How to Easily Master Format SAMSUNG GALAXY M42 5G with Safety Hard Reset?

Tips and tricks to fix SAMSUNG GALAXY M42 5G problems. This is mid-end smartphone with 5G connections, powered by Qualcomm SM7225 Snapdragon 750G 5G processor with dedicated GPU (graphic processor unit) Adreno 619 for support gaming graphic rendering. There are two simcard slot that we can use with different number, but secondary slot is hybrid for swap with MicroSDXC external memory.

We already get Android 11 together with One UI 3.1 Samsung user interface. The screen use Super AMOLED for vivid color view, at 6.6 inches LCD screen HD resolution 720 x 1600 pixels. Some software or hardware issues happen on SAMSUNG GALAXY M42 5G, therefore we will give more solutions, reviews and information about how to solve SAMSUNG GALAXY M42 5G (SM-M426B) troubles at community.

What are Advantages of SAMSUNG GALAXY M42 5G Specifications and Features:

  • GSM 3G HSDPA with 4G LTE, Dual Simcard
  • LCD 6.6 inches
  • Internal memory 128 GB
  • RAM 6 GB or 8 GB
  • Main Camera Quad 48 MP f/1.8 + 8 MP f/2.2 + 5 MP f/2.4 + 5 MP f/2.4
  • Main Camera Features autofocus, LED flash
  • Front Camera 20 MP for video conference & selfie photography
  • Processor Octa-core 2×2.2 GHz Kryo 570 & 6×1.8 GHz Kryo 570
  • GPU Adreno 619
  • Operating system Android 11
  • Battery Li-Ion 5000 mAh

Solutions To Fix Camera Issues On SAMSUNG GALAXY M42

How to Fix or Problem Solving for Recovery SAMSUNG GALAXY M42 5G hang or not responding or malfunctions or stuck or freezing or bricked ?

We need to use big internal storage for install more applications. This phone already has 128 GB internal memory capacity. We still can add more storage with MicroSDXC external memory using secondary simcard slot. There are many games or applications that we can choose from Google Play Store.

However, we have to be careful when we want to download new or not famous applications, because some of them may contain viruses or malware that can make troubles if installed on our SAMSUNG GALAXY M42 5G 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. If we must download that apps, please read many user reviews before install.

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 M42 5G 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.

Solution To Fix Lagging Slowly Issues On SAMSUNG GALAXY M42

How to Force Shutdown or Force Soft Reset or Reboot or Restart SAMSUNG GALAXY M42 5G ?

With 6 GB or 8 GB RAM, there are many multitasking apps can work together. 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 M42 5G to make it work normally again. Please press and hold POWER button until SAMSUNG GALAXY M42 5G 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 M42 5G 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 M42 5G ?

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 M42 5G 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 M42 5G 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 / Photos / Contact on SAMSUNG GALAXY M42

#Option 1, How to Hard Reset SAMSUNG GALAXY M42 5G with software menu:

  1. Turn on this phone
  2. Make sure SAMSUNG GALAXY M42 5G battery already charge properly
  3. Go to menu:Setting >General tab> Backup & Reset > Factory data reset > Reset device
  4. ChooseErase Everything
  5. SAMSUNG GALAXY M42 5G will do the process to Master Reset to Factory Default

hard reset samsung galaxy m42 5g

#Option 2, How to Hard Reset SAMSUNG GALAXY M42 5G with Hardware key button:

  1. Make sure the battery of SAMSUNG GALAXY M42 5G charge properly or battery have more then 50% capacity
  2. Turn off SAMSUNG GALAXY M42 5G
  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 M42 5G will do the process of restoring to factory default without any password or passcode (hard reset).

Solution To Fix Overheat Temperature Issues On SAMSUNG GALAXY M42

How to Unlock or Fix or Bypass or Solutions for SAMSUNG GALAXY M42 5G forgot password code or security lock screen pattern or pin (lost password)?

We can take many photos and videos using four rear camera, with 48 megapixel for wide + 8 megapixel for 123 degree ultrawide + 5 megapixel macro + 5 megapixel DoF or Bokeh blur effect. Some photos and videos are private. Therefore, we have to secure all photos videos and applications data from unauthorized users when SAMSUNG GALAXY M42 5G away from us or lost or stolen.

The under display fingerprint is ready to use. If we get fingerprint accuracy problems, then usually happen because it use thick non standard screen protection or tempered glass. Please remove any 3th party screen protection to make SAMSUNG GALAXY M42 5G fingerprint work faster.

We can use 20 megapixel front camera for face unlock recognizing. Secondary protections need to activate for backup like pin or password or screen lock pattern. Fingerprint or face detection will not work after SAMSUNG GALAXY M42 5G reboot or restart or soft reset. We must unlock using secondary protection. 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 M42 5G. 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 M42 5G, because it can help us to bypass forgotten security protections.


When SAMSUNG GALAXY M42 5G 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 Internal Memory Full Issues On SAMSUNG GALAXY M42 5G


This is the way to help for unlock or bypass forgotten security protection at SAMSUNG GALAXY M42 5G. 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 M42 5G, 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 M42 5G ?

We can try to use secret code for doing hard reset SAMSUNG GALAXY M42 5G 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 M42 5G will do hard reset and remove all data also installed applications.

How to Format or Erase Phone Memory at SAMSUNG GALAXY M42 5G ?

There are two phone memory type at SAMSUNG GALAXY M42 5G, 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 M42 5G 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 M42 5G Stronger, Life Longer and Not Fast to Drain ?

SAMSUNG GALAXY M42 5G battery is 5000 mAh. It is non removable battery with FAst charging 15W technology. We can use this phone full one day without need to recharge. If we use this phone too much for playing games or watching movies several hours continuously, then the battery will not enough.

Please do some adjustment to make SAMSUNG GALAXY M42 5G battery work more longer. Bright LCD screen will consume more power, we have to set the brightness as low as possible. We also need to disable all not use connection like NFC or GPS or Bluetooth or Wifi.

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