Tips and tricks to fix SAMSUNG GALAXY F12 problems. This is cheap mid-end smartphone that has 6.5 inches LCD screen HD resolution at SAMSUNG GALAXY F12. We can not run 5G broadband at this phone because it use 4G processor Exynos 850 together with dedicated GPU (graphic processor unit) Mali-G52.

When we open from the box, this phone already installed with Android 11 that work with One UI 3.1 Samsung user interface. It has 4 rear camera and single front camera with small notch drop. Some users get issues with software or hardware inside SAMSUNG GALAXY F12, therefore we will try to give more solutions, reviews and information about how to solve troubles of SAMSUNG GALAXY F12 (SM-F127G/SM-F127F) at community.


What are Advantages of SAMSUNG GALAXY F12 Specifications and Features:

  • GSM 3G HSDPA with 4G LTE, Dual Simcard
  • LCD 6.5 inches
  • Internal memory 64 GB or 128 GB
  • RAM 4 GB
  • 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 F12


How to Fix or Problem Solving for Recovery SAMSUNG GALAXY F12 hang or not responding or malfunctions or stuck or freezing or bricked ?

This phone powered by octa core processor Exynos 850 with two options of RAM storage, 64 GB or 128 GB. We can extend storage capacity by using MicroSDXC for keep our photos videos or some downloaded files. We can install many applications from Google Play Store.

Although we still have big free storage, we always suggest to only download important applications, because some new or not famous apps may contain viruses that can make troubles if installed on SAMSUNG GALAXY F12 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 F12 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 Slowly Lagging Issues On SAMSUNG GALAXY F12



How to Force Shutdown or Force Soft Reset or Reboot or Restart SAMSUNG GALAXY F12 ?

With 4 GB RAM, there are some applications that we can run together, but it is not too big for multitasking performance. 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 F12 to make it work normally again. Please press and hold POWER button until SAMSUNG GALAXY F12 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 F12 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 F12  ?

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 F12 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 F12 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 On SAMSUNG GALAXY F12


#Option 1, How to Hard Reset SAMSUNG GALAXY F12 with software menu:

  1. Turn on this phone
  2. Make sure SAMSUNG GALAXY F12 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 F12 will do the process to Master Reset to Factory Default


hard reset samsung galaxy f12

#Option 2, How to Hard Reset SAMSUNG GALAXY F12 with Hardware key button:

  1. Make sure the battery of SAMSUNG GALAXY F12 charge properly or battery have more then 50% capacity
  2. Turn off SAMSUNG GALAXY F12
  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 F12 will do the process of restoring to factory default without any password or passcode (hard reset).


Solution To Fix Hot Temperature Issues On SAMSUNG GALAXY F12


How to Unlock or Fix or Bypass or Solutions for SAMSUNG GALAXY F12 forgot password code or security lock screen pattern or pin (lost password)?

There are some important applications that we will have inside this phone, most apps will have confidential data. We also will have daily photos and videos that may private. Please secure all data from unauthorized people when SAMSUNG GALAXY F12 (SM-F127G/SM-F127F) away from us or lost or stolen.

Side mounted fingerprint is ready to use. We can use 8 megapixel front camera for face unlock recognizing. Secondary protections will need to activate for backup. We can use password or screen lock pattern or password.

SAMSUNG GALAXY F12 fingerprint or face detection will not work after reboot or restart or soft reset. We have to activate using secondary protection for the first 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 F12. 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 F12, because it can help us to bypass forgotten security protections.


When SAMSUNG GALAXY F12 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 Insufficient Memory Full Issues On SAMSUNG GALAXY F12



This is the way to help for unlock or bypass forgotten security protection at SAMSUNG GALAXY F12. 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 F12, 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 F12 ?

We can try to use secret code for doing hard reset SAMSUNG GALAXY F12 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 F12 will do hard reset and remove all data also installed applications.


How to Format or Erase Phone Memory at SAMSUNG GALAXY F12 ?

There are two phone memory type at SAMSUNG GALAXY F12, 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 F12 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 F12 Stronger, Life Longer and Not Fast to Drain ?

SAMSUNG GALAXY F12 (SM-F127G / SM-F127F) has big battery capacity at 6000 mAh. Many users can use this phone 2 days or more. However, if we use this phone too much and we are away from charger, then please do some adjustment to make SAMSUNG GALAXY F12 battery work more longer.

First we have to make LCD screen brightness as low as possible because more brightness will use more battery power. We also have to disable all not use connections like GPS or Bluetooth or Wifi. NFC is not installed on SAMSUNG GALAXY F12.