How to Easily Master Format SAMSUNG GALAXY M12 with Safety Hard Reset?

Tips and tricks to fix SAMSUNG GALAXY M12 problems. This is mid end smartphone without 5G connections. We can use 4G LTE broadband for Internet access at dual simcard slot for different phone number standby together. Android 11 is default operating system with OneUI 3.0 Samsung user interface. There are several product model code SM-M127F, SM-M127F/DS, SM-F127G, SM-F127G/DS.

This phone powered by Exynos 850 together with dedicated GPU (graphic processor unit) Mali-G52 for graphic rendering that play on 6.5 inches LCD screen HD 720 x 1600 pixels resolution. Some users get issues with SAMSUNG GALAXY M12 hardware or software. We will try to give more solutions, reviews and information about how to solve SAMSUNG GALAXY M12 troubles at community.

What are Advantages of SAMSUNG GALAXY M12 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 (4×2.0 GHz Cortex-A55 & 4×2.0 GHz Cortex-A55)
  • GPU Mali-G52
  • Operating system Android 11
  • Battery Li-Ion 6000 mAh

Solution To Fix Camera Issues On SAMSUNG GALAXY M12

How to Fix or Problem Solving for Recovery SAMSUNG GALAXY M12 hang or not responding or malfunctions or stuck or freezing or bricked ?

There are several internal storage options start with 32 GB or 64 GB or 128 GB. All version has external memory slot MicroSD / MicroSDXC. This phone use Exynos 850 processor that can work with Octa Core CPU Cortex A55. We can install many applications and games from Google Play Store.

But we need to be careful before install new or not famous applications, because some of them may contain viruses or malware that can make troubles if installed on our SAMSUNG GALAXY M12 such as 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. Please read many user review before install that kind of apps.

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 M12 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 Memory Full Issues On SAMSUNG GALAXY M12?

How to Force Shutdown or Force Soft Reset or Reboot or Restart SAMSUNG GALAXY M12 ?

We can get 3 GB RAM or 4 GB RAM or 6 GB RAM depend on internal storage capacity. 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 M12 to make it work normally again. Please press and hold POWER button until SAMSUNG GALAXY M12 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 M12 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 M12 ?

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 M12 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 M12 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 / Chat / Photos On SAMSUNG GALAXY M12

#Option 1, How to Hard Reset SAMSUNG GALAXY M12 with software menu:

  1. Turn on this phone
  2. Make sure SAMSUNG GALAXY M12 battery already charge properly
  3. Go to menu:Setting >General tab> Backup & Reset > Factory data reset > Reset device
  4. ChooseErase Everything
  5. SAMSUNG GALAXY M12 will do the process to Master Reset to Factory Default

hard reset samsung galaxy m12

#Option 2, How to Hard Reset SAMSUNG GALAXY M12 with Hardware key button:

  1. Make sure the battery of SAMSUNG GALAXY M12 charge properly or battery have more then 50% capacity
  2. Turn off SAMSUNG GALAXY M12
  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 M12 will do the process of restoring to factory default without any password or passcode (hard reset).

Solution To Fix Overheat Issues On SAMSUNG GALAXY M12

How to Unlock or Fix or Bypass or Solutions for SAMSUNG GALAXY M12 forgot password code or security lock screen pattern or pin (lost password)?

With Exynos 850 processor and enough internal memory capacity, many users install several applications. Usually each apps will keep many data. We also will have many private videos or photos which taken from four rear camera 48 megapixel for wide + 5 megapixel for ultrawide + 2 megapixel for macro + 2 megapixel for DoF or Bokeh effect. Of course we do not want unauthorized people can access our confidential data when SAMSUNG GALAXY M12 away from us or lost or stolen.

Fingerprint is recommended to use. It is located at left side body and easy to access from any conditions. We can use 8 megapixel front camera for face unlock recognizing. After finish register fingerprint or face unlock, we need to activate secondary protection for backup like screen lock pattern or password or pin.

Secondary protections very important for unlock SAMSUNG GALAXY M12 after reboot or restart, because fingerprint or face detection will not work at that time. However, the problems will be happen when we forgot all security protection answer, including fingerprint or face detection, what should we do?

Samsung Android smartphone has strong protections for secure our data. If we forgot our security protections, then we need to do hard reset or reformat using hardware button combination key like steps at #option 2 above for bypass forgotten security protections like screen lock pattern or password or pin on SAMSUNG GALAXY M12. Because Samsung use latest Android version with FRP / Factory Reset Protection, then we need to use our previous Gmail / Google account username and password for bypass FRP.

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 M12, because it can help us to bypass forgotten security protections.


When SAMSUNG GALAXY M12 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 Issues On SAMSUNG GALAXY M12


This is the way to help for unlock or bypass forgotten security protection at SAMSUNG GALAXY M12. 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 M12, 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 M12 ?

We can try to use secret code for doing hard reset SAMSUNG GALAXY M12 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 M12 will do hard reset and remove all data also installed applications.

How to Format or Erase Phone Memory at SAMSUNG GALAXY M12 ?

There are two phone memory type at SAMSUNG GALAXY M12, 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 M12 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 M12 Stronger, Life Longer and Not Fast to Drain ?

SAMSUNG GALAXY M12 has monster battery capacity at 6000 mAh that can work about two days for standard activity. However, bigger battery is not unlimited. If we use this phone too much for watch movie or play games several hours continuously, then the battery drain will be happen.

If we want to make SAMSUNG GALAXY M12 battery work more longer, then please try to do some adjustment like make LCD screen brightness as low as possible, because more bright will consume more battery power. We also have to disable all not use connections like GPS or Bluetooth or Wifi. SAMSUNG GALAXY M12 does not has NFC connection.

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