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

Tips and tricks to fix SAMSUNG GALAXY M31 (SM-M315F) problems. This is Android smartphone which have 6.4 inches LCD using Samsung manufacture Super AMOLED screen type for better color view. When the first time release in the market, this phone use Android 10.0 as factory default operating system together with Samsung user interface call by One UI 2.0.

By design, this phone have good body with full screen LCD with small notch for front camera. Some users have malfunction at SAMSUNG GALAXY M31 that may happen because some troubles such as software or firmware or hardware. We will try to give more information about how to solve SAMSUNG GALAXY M31 troubles at community.

What are Advantages of SAMSUNG GALAXY M31 Specifications:

GSM 3G HSDPA with 4G LTE, Dual Simcard
LCD 6.4 inches
Internal memory 64 GB or 128 GB
Main Camera Quad 64 MP f/1.8 + 8 MP f/2.2 + 5 MP f/2.2 + 5 MP f/2.2
Main Camera Features autofocus, LED flash
Front Camera 32 MP for video conference & selfie photography
Processor Octa-core 4 x 2.3 GHz Cortex-A73 & 4 x 1.7 GHz Cortex-A53
Operating system Android 10
Battery Li-Ion 4050 mAh

Easy Solutions To Fix Camera Issues On SAMSUNG GALAXY M31

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

This is mid end smartphone with cheaper price, but have sufficient specifications like new Android 10.0 operating system, use Samsung own processor Exynos 9611 with dedicated GPU (graphic processor unit) Mali-G72 MP3 for help playing games and have two options of internal memory. Start with 64 GB or 128 GB. All type have same 6 GB RAM for multitasking. All installed apps will be store by default at internal storage. If we want to have more memory, then we can add using MicroSD / MicroSDXC at its own slot.

There are many interesting apps inside Google Play Store that can installed at SAMSUNG GALAXY M31 (SM-M315F) like Facebook, Instagram, Kakaotalk, Whatsapp, WeChat, Skype and some other more. But we have to know that some apps inside Google Play Store may contain viruses or malware that can make troubles at our SAMSUNG GALAXY M31 such as become slowly or hang or stuck or bricks or frozen or LCD touch screen not responding. Usually they are new or not famous apps. Please read as many user review as possible before download that kind of applications. Usually that bad apps will not get Verified by Play Protect information.

We have to try remove temporary files and caches by doing 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 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.

Simple Solutions To Fix Memory Full Issues On SAMSUNG GALAXY M31

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

SAMSUNG GALAXY M31 (SM-M315F) use Exynos 9611 processor with 6 GB RAM. RAM is very important for multitasking. But some running apps still can get crash or corrupt that can make troubles at our phone like hang or LCD touch screen not responsive. We have to remove temporary files and caches inside SAMSUNG GALAXY M31 to make it work normally again. Please press and hold POWER button until SAMSUNG GALAXY M31 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 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.

Tips and Tricks To Fix Slowly Issues On SAMSUNG GALAXY M31

How to backup data or Contact at SAMSUNG GALAXY M31 ?

We can use microSD external card to copy or move important files using File Manager applications. If our SAMSUNG GALAXY M31 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 Easy Solutions To Backup & Restore Data / Photos On SAMSUNG GALAXY M31

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

  1. Turn on this phone
  2. Make sure SAMSUNG GALAXY M31 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 will do the process to Master Reset to Factory Default

hard reset samsung galaxy m31

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

  1. Make sure the battery of SAMSUNG GALAXY M31 charge properly or battery have more then 50% capacity
  2. Turn off SAMSUNG GALAXY M31
  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 will do the process of restoring to factory default without any password or passcode (hard reset).

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

We can buy SAMSUNG GALAXY M31 (SM-M315F) with 64 GB or 128 GB internal storage. This phone have four camera at back side body with 64 MP for wide + 8 MP for ultrawide +5 MP for macro + 5 MP for DOF or Bokeh effect at portrait photo. We will have many private pictures and videos inside internal memory. We need to secure all private data or photos videos from unauthorized people when SAMSUNG GALAXY M31 away from us or stolen or lost.

We suggest to use fingerprint at back side body, because it can work faster and accurate. We also can replace fingerprint with face unlock recognizing using front camera. After register our fingerprint or face, then we need to choose secondary protection like screen lock pattern or password protections for backup when first protection can not work. The problems will be happen when we forgot security answer or fingerprint can not work, 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 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, because it can help us to bypass forgotten security protections.


When SAMSUNG GALAXY M31 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.

Solutions To Fix Overheat Temperature Issues On SAMSUNG GALAXY M31


This is the way to help for unlock or bypass forgotten security protection at SAMSUNG GALAXY M31. 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, 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 ?

We can try to use secret code for doing hard reset SAMSUNG GALAXY M31 is *2767*3855#. But please remember to always be careful typing that code, because the SAMSUNG GALAXY M31 will do hard reset and remove all data also installed applications.

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

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

Maybe all users will agree that the best think at SAMSUNG GALAXY M31 (SM-M315F) is having big battery 6000 mAh. It can make this phone work with more longer time. The battery is not removable with quick charge technology. But the battery is not unlimited. If we use this phone very heavy such as watch movie or playing games several hours continuously, then the battery will not enough. We need to do some adjustment like make LCD brightness not too bright and disable all not use connections like GPS or Bluetooth or Wifi. SAMSUNG GALAXY M31 (SM-M315F) does not have NFC connection.

2 thoughts on “How to Easily Master Format SAMSUNG GALAXY M31 with Safety Hard Reset?”

  1. I already follow all steps to make hard reset to my phone Samsung galaxy m31 and it isn’t response .. what can I do to unlock my phone

    • Hi, if you have been try to do hard reset using hardware button combination key for reformat your Samsung Galaxy M31 operating system using steps at #option 2 above, but the non responding problem still happen, then maybe there are some other hardware troubles. You need to consult with Samsung authorized service center for further check.


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