot Recovery Mode at XIAOMI POCO F4 ?

If we need to boot our XIAOMI POCO F4 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 POCO F4 with software menu:

  1. Turn on the XIAOMI POCO F4
  2. Please make sure battery capacity more then 50% or better fully charge
  3. Backup important data at XIAOMI POCO F4 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 POCO F4 will do the hard reset or master format to factory default process.


hard reset xiaomi poco f4

#Option 2, Hard Reset XIAOMI POCO F4 with Hardware Button Key to Recovery Mode

  1. Turn Off XIAOMI POCO F4
  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 POCO F4 finish the process and the phone will start again like new


How to Unlock or Fix or Bypass or Solutions for XIAOMI POCO F4 forgot password code or security lock screen pattern or pin (lost password)?

This phone has big internal memory 128 GB or 256 GB. We will save all data inside this storage because XIAOMI POCO F4 does not have external memory Micro slot. Therefore we have to make sure all important data and private photos videos are always protected with good protection like fingerprint or face detection.

Please secure our data using secondary protection like screen lock pattern or pin or password. It will use to unlock XIAOMI POCO F4 after reboot or restart, because at this time fingerprint or face unlock will not work. 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 POCO F4 ?

There is no secret hidden code for XIAOMI POCO F4 to make it back to factory default. We have to do the options above to hard reset this phone.


How to Format or Erase Phone Memory at XIAOMI POCO F4 ?

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 POCO F4 Stronger, Life Longer and Not Fast to Drain ?

XIAOMI POCO F4 has 4500 mAh battery capacity. This is enough to make it work full one day without need to recharge. However, if we want to make the battery work more longer, then we have to do some adjustment like make LCD screen brightness as low as possible and turn off all not use connection like GPS or NFC or WiFi or Bluetooth.



  • How to Hard Reset or Master Format XIAOMI POCO F4 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 POCO F4, 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 POCO F4 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 POCO F4 ?

    Please follow this link For Reset Xiaomi Mi Account