Be it for flashing custom ROM or installing a custom recovery like TWRP, the possibilities stands endless. Along the same lines, you could also gain administrative privileges by rooting your device via Magisk. This in turn will allow you to flash a plethora of mods and tweaks onto your device. But before you could welcome any of these modifications- you need to checkmark an important prerequisite off the list- the bootloader on your Samsung Galaxy A21/A21s needs to be unlocked. And in this guide, we will show you how to do just that. Follow along.
Benefits and Risks of Unlocking Bootloader
Unlocking the bootloader is the gateway to extract 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 Modules, Xposed Framework, Substratum Themes , Viper4Android 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 Samsung Galaxy Galaxy A21/A21s.
How to Unlock Bootloader on Samsung Galaxy A21/A21s
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 A21/A21s
STEP 2: Enable OEM Unlock on Galaxy A21/A21s
STEP 3: Boot Galaxy A21/A21s to Download Mode
STEP 4: Unlock Bootloader on Galaxy A21/A21s
STEP 5: Bypass VaultKeeper on Galaxy A21/A21s
That’s it. These were the steps to unlock the bootloader on Samsung Galaxy A21/A21s. 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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