How to Easily Master Format SAMSUNG GALAXY M31 PRIME with Safety Hard Reset?

Tips and tricks to fix SAMSUNG GALAXY M31 PRIME problems. This is dual simcard smartphone standby together with different GSM number, it does not have 5G connection. 4G LTE is the fastest Internet broadband on this phone. At front body we will see full screen Super AMOLED 6.4 inches Full HD+ resolution at 1080 x 2340 pixels with small notch drop on top screen for 32 megapixel front camera.

SAMSUNG GALAXY M31 PRIME use Android 10 together with One UI 2.1 Samsung user interface. This phone powered by Exynos 9611 and supported with dedicated GPU (graphic processor unit) Mali-G72 MP3 for fast graphic rendering. Some users get issue at SAMSUNG GALAXY M31 PRIME software or hardware. We will try to give more solutions, reviews and information about how to solve SAMSUNG GALAXY M31 PRIME troubles at community.

What are Advantages of SAMSUNG GALAXY M31 PRIME Specifications and Features:

  • GSM 3G HSDPA with 4G LTE, Dual Simcard
  • LCD 6.4 inches
  • Internal memory 64 GB & 128 GB
  • RAM 6 GB
  • Main Camera Quad 64 MP f/1.8 + 8 MP f/2.2 + 5 MP f/2.4 + 5 MP f/2.2
  • Main Camera Features autofocus, LED flash
  • Front Camera 32 MP for video conference & selfie photography
  • Processor Octa-core 4×2.3 GHz Cortex-A73 & 4×1.7 GHz Cortex-A53
  • GPU Mali-G72 MP3
  • Operating system Android 10.0
  • Battery Li-Ion 6000 mAh

Solution To Fix Camera Issues On SAMSUNG GALAXY M31 PRIME

How to Fix or Problem Solving for Recovery SAMSUNG GALAXY M31 PRIME hang or not responding or malfunctions or stuck or freezing or bricked ?

We can buy SAMSUNG GALAXY M31 PRIME with 64 GB or 128 GB internal storage with UFS 2.1 type. There is dedicated slot for external memory MicorSD / MicroSDXC for extend the storage. Usually we put our photos videos recording at external memory for give more free internal storage capacity to keep many installed applications from Google Play Store like Facebook, Kakaotalk, WeChat, TikToks, Zoom and some other more.

Please remember, some new or not famous applications inside Google Play Store may contain viruses or malware. They can act like free games or security apps. Therefore we have to read many user reviews before install any applications. Otherwise, our SAMSUNG GALAXY M31 PRIME might get troubles such as become slowly or hang or stuck or bricks or frozen or LCD touch screen not responding. Usually these bad apps will not get Verified by Play Protect information.

For fix this problems, we have to try remove temporary files and caches by performing soft reset or reboot. When this phone can work again or can boot properly, then please try to download one good free Antivirus from Google Play Store like AVAST or NORTON. This antivirus will scan all installed apps and give recommendation setting for safety usage. If the problems still happen, then please do hard reset or master format like steps above. Hard reset will remove all important files, therefore we have to backup all data before performing hard reset. All account like Samsung account and Google account will also wipe or remove from SAMSUNG GALAXY M31 PRIME after finish hard reset. Please do not install any APK files from unknown resource, because it is very easy to make our phone get some troubles.

How To Fix Overheat Temperature Issues On SAMSUNG GALAXY M31 PRIME?

How to Force Shutdown or Force Soft Reset or Reboot or Restart SAMSUNG GALAXY M31 PRIME ?

6 GB RAM is available at SAMSUNG GALAXY M31 PRIME. But some installed applications might crash or corrupt, it makes some not normal performance or LCD touch screen not responsive with finger touch or hang. We have to remove temporary files and caches inside SAMSUNG GALAXY M31 PRIME to make it work normally again. Please press and hold POWER button until SAMSUNG GALAXY M31 PRIME shutdown or turn off by itself.

You may also try press and hold POWER + VOLUME DOWN button to shut it down or restart. After it is 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 SAMSUNG GALAXY M31 PRIME 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.

Solutions and Tricks For Reset Forgot Samsung Account

How to backup data or Contact at SAMSUNG GALAXY M31 PRIME ?

This phone has external memory MicroSD slot. We can copy all important data from internal memory to MicroSD using Android file manager applications. Do not forget to backup photos and videos from internal memory for backup.

We can use USB data cable for connect SAMSUNG GALAXY M31 PRIME with computer PC. After our computer can recognize our phone, then use computer File Manager for browse important files inside internal memory and copy to our computer.

