How to Easily Master Format SAMSUNG GALAXY Z FOLD4 with Safety Hard Reset?

Tips and tricks to fix SAMSUNG GALAXY Z FOLD4 problems. This phone release at August 2022 with some improvement if compare with Fold3. It is use flagship processor Qualcomm SM8475 Snapdragon 8+ Gen 1 that work with dedicated GPU (graphic user interface) Adreno 730 for fast graphic rendering. It is use special Android version with Android 12L for larger screen. The Samsung user interface use One UI 4.1.1.

This phone has foldable screen. When it is unfolded, the screen size is 7.6 inches with Dynamic AMOLED 2X and has high refresh-rate 120Hz. When it is folded, we can use cover screen 6.2 inches size with Dynamic AMOLED 2x and has sames 120Hz refresh rate. This phone has IPX8 rating for water proof performance. We will give more solutions and information review about how to solve troubles of SAMSUNG GALAXY Z FOLD4 5G at community.

What are Advantages of SAMSUNG GALAXY Z FOLD4 Specifications and Features:

  • GSM 3G HSDPA with 4G LTE + 5G
  • LCD 7.6 inches 120Hz Foldable (Main LCD)
  • LCD 6.2 inches At phone Cover (Secondary LCD)
  • Internal memory 256 GB or 512 GB or 1 TB
  • RAM 12 GB
  • Main Camera Triple 50 MP f/1.8 + 10 MP f/2.4 + 12 MP f/2.2
  • Main Camera Features autofocus, LED flash
  • Front Camera 4 MP or 10 MP for video conference & selfie photography
  • Processor Octa-core 1×3.19 GHz Cortex-X2 & 3×2.75 GHz Cortex-A710 & 4×1.80 GHz Cortex-A510
  • GPU Adreno 730
  • Operating system Android 12
  • Battery Li-Ion 4400 mAh

Solutions To Fix Camera Issues On SAMSUNG GALAXY Z FOLD4

Follow this page to solve front or main SAMSUNG GALAXY Z FOLD4 camera with simple and easy steps.

How to Fix or Problem Solving for Recovery SAMSUNG GALAXY Z FOLD4 hang or not responding or malfunctions or stuck or freezing or bricked ?

This is flagship smartphone that use high-end processor Qualcomm SM8475 Snapdragon 8+ Gen 1 with 4 nm FinFET technology. It has fast GPU Adreno 730 for support HD playing games. We can download many apps or games that design for Android 12L OS, for larger screen. But we have to be careful before install new or not famous apps.

Why? Because some of them may contain viruses or malware that can make troubles if installed on our SAMSUNG GALAXY Z FOLD4 such as become slowly or stuck or bricks or hang or LCD touch screen not responding or frozen. They can stolen our data or install unknown apps. Google will not give Verified by Play Protect information when the applications are not safe. Please read many user reviews before install that kind of apps.

When we get this problems, we need to remove any temporary files and caches from SAMSUNG GALAXY Z FOLD4 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 Z FOLD4 ?

This phone has big RAM 12 GB. It is important for multitasking apps. However, after installed many applications, some of them may crash or corrupt that can make SAMSUNG GALAXY Z FOLD4 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 Z FOLD4.

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 Z FOLD4 ?

SAMSUNG GALAXY Z FOLD4 does not have MicroSD external memory, but we can 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 Z FOLD4 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 Z FOLD4 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 Contact / Data / Photos on SAMSUNG GALAXY Z FOLD4

We need to backup all important data and photos videos at safe locations. Follow this page to get simple tips to backup data on SAMSUNG GALAXY Z FOLD4

#Option 1, How to Hard Reset SAMSUNG GALAXY Z FOLD4 with software menu:

  1. Turn on this phone
  2. Make sure SAMSUNG GALAXY Z FOLD4 battery already charge properly
  3. Go to menu:Setting >General tab> Backup & Reset > Factory data reset > Reset device
  4. ChooseErase Everything
  5. SAMSUNG GALAXY Z FOLD4 will do the process to Master Reset to Factory Default

hard reset samsung galaxy z fold4

#Option 2, How to Hard Reset SAMSUNG GALAXY Z FOLD4 with Hardware key button:

  1. Make sure the battery of SAMSUNG GALAXY Z FOLD4 charge properly or battery have more then 50% capacity
  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 Z FOLD4 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 Z FOLD4 forgot password code or security lock screen pattern or pin (lost password)?

This phone has big internal storage with 256 GB or 512 GB and the biggest version has 1 TB internal memory. All data and installed apps will be saved inside this storage, including photos videos that shoot from 50 megapixel front camera + 10 megapixel for 3x optical zoom and 12 megapixel for 123 degree ultrawide. We have to secure all data from unauthorized people when SAMSUNG GALAXY Z FOLD4 away from us or stolen or lost.

The fingerprint is ready to use at side body. We can use front camera as facial recognizing. Please choose secondary protection for backup like screen lock pattern or pin or password. Why? Because we can not use fingerprint or face detection after SAMSUNG GALAXY Z FOLD4 reboot ro restart. 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 Z FOLD4, because it can help us to bypass forgotten security protections.


When SAMSUNG GALAXY Z FOLD4 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.

How To Fix SAMSUNG GALAXY Z FOLD4 Overheating Issues?

It is very dangerous if we use SAMSUNG GALAXY Z FOLD4 with hot temperature conditions. Follow this page to solve overheat problems on SAMSUNG GALAXY Z FOLD4.


This is the way to help for unlock or bypass forgotten security protection at SAMSUNG GALAXY Z FOLD4. 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 Z FOLD4, 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 Z FOLD4 ?

We can try to use secret code for doing hard reset SAMSUNG GALAXY Z FOLD4 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 Z FOLD4 will do hard reset and remove all data also installed applications.

How to Format or Erase Phone Memory at SAMSUNG GALAXY Z FOLD4 ?

If we want to erase all data, files and installed applications from SAMSUNG GALAXY Z FOLD4, 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 Z FOLD4 including Google account and Samsung account.

How to Make Battery of SAMSUNG GALAXY Z FOLD4 Stronger, Life Longer and Not Fast to Drain ?

SAMSUNG GALAXY Z FOLD4 has 4400 mAh non removable battery. It has fast charging 25W and fast wireless charging 15W. The battery enough to power up this phone full one day. But if we use this phone too much, then we suggest to do some adjustment to make SAMSUNG GALAXY Z FOLD4 battery work more longer.

Please make LCD screen brightness not too bright to save the battery usage. We also have to turn off all not use connections like NFC or GPS or Bluetooth or WiFi, because they still use some small amount of battery power at standby mode.

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