How to Unlock Bootloader in Samsung Galaxy Z Flip4 SM-F721B Easily [Simple Steps]

Today, will share a simple trick with Galaxy Z Flip4 SM-F721B owners who are trying to unlock bootloader of their device. It comes with 1200 nits peak brightness, One UI 5.1, near field communication support, HDR10+ certification, 187g weight, phase detection auto focus support and 12MP rear camera. If you have recently bought Galaxy Z Flip4 SM-F721B, then you might be planning to unlock its bootloader. As we know, bootloader is a program that starts whenever phone is turned on. It activates the Android operating system on Galaxy Z Flip4 SM-F721B. Locked bootloader does not allow us to install custom ROM on our device. It only loads the authorized Android OS with a digital signature. will help you in unlocking Galaxy Z Flip4 SM-F721B bootloader. You will be able to install custom ROM after unlocking bootloader. Previously, I have published the simple instructions for rooting Samsung Galaxy S21 FE SM-G990B. Now, I will discuss about the step-by-step tutorial to unlock bootloader of Samsung Galaxy Z Flip4.

I am hoping that you will be able to unlock Galaxy Z Flip4 SM-F721B bootloader without facing any problem after reading the tutorial written in Don’t forget to activate developer options. You must note that your Galaxy Z Flip4 SM-F721B will lose warranty after the bootloader unlock process. It will let you install Custom ROMs on your device. You must activate OEM unlock option. Bootloader unlock process will also let you install Magisk on your device, so you will be able to root your device after unlocking its bootloader.

If you are planning to install official and unofficial LineageOS custom ROM on Galaxy Z Flip4 SM-F721B, then you must be eagerly waiting to unlock its bootloader. You must save your important documents securely including messages and contacts before unlocking bootloader of Galaxy Z Flip4 SM-F721B, because there is a possibility of losing all documents from your device during bootloader unlock process.

Below are the steps using which you can unlock bootloader of Galaxy Z Flip4 SM-F721B. will not be responsible if your device got broken during bootloader unlock process. Galaxy Z Flip4 battery must be above 86 percentage before bootloader unlock process. You have to activate developer options before unlocking it.

How to Unlock Bootloader in Samsung Galaxy Z Flip4 SM-F721B Easily [Simple Steps]

1. Tap “Settings” Menu on Galaxy Z Flip4, then you have to tap “About phone” option.

2. Tap “Software Information” option.

3. Tap “Build number” option several times until you see “developer mode has been enabled” message on your Galaxy Z Flip4.

4. Tap “Settings” Menu again.

5. Tap “Developer options”, then activate “OEM unlocking” and “USB debugging” option.

6. Switch off your device.

7. Download and Install USB driver on desktop.

8. Connect your Galaxy Z Flip4 with computer via USB cable while pressing Volume down button and Volume up button simultaneously.

9. Long Press Volume up button for a few seconds to enter Device Unlock Mode.

10. Press Volume up button again to unlock bootloader.

You have successfully unlocked bootloader of Galaxy Z Flip4 SM-F721B. If you are experiencing any difficulty while unlocking Galaxy Z Flip4 bootloader, then don’t hesitate to share your issue with Please submit your email address and subscribe to get more information regarding Galaxy Z Flip4. You must check your email to activate subscription.

Enter your email address:

Delivered by FeedBurner

Leave a Reply