Tips and tricks to fix SAMSUNG GALAXY M51 problems. The product code model is SM-M515F which comes with dual simcard slot. This phone use Super AMOLED screen type for vivid color view with 6.7 inches Full HD+ resolution at 1080 x 2340 pixels. At the top of the screen, we can find small punch hole for 32 megapixel selfie camera.

SAMSUNG GALAXY M51 use Android 10.0 as factory default operating system and work with One UI 2.0 Samsung user interface. As mid end smartphone, it is powered by Qualcomm SDM730 Snapdragon 730 processor with dedicated GPU (graphic processor unit) Adreno 618 for graphic rendering. Some users get issue with hardware or software when using SAMSUNG GALAXY M51, therefore we will try to give more solutions, reviews and information about how to solve SAMSUNG GALAXY M51 (SM-M515F) troubles at www.hard-reset.org community.

 

What are Advantages of SAMSUNG GALAXY M51 Specifications and Features:

  • GSM 3G HSDPA with 4G LTE & 5G, Dual Simcard
  • LCD 6.7 inches Full HD+
  • Internal memory 128 GB with 6 GB
  • Main Camera Quad 64 MP f/1.8 + 12 MP f/2.2 + 5 MP f/2.4 + 5 MP f/2.2
  • Main Camera Features autofocus, LED flash
  • Front Camera 32 MP for video conference & selfie photography
  • Processor Octa-core 2×2.2 GHz Kryo 470 Gold & 6×1.8 GHz Kryo 470 Silver
  • GPU Adreno 618
  • Operating system Android 10.0
  • Battery Li-Ion 7000 mAh

 

 

How to Fix or Problem Solving for Recovery SAMSUNG GALAXY M51 hang or not responding or malfunctions or stuck or freezing or bricked ?

SAMSUNG GALAXY M51 (SM-M515F) does not have 5G data connections. But this phone still can get fast Internet access with 4G LTE broadband. We can get big internal memory at 128 GB with 6 GB RAM for multitasking. We can install many applications from Google Play Store like productivity and games.

There are some new or not famous applications from Google Play Store that may contain viruses or malware that can make troubles if installed at our SAMSUNG GALAXY M51 such as become slowly or hang or stuck or bricks or frozen or LCD touch screen not responding. We need to read many user reviews before install that kind of apps. 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 M51 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 Force Shutdown or Force Soft Reset or Reboot or Restart SAMSUNG GALAXY M51 ?

SAMSUNG GALAXY M51 (SM-M515F/DSN) already have sufficient RAM with 6 GB for run multitasking. But 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 M51 to make it work normally again. Please press and hold POWER button until SAMSUNG GALAXY M51 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 M51 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 Reset Forgot Samsung Account ?

 

How to backup data or Contact at SAMSUNG GALAXY M51  ?

We can use microSD external card to copy or move important files using File Manager applications. If our SAMSUNG GALAXY M51 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.

 

#Option 1, How to Hard Reset SAMSUNG GALAXY M51 with software menu:

  1. Turn on this phone
  2. Make sure SAMSUNG GALAXY M51 battery already charge properly
  3. Go to menu: Setting > General tab > Backup & Reset > Factory data reset > Reset device
  4. Choose Erase Everything
  5. SAMSUNG GALAXY M51 will do the process to Master Reset to Factory Default

 

#Option 2, How to Hard Reset SAMSUNG GALAXY M51 with Hardware key button:

  1. Make sure the battery of SAMSUNG GALAXY M51 charge properly or battery have more then 50% capacity
  2. Turn off SAMSUNG GALAXY M51
  3. Press and hold together : Power Button + Volume Up until Logo appear, then release all button
  4. Please wait until we see the menu at LCD screen, choose Wipe Data/Factory Reset with Volume Button to select and use Power Button to ok or enter.
  5. The SAMSUNG GALAXY M51 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 M51 forgot password code or security lock screen pattern or pin (lost password)?

 

This phone has big internal memory which keep a lot of installed applications. We will many many private data. SAMSUNG GALAXY M51 has four camera with 64 megapixel for wide + 12 megapixel for ultrawide and same 5 megapixel for macro and DoF Bokeh effect. Some photos videos maybe confidential, therefore we need to secure our SAMSUNG GALAXY M51 from unauthorized people when it is stolen or lost or away from us.

Fingerprint is available at left side of body. We can use face unlock recognizing for protections. After register first protections, we have to activate secondary protection for backup like screen lock pattern or pin or password. Please note, SAMSUNG GALAXY M51 fingerprint or face detection will not work after restart or reboot. However, 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 M51 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 M51, because it can help us to bypass forgotten security protections.

HARD RESET SAMSUNG GALAXY M51 WHEN FORGOT PASSWORD / PATTERN (SCREEN LOCKED):

When SAMSUNG GALAXY M51 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.

 

What is BACKUP PASSWORD / BACKUP PIN at SAMSUNG GALAXY M51  ?

This is the way to help for unlock or bypass forgotten security protection at SAMSUNG GALAXY M51. 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 M51, 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 M51 ?

We can try to use secret code for doing hard reset SAMSUNG GALAXY M51 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 M51 will do hard reset and remove all data also installed applications.

 

How to Format or Erase Phone Memory at SAMSUNG GALAXY M51 ?

There are two phone memory type at SAMSUNG GALAXY M51, 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 M51 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 M51 Stronger, Life Longer and Not Fast to Drain ?

Big battery is one advantage at SAMSUNG GALAXY M51. It has 7000 mAh big battery capacity. We can use this phone more then two days for standard activity. How about for games? Some users who use this phone several hours continuously for playing games or watching movie still get battery drain troubles. We need to do some adjustment to make SAMSUNG GALAXY M51 (SM-M515F/DSN) battery work longer. First make LCD screen not too bright for save battery usage. Second, please try to disable all not use connection like GPS or Bluetooth or Wifi or NFC.

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