If our SAMSUNG GALAXY M31 PRIME 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 To Backup & Restore Data / Contact / Photos On SAMSUNG GALAXY M31 PRIME

#Option 1, How to Hard Reset SAMSUNG GALAXY M31 PRIME with software menu:

  1. Turn on this phone
  2. Make sure SAMSUNG GALAXY M31 PRIME battery already charge properly
  3. Go to menu:Setting >General tab> Backup & Reset > Factory data reset > Reset device
  4. ChooseErase Everything
  5. SAMSUNG GALAXY M31 PRIME will do the process to Master Reset to Factory Default

hard reset samsung galaxy m31 prime

#Option 2, How to Hard Reset SAMSUNG GALAXY M31 PRIME with Hardware key button:

  1. Make sure the battery of SAMSUNG GALAXY M31 PRIME charge properly or battery have more then 50% capacity
  3. Press and hold together :Power Button + Volume Upuntil Logo appear, then release all button
  4. Please wait until we see the menu at LCD screen, chooseWipe Data/Factory ResetwithVolume Buttonto select and usePower Buttonto ok or enter.
  5. The SAMSUNG GALAXY M31 PRIME will do the process of restoring to factory default without any password or passcode (hard reset).

Solution To Fix Low Free Storage Insufficient Issues On SAMSUNG GALAXY M31 PRIME

How to Unlock or Fix or Bypass or Solutions for SAMSUNG GALAXY M31 PRIME forgot password code or security lock screen pattern or pin (lost password)?

There are four camera at SAMSUNG GALAXY M31 PRIME back side body with 64 megapixel for wide + 8 megapixel for ultrawide 123 degree + 5 megapixel macro + 5 megapixel DOF or Bokeh effect. We will have many photos videos after use several months including important installed apps with many confidential data. We have to secure all important files from unauthorized users when SAMSUNG GALAXY M31 PRIME away from us or stolen or lost.

We suggest to use fingerprint which located at back side body. Front camera 32 megapixel also can be use for face unlock recognizing. We have to choose secondary protection like screen lock pattern or password or pin for backup. Because SAMSUNG GALAXY M31 PRIME fingerprint or face detection will not work after restart or reboot. We have to activate with secondary protection. However, the problems will be happen when we forgot security answer or fingerprint can not work anymore, what should we do?

Do not worry because we can unlock or bypass forgotten screen lock pattern or password pin protections at SAMSUNG GALAXY M31 PRIME use registered Google account. But we have to do hard reset or reformat our phone using hardware button combination key like steps above. We have to always remember our Google account username and password, because new Samsung smartphone with latest Android version already implement FRP (Factory Reset Protection).

FRP is important to secure our phone when it is stolen or lost. Android will ask for previous same Google account username and password after finish performing hard reset. Therefore we have to remember carefully our Google / Gmail username and password. We also recommended to activate or create SAMSUNG ACCOUNT at SAMSUNG GALAXY M31 PRIME, because it can help us to bypass forgotten security protections.


When SAMSUNG GALAXY M31 PRIME turn ON but the screen locked then follow this steps:

  1. Mare sure the battery is not empty or more then 50%
  2. When Screen ON but locked, please press and hold POWER BUTTON + VOLUME DOWN button about 5 seconds until the screen off
  3. When the screen off, please directly continue press POWER BUTTON + VOLUME UP button about 4 seconds and release all button
  4. Then you will go to recovery button, choose Wipe data / Factory Reset, then all data will be wipe or the operating system will be reformat to factory default
  5. Please note, this process need us to use previous Google account for authentication after hard reset finish. For bypass FRP:Verify your account with previous Google Account.

How To Fix Slowly / Lagging Issues On SAMSUNG GALAXY M31 PRIME?


This is the way to help for unlock or bypass forgotten security protection at SAMSUNG GALAXY M31 PRIME. Although we are sure about our security protection, but sometime we may forget about the right answer. Please note, when we give security protection at our SAMSUNG GALAXY M31 PRIME, it also give step to put our own PIN / PASSWORD as BACKUP PASSWORD / PIN. This backup PIN use to bypass or unlock forgotten security code later. Use above steps to unlock forgot password or screen lock pattern security protection using Google account or Gmail username and password or Samsung Account.

Is That Any Secret Code for Doing Format SAMSUNG GALAXY M31 PRIME ?

We can try to use secret code for doing hard reset SAMSUNG GALAXY M31 PRIME is *2767*3855# (some Samsung hardware or firmware update will not work with this code). But please remember to always be careful typing that code, because the SAMSUNG GALAXY M31 PRIME will do hard reset and remove all data also installed applications.

How to Format or Erase Phone Memory at SAMSUNG GALAXY M31 PRIME ?

There are two phone memory type at SAMSUNG GALAXY M31 PRIME, 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 SAMSUNG GALAXY M31 PRIME 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 SAMSUNG GALAXY M31 PRIME Stronger, Life Longer and Not Fast to Drain ?

This phone has big battery at 6000 mAh with fast charging 15W on non removable battery. Many users get use this phone two days for standard activity. However, the battery will not enough if we use it too much for watch movie or playing games several hours continuously. We suggest to do some adjustment to make SAMSUNG GALAXY M31 PRIME battery work more longer. Please make LCD screen not too bright because it will consume more battery power. Disable some not use connections also recommended like GPS or Bluetooth or Wifi. SAMSUNG GALAXY M31 PRIME does not have NFC.

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