How to Easily Master Format SAMSUNG GALAXY A12 with Safety Hard Reset?

Tips and tricks to fix SAMSUNG GALAXY A12 problems. This phone comes without 5G connection, but having 4G LTE still sufficient for many country when the time this phone released to the market, because we still can get fast video streaming and other Internet access. The first operating system use Android 10. Some users maybe hope this phone use Android 11, we will wait until Samsung release firmware Android 11 upgrade for SAMSUNG GALAXY A12.

The screen use 6.5 inches HD resolution at 720 x 1560 pixels. Front camera 8 megapixel is located on the top of the screen with small notch drop. At rear body, we will find quad camera. We will not find any fingerprint sensor at back body or in-display front screen, because the fingerprint is located at side body. Some users get issue when using SAMSUNG GALAXY A12 software or hardware. We will try to give more solutions, reviews and information about how to solve SAMSUNG GALAXY A12 troubles at community.

What are Advantages of SAMSUNG GALAXY A12 Specifications and Features:

  • GSM 3G HSDPA with 4G LTE, Dual Simcard
  • LCD 6.5 inches
  • Internal memory 32 GB with 3 GB RAM
  • Internal memory 64 GB with 4 GB RAM
  • Internal memory 128 GB with 6 GB RAM
  • Main Camera Quad 48 MP f/2.0 + 5 MP f/2.2 + 2 MP f/2.4 + 2 MP f/2.4
  • Main Camera Features autofocus, LED flash
  • Front Camera 8 MP for video conference & selfie photography
  • Processor Octa-core 2.3 GHz, 1.8 GHz
  • GPU
  • Operating system Android 10.0
  • Battery Li-Ion 5000 mAh

Solution To Fix Camera Issues On SAMSUNG GALAXY A12

How to Fix or Problem Solving for Recovery SAMSUNG GALAXY A12 hang or not responding or malfunctions or stuck or freezing or bricked ?

There are three option of internal memory with different RAM. Start from 32 GB or 64 GB ir 128 GB. Of course we suggest to have bigger storage and bigger RAM for best performance. However, whatever we have, we still can add more storage using MicroSD / MicroSDXC at external memory slot. There are some applications that we can download from Google Play Store.

But we have to know that some applications on Google Play Store may contain viruses or malware, mostly new or not famous apps or games. We need to read many user reviews before install. Why? Because if that apps installed on our SAMSUNG GALAXY A12, then some troubles may happen like hang or become slowly 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 A12 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 Insufficient Memory Full On SAMSUNG GALAXY A12?

How to Force Shutdown or Force Soft Reset or Reboot or Restart SAMSUNG GALAXY A12 ?

The cheapest version use 3 GB RAM and the other use 4 GB and 6 GB. However, 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 A12 to make it work normally again. Please press and hold POWER button until SAMSUNG GALAXY A12 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 A12 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 A12 ?

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 A12 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 A12 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 Data, Photos, Contact On SAMSUNG GALAXY A12

#Option 1, How to Hard Reset SAMSUNG GALAXY A12 with software menu:

  1. Turn on this phone
  2. Make sure SAMSUNG GALAXY A12 battery already charge properly
  3. Go to menu:Setting >General tab> Backup & Reset > Factory data reset > Reset device
  4. ChooseErase Everything
  5. SAMSUNG GALAXY A12 will do the process to Master Reset to Factory Default

hard reset samsung galaxy a12

#Option 2, How to Hard Reset SAMSUNG GALAXY A12 with Hardware key button:

  1. Make sure the battery of SAMSUNG GALAXY A12 charge properly or battery have more then 50% capacity
  2. Turn off SAMSUNG GALAXY A12
  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 A12 will do the process of restoring to factory default without any password or passcode (hard reset).

How To Fix Temperature / Overheat Issues on SAMSUNG GALAXY A12?

