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Unlock Bootloader on Samsung Galaxy A71/A71 5G

In this guide, we will show you the steps to unlock the bootloader on your Samsung Galaxy A71 5G. In between its flagship-level S series and the budget-friendly M lineup, the South Korean giants boast an impressive set of A series devices. In this regard, the A71 has the most power-packed specs sheet. Launched with Android 10 out of the box, the device has just been blessed with the latest Android 12 update based on OneUI 4.1.

So the likes of Smart Widgets, Smart Calendar, Material You Theming engine, additions to Samsung Pay, and a truckload of other goodies are on the cards. Along the same lines, these devices are performing quite well in custom development as well. Be it for flashing custom ROMs, installing a custom recovery, or flashing tons of tweaks, there’s a lot to look forward to. However, before you could welcome any of these mods, you will have to unlock the bootloader on your Galaxy A 71 5G device. And in this guide, we will help you with just that. Follow along.

Benefits and Risks of Unlocking Bootloader

unlock bootloader galaxy A71 5G

Unlocking the bootloader is the gateway to extract the maximum benefits of Android’s open-source ecosystem. For example, you will be able to install a custom ROM or flash a custom recovery like TWRP. Likewise, you will also be able to get access to the system partition as well as administrative privileges by rooting your device via Magisk. This will then allow you to flash Magisk ModulesXposed FrameworkSubstratum ThemesViper4Android among others.

However, carrying out these tweaks brings in a few uninvited risks as well. To begin with, this process will wipe off all the data and could nullify the device’s warranty. Along the same lines, it will trip the Knox counter, thereby apps like Samsung Pay and Secure Folder might not function. The SafetyNet will be triggered as well [FIXED], thereby preventing you from using banking apps [FIXED]. So if that’s well and good then let’s get started with the steps to unlock the bootloader on the Samsung Galaxy A71 5G.

How to Unlock Bootloader on Samsung Galaxy A71 5G

The below instructions are listed under separate sections for ease of understanding. Make sure to follow in the exact same sequence as mentioned. Likewise, the process will wipe off all the data, so take a complete device backup beforehand. Droidwin and its members wouldn’t be held responsible in case of a thermonuclear war, your alarm doesn’t wake you up, or if anything happens to your device and data by performing the below steps.

STEP 1: Enable Developer Options on Galaxy A71 5G

  1. Head over to the Settings > About Phone.
    unlock bootloader galaxy A71 5G
  2. Then go to Software information.
    unlock bootloader galaxy A71 5G
  3. Now tap on Build Number 7 times.
    unlock bootloader galaxy A71 5G
  4. You will get a toast message “You’re now a developer”.
  5. This signifies that the Developer Option has been enabled.
    unlock bootloader galaxy A71 5G

STEP 2: Enable OEM Unlock on Galaxy A71 5G

  1. Head over to the Settings >Developer options.
  2. Then enable the toggle next to OEM Unlocking.
    unlock bootloader galaxy A71 5G
  3. Tap YES/Turn On in the confirmation dialog box.

STEP 3: Boot Galaxy A71 5G to Download Mode

  1. Start by powering off your device.
  2. Then press and hold Vol Up + Vol Down together and connect your device to the PC via USB cable.
    unlock bootloader galaxy A71 5G
  3. As soon as you see the Warning message on your device, release the pressed keys.
  4. Finally, press the Volume Up key once and your device will be booted to Download Mode.

STEP 4: Unlock Bootloader on Galaxy A71 5G

  1. As of now, your device will be booted to Download Mode.
  2. So press and hold the Volume Up key for a few seconds.
  3. This will take you to the Device unlock mode.
  4. You will now get a confirmation message whether you are sure to proceed ahead.
    unlock bootloader galaxy A71 5G
  5. So use the Volume Up button to reply to the affirmation.
  6. It will now wipe all the data on your device and subsequently unlock the bootloader.
  7. Once that is done, your device should then automatically boot up to the OS.

STEP 5: Bypass VaultKeeper on Galaxy A71 5G

  1. You will now have to notify the Vaultkeeper that you unlocked the device’s bootloader.
  2. To do so, connect your device to the internet.
  3. Then go to Settings and enable Developer Options as mentioned in STEP 1.
  4. Likewise, make sure that the OEM unlocking toggle is turned on as well.

That’s it. These were the steps to unlock the bootloader on the Samsung Galaxy A71 5G. If you have any queries concerning the aforementioned steps, do let us know in the comments. We will get back to you with a solution at the earliest.


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