How to Easily Master Format SAMSUNG GALAXY A31 with Safety Hard Reset?

Tips and tricks to fix SAMSUNG GALAXY A31 problems. This phone release at April 2020 with Android 10.0 as factory default operating system. The user interface use One UI 2.0. This phone will give vivid color because the 6.4 inches LCD screen use Super AMOLED with Full HD+ resolution at 1080 x 2400 pixels. At back side of body, we can find four camera which located at the square together with LED light flash. Maximum resolution at rear camera is 48 megapixel. Some users get issues with their SAMSUNG GALAXY A31 either with software or hardware. We will give more review and information about how to solve troubles of SAMSUNG GALAXY A31 at community.

What are Advantages of SAMSUNG GALAXY A31 Specifications and Features:

  • GSM 3G HSDPA with 4G LTE, Dual Simcard
  • LCD 6.4 inches Full HD+
  • Internal memory 64 GB with 4 GB RAM
  • Internal memory 128 GB with 6 GB RAM
  • Main Camera Quad 48 MP f/2.0 + 8 MP f/2.2 + 5 MP f/2.4 +
  • Main Camera Features autofocus, LED flash
  • Front Camera 25 MP for video conference & selfie photography
  • Octa-core 2 x 2.0 GHz Cortex-A75 & 6 x 1.7 GHz Cortex-A55
  • Operating system Android 10.0
  • Battery Li-Ion 3500 mAh

Solutions To Fix Camera Issues On SAMSUNG GALAXY A31

How to Fix or Problem Solving for Recovery SAMSUNG GALAXY A31 hang or not responding or malfunctions or stuck or freezing or bricked ?

Internal memory is very important for install many applications. This phone have 2 options of internal memory with RAM differences. Start from cheaper price at 64 GB with 4 GB RAM or 128 GB with 6 GB RAM. Of course having bigger RAM is better for more multitasking. We can install many applications from Google Play Store like Kakaotalk, WeChat, Skype, Line Messenger, Facebook, Whatsapp, Instagram and some other more.

Beside good apps, we have to know that there are also some bad apps which contain viruses or malware, mostly new or not famous applications. Therefore, we have to read carefully before download that kind of apps. Otherwise, our SAMSUNG GALAXY A31 will get troubles like 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.

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 A31 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.

Easy Solutions To Fix Insufficient Memory On SAMSUNG GALAXY A31

How to Force Shutdown or Force Soft Reset or Reboot or Restart SAMSUNG GALAXY A31 ?

When some troubles happen at SAMSUNG GALAXY A31, then this phone will act not normal like LCD touch screen not responsive with finger touch or hang. We have to remove temporary files and caches inside SAMSUNG GALAXY A31 to make it work normally again. Please press and hold POWER button until SAMSUNG GALAXY A31 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 A31 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 SAMSUNG GALAXY A31 ?

We can use microSD external card to copy or move important files using File Manager applications. If our SAMSUNG GALAXY A31 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 Photos, Data, Contact on SAMSUNG GALAXY A31

#Option 1, How to Hard Reset SAMSUNG GALAXY A31 with software menu:

  1. Turn on this phone
  2. Make sure SAMSUNG GALAXY A31 battery already charge properly
  3. Go to menu:Setting >General tab> Backup & Reset > Factory data reset > Reset device
  4. ChooseErase Everything
  5. SAMSUNG GALAXY A31 will do the process to Master Reset to Factory Default

hard reset samsung galaxy a31

#Option 2, How to Hard Reset SAMSUNG GALAXY A31 with Hardware key button:

  1. Make sure the battery of SAMSUNG GALAXY A31 charge properly or battery have more then 50% capacity
  2. Turn off SAMSUNG GALAXY A31
  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 A31 will do the process of restoring to factory default without any password or passcode (hard reset).

How To Fix Lagging Issues On SAMSUNG GALAXY A31?

How to Unlock or Fix or Bypass or Solutions for SAMSUNG GALAXY A31 forgot password code or security lock screen pattern or pin (lost password)?

After use several months, we will have many installed applications with some confidential data. Therefore we have to secure all data including private photos videos which taken from four camera 48 megapixel wide + 8 megapixel ultrawide + 5 megapixel macro and 5 megapixel DOF portrait, especially when SAMSUNG GALAXY A31 away from us or stolen or lost.

Fingerprint is located under display. We need to register our finger several time to make it recognize for unlock. We also can use screen 20 megapixel front camera for face unlock recognizing. Secondary protection is needed for backup, we can choose screen lock pattern or password pin protections. 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 A31 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 A31, because it can help us to bypass forgotten security protections.


When SAMSUNG GALAXY A31 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.

Solution To Fix SAMSUNG GALAXY A31 Overheat Temperature Issues


This is the way to help for unlock or bypass forgotten security protection at SAMSUNG GALAXY A31. 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 A31, 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 A31 ?

We can try to use secret code for doing hard reset SAMSUNG GALAXY A31 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 A31 will do hard reset and remove all data also installed applications.

How to Format or Erase Phone Memory at SAMSUNG GALAXY A31 ?

There are two phone memory type at SAMSUNG GALAXY A31, 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 A31 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 A31 Stronger, Life Longer and Not Fast to Drain ?

Although SAMSUNG GALAXY A31 is not use 6000 mAh battery, but the original battery capacity is 5000 mAh which is more then enough to make this phone work full one day without need to recharge. However, some heavy users maybe still get battery drain problems. For that kind of users, we suggest to make some adjustment like make LCD screen not too bright. We also have to disable all not use connections like GPS or Bluetooth or Wifi. NFC is not available at SAMSUNG GALAXY A31.

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