How to Unlock Bootloader on Samsung Galaxy Z Flip

Samsung Galaxy Z Flip is the new generation of flip flop smartphones there were famous in the 2000s. As Samsung is still perfecting its folding AMOLED screen, Galaxy Z Flip sets a good example for the market. Here in this guide, we will share with you an in-depth guide to Unlock Bootloader on Samsung Galaxy Z Flip. Similar to the Android smartphones, Samsung Galaxy Z Flip handset also comes with a locked bootloader. Therefore, it can be unlocked easily with a few steps, which mentioned below.

Being an Android enthusiast or a developer, you might want to unlock the bootloader of your Samsung Galaxy Z Flip. After unlocking the bootloader of your device, you can install a custom recovery, root your device, install custom ROM and much more.

Samsung Galaxy Z Flip

What is Bootloader?

A Bootloader is a code that runs when we turn on our device. This code initializes some hardware and then loads the kernel and ramdisk, and gets the boot process going. So this process is known as bootloader. The same concept applies to all the technical stuff such as laptops, PC, Smartphones, and any such device. Every Android OEM manufacturers lock the bootloader even though it is an Open Source. So if you want to try any CUSTOM ROM, it is impossible to load the CUSTOM ROM without the Unlock Bootloader.

Device Specification

Before heading to the process of unlocking bootloader of Galaxy Z Flip, let’s take a quick look at the device specification:

Samsung has just announced its full-screen foldable smartphone that will change the future of foldable display devices. Yes, Samsung launched the Galaxy Z Flip, a successor to Galaxy fold and a competitor Motorola Razr 2019. The best part is that it’s a quite bigger display device that folds so nicely and fits on your palm or pocket very easily. The revolutionary folding hinge technology offers a stable and reliable folding experience that was missing on the Galaxy Fold handset. Additionally, due to the folding parts, you can easily do multitasking as well.

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The Galaxy Z Flip has a 6.7-inches foldable dynamic AMOLED display that has a resolution of 1080×2636 pixels with HDR10+ support. While folded, the display will turn in a size of 1.1-inches Super AMOLED with a resolution of 112×300 pixels. It runs on One UI 2.0 based on Android 10 out-of-the-box. The device packs a decent 3,300mAh battery with 15W fast charging support.

It’s powered by an octa-core Qualcomm Snapdragon 855+ SoC, paired with Adreno 640 GPU, 8GB of RAM, 256GB of internal storage (UFS 3.0). Keep in mind that it doesn’t have any storage expandable option. While talking about the cameras, the handset sports dual rear cameras with a primary 12MP camera (wide, f/1.8) and a secondary 12MP (ultrawide, f/2.2) lens. It has an LED flash, Dual Pixel PDAF, OIS, HDR, Panorama, etc.

While the front packs a single 10MP selfie camera with an f/2.4 aperture wide-angle lens that has PDAF, HDR mode, etc. There is no 3.5mm audio jack. It features dual-band Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 5.0, GPS, A-GPS, GLONASS, GALILEO, BDS, NFC, USB Type-C port, USB OTG, etc. The device has a side-mounted fingerprint sensor, an ambient light sensor, an accelerometer, gyroscope, proximity, compass, barometer sensor.

Warning!

Unlocking bootloader might void the warranty of your device. We at Getdroidtips will not be responsible for any damage due to the unlocking of your device’s bootloader.

Steps to Unlock Bootloader on Samsung Galaxy Z Flip

  1. First of all, Enable Developer Mode on the Galaxy Z Flip  
  2. Launch the Settings application
  3. Scroll down and tap on the Developer Options option
  4. Toggle the OEM Unlock option on 
  5. Confirm by tapping the enable option. 
  6. Power off your device. Press Bixby + Volume Down and plug in your device to a PC to boot into download mode
  7. Long press volume up to unlock the bootloader. This will wipe your data and automatically reboot

    Note:

    Unlocking bootloader will wipe all your data from your device. Make sure to take a complete backup of your phone before doing the next step.


  8. Just when you think the bootloader is unlocked, surprise surprise, it is actually not! Samsung introduced inVaultKeeper the system, meaning the bootloader will reject any unofficial partitions before explicitlyVaultKeeper allows it.
    • Go through the initial setup. Skip through all the steps since data will be wiped again later when we are installing Magisk. Connect the device to the internet in the setup, though!
    • Enable developer options, and confirm that the OEM unlocking option exists and grayed out! The VaultKeeper service will unleash the bootloader after it proves that the user has the OEM unlocking option enabled. This step is to make sure the service gets the correct info, and also double-check that our device is in a correct state
    • Your bootloader now accepts unofficial images in download mode, a.k.a actual bootloader unlocked :D. Follow on to read the rest of this guide.
  9. That’s it! You have unlocked the bootloader on your Galaxy Z Flip.

So, guys, this is how you can unlock the bootloader on your Samsung Galaxy Z Flip. After unlocking the bootloader, you can flash custom ROM, install TWRP, or any other task you want. If you are facing difficulty in any step, then let us know via the comment box below. We will be happy to help you out.

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