How to Easily Master Format SAMSUNG GALAXY F15 with Safety Hard Reset?

Tips and tricks to fix SAMSUNG GALAXY F15 problems. This is 5G smartphone that work with dual simcard slot. It is powered by 6 nm processor Mediatek Dimensity 6100+ with dedicated GPU Mali-G57 MC2 for support gaming experience.

The LCD screen use Super AMOLED 6.6 inches for vivid color with 90Hz refresh rate and has Full HD+ resolution. The first operating system installed with Android 14 and One UI 6 Samsung user interface. We will give more solutions and information about how to solve troubles of SAMSUNG GALAXY F15 at community.

What are Advantages of SAMSUNG GALAXY F15 Specifications and Features:

  • GSM 3G HSDPA with 4G LTE + 5G, Dual Simcard
  • LCD 6.6 inches Super AMOLED
  • Internal memory 128 GB
  • RAM 4 GB or 6 GB
  • Main Camera Triple 50 MP f/1.8 + 5 MP f/2.2 + 2 MP f/2.4
  • Main Camera Features autofocus, LED flash
  • Front Camera 13 MP for video conference & selfie photography
  • Processor Octa-core 2×2.2 GHz Cortex-A76 & 6×2.0 GHz Cortex-A55
  • GPU Mali-G52 MC2
  • Operating system Android 14
  • Battery Li-Ion 6000 mAh

How to Fix or Problem Solving for Recovery SAMSUNG GALAXY F15 hang or not responding or malfunctions or stuck or freezing or bricked ?

This phone has 128 GB internal storage. We can choose several applications and games from Google Play Store. But please read many user reviews before install new or not famous apps. Why? Because some of them may contain viruses or threat or malware.

Our SAMSUNG GALAXY F15 can get some troubles like become lagging or slowly or stuck or bricks or hang or LCD touch screen not responding or frozen. Google will not give Verified by Play Protect information when the applications are not safe.

When we get this problems, we need to remove any temporary files and caches from SAMSUNG GALAXY F15 by performing reboot or restart. We need to install good antivirus like NORTON or AVAST to scan all applications and bad settings inside this phone.

If the problems still happen, then we have to force hard reset or master format to factory default reset with one of the options above. Please note, doing hard reset will remove all important data and installed applications. We need to backup all important data before performing hard reset. For safety reasons, we suggest to stay away from unknown APK, because some of them are not dangerous.

How to Force Shutdown or Force Soft Reset or Reboot or Restart SAMSUNG GALAXY F15 ?

We can choose 4 GB or 6 GB RAM. After installed many applications, some of them may crash or corrupt that can make SAMSUNG GALAXY F15 frozen or hang or LCD touch screen not responsive. We have to force soft reset or reboot or restart to clean temporary files.

Please press and hold POWER BUTTON + VOLUME DOWN BUTTON to shutdown or restart. We can turn it on again by pressing POWER BUTTON. Do not worry with our data and applications, because soft reset process will not remove any important files. We can do this process anytime we want, especially when some strange situations happen on SAMSUNG GALAXY F15.

We also can do soft reset procedure when our phone still at ON positions, by press and hold POWER BUTTON for several seconds, then the pop-up menu will appear for Shutdown / Reboot / Power off.

Solutions and Tricks For Reset Forgot Samsung Account

How to backup data or Contact at SAMSUNG GALAXY F15 ?

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.

SAMSUNG GALAXY F15 can be connected to USB flash drive for backup destination, because it has USB On the Go (OTG) features. We can use file manager to copy files from internal storage to USB flash drive. Please note, sometime it can not work properly with bigger external drive HDD because the phone power is not enough to power up the external hard drive.

We can use USB data cable for connect SAMSUNG GALAXY F15 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 F15 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 F15 with software menu:

  1. Turn on this phone
  2. Make sure SAMSUNG GALAXY F15 battery already charge properly
  3. Go to menu:Setting >General tab> Backup & Reset > Factory data reset > Reset device
  4. ChooseErase Everything
  5. SAMSUNG GALAXY F15 will do the process to Master Reset to Factory Default

hard reset SAMSUNG GALAXY F15

#Option 2, How to Hard Reset SAMSUNG GALAXY F15 with Hardware key button:

  1. Make sure the battery of SAMSUNG GALAXY F15 charge properly or battery have more than 50% capacity
  2. Turn off SAMSUNG GALAXY F15
  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 F15 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 F15 forgot password code or security lock screen pattern or pin (lost password)?

With 128 GB internal storage, we will have many important data and photos video. Moreover because this phone has triple cameras at back side body with 50 MP for wide, 5 MP for ultrawide and 2 MP for macro. Therefore we have to protect all important data from unauthorized people when SAMSUNG GALAXY F15 away from us or stolen or lost.

We can use fingerprint or face detection for first protection. After that, we can choose secondary protection like screen lock pattern or pin or password. Why? Because after SAMSUNG GALAXY F15 reboot or restart, the fingerprint or face unlock will not work. However, the problems will be happen when we forgot all security protection answer, including fingerprint or face detection, what should we do?

If we forgot the security protection, then we have to force hard reset or reformat to factory default by using hardware button combination key like steps at #option 2 above. This phone has FRP (factory reset protection) for secure our phone when stolen or lost. After reformat procedure finish, then we have to bypass the FRP by verified using previous Google account / Gmail account username and password.

We also recommended to activate or create SAMSUNG ACCOUNT at SAMSUNG GALAXY F15, because it can help us to bypass forgotten security protections.


When SAMSUNG GALAXY F15 turn ON but the screen locked then follow this steps:

  1. Mare sure the battery is not empty or more than 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.


Backup password is use for unlock or bypass forgotten security protection at SAMSUNG GALAXY F15. 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 F15, 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 F15 ?

We can try to use secret code for doing hard reset SAMSUNG GALAXY F15 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 F15 will do hard reset and remove all data also installed applications.

How to Format or Erase Phone Memory at SAMSUNG GALAXY F15 ?

If we want to erase all data, files and installed applications from SAMSUNG GALAXY F15, we have to do hard reset or reformat using menu like #option 1 above. We need to choose the checkbox mark for erase or remove data at internal / external memory. All data will be clean up from our SAMSUNG GALAXY F15 including Google account and Samsung account.

How to Make Battery of SAMSUNG GALAXY F15 Stronger, Life Longer and Not Fast to Drain ?

SAMSUNG GALAXY F15 use big battery 6000 mAh capacity. It has 25W fast charging technology. If we want to make it work more longer, then please do some adjustment to reduce battery drain like make LCD screen brightness as low as possible and turn off all not use connections like GPS or Bluetooth or WiFi. NFC is not available on SAMSUNG GALAXY F15.

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