How to Unlock or Fix or Bypass or Solutions for SAMSUNG GALAXY A12 forgot password code or security lock screen pattern or pin (lost password)?

Because this phone will help us to do some activity, then we will use many applications like email, chatting, contact and many more. We also will have many private photos videos which taken from four rear camera with 48 megapixel for wide + 5 megapixel for ultrawide + 2 megapixel for macro + 2 megapixel for DoF. Therefore we have to secure all confidential data from unauthorized people when SAMSUNG GALAXY A12 away from us or lost or stolen.

We are really like to have side body fingerprint, because it is easy to access from anywhere whether on the table or from inside our pocket. Front camera can be use for face unlock recognizing. We must choose secondary protection for backup like screen lock pattern or password or pin, because it will use for activate SAMSUNG GALAXY A12 after finish reboot or restart. We can not use fingerprint or face detection at that time. However, the problems will be happen when we forgot all 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 A12 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 A12, because it can help us to bypass forgotten security protections.


When SAMSUNG GALAXY A12 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 Lagging / Slowly Issues On SAMSUNG GALAXY A12


This is the way to help for unlock or bypass forgotten security protection at SAMSUNG GALAXY A12. 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 A12, 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 A12 ?

We can try to use secret code for doing hard reset SAMSUNG GALAXY A12 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 A12 will do hard reset and remove all data also installed applications.

How to Format or Erase Phone Memory at SAMSUNG GALAXY A12 ?

There are two phone memory type at SAMSUNG GALAXY A12, 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 A12 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 A12 Stronger, Life Longer and Not Fast to Drain ?

5000 mAh is use on SAMSUNG GALAXY A12. The battery can work full one day. It has 15W fast charging technology for make it faster to charge. If we use it too much for playing games or watching movies, then we need to do some adjustment to make the battery work more longer. Please make LCD brightness as low as possible and disable all not use connection like GPS or Bluetooth or Wifi. SAMSUNG GALAXY A12 does not have NFC.

How to Hard Reset SAMSUNG GALAXY A12 Secured By KNOX?

First option, we have to make sure our phone is not configured withDisable factory resetat Knox Configure profile. We can try to force hard reset using:

  1. Try to hard reset using Setting Menu
  2. ChooseSettings > General management > Reset > Factory data reset
  3. Choose Reset
  4. Then we have done hard reset our SAMSUNG GALAXY A12 to factory default

Second option, if our phone can not access factory reset from menu setting, then try the other option usingKnox Configure (KC) console menu:

  1. Make Sure our SAMSUNG GALAXY A12 Internet connection is active and at Configured state
  2. From Knox Configure (KC) console, choose Devices > Devices from left navigation menu
  3. Choose the Device ID of our SAMSUNG GALAXY A12
  4. ChooseActions > Reboot or factory reset device(s)
  5. Wait until pop-up menu show at the screen, then chooseFactory reset device(s)
  6. Choose Confirm
  7. Wait until process finish

4 thoughts on “How to Easily Master Format SAMSUNG GALAXY A12 with Safety Hard Reset?”

  1. Hi
    My Samsung A12 doesnt want to ‘hard rest’.
    We have done it several times but it just restart.

    I forgot my pin.

    Kindly assist

    • Hi, for now, the only solutions to reformat your Samsung Galaxy A12 is using menu Setting if your phone still can boot properly. Or you have to follow steps at #option 2 above to reformat using hardware button combination key. It is work for most users. If your phone still can not boot properly, then maybe some hardware troubles happen. You should try to consult with Samsung authorized service center.

  2. Hi
    I bought a Samsung galaxy a12 from my colleague and he got terminated few minutes later.

    The phone has password. I was trying to unlock but it has also security password to power off.

    I tried to press hold power button + volume down and felt the vibration then released and hold the volume up by continuously pressing the power key but the phone doesn’t when off.

    Please help

    • Hi, most case for hard reset will work with option 2 about. Please try again carefully. However, you have to start from OFF positions.


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