However, unlocking the bootloader allows you to modify, repair or install the custom ROM. With that, you can change the look and feel of your device. In the past, some Android Original Equipment Manufacturers(OEMs) wouldn’t let you unlock and thereby flash custom firmware easily. But, in recent years most Android OEMs have eased the process of unlocking the bootloader.In this guide, we will first share what an Android bootloader is and how you can unlock it. After that, we will show you how you can use it. So, let’s start!
Things to Consider Before Unlocking the Bootloader
How to Unlock the Android Bootloader?
Although you can unlock the bootloader without using the PC, the process is a lot more complicated, and the failure rate is also higher. So, we recommend you use your PC.
If you are a normal user, you may never require to unlock your bootloader. But if you still want to do it, do it at your own risk. It is possible that your device might be bricked and unusable if anything goes wrong in the middle of the unlocking process.Your device will be factory reset. So, you need to properly backup your data before unlocking the bootloader.Your device may not get an official software update from the OEM.It may void the device’s warranty.The process may take a while to complete.
To unlock the Android bootloader, we have taken the Xiaomi device as a reference. Follow the below steps to prepare your phone for unlocking the bootloader.Now, it’s time for your PC to perform its task.Back on your phone, You will see the small unlock icon at the top of your screen during the reboot process meaning you have unlocked the bootloader. Also, as previously mentioned, your device will be factory restored once the reset process is done. Then, set up your device and follow the below steps.
How to Use Android Bootloader?
Once you have successfully unlocked the Android bootloader, it’s time to use it. Now, you have unlimited power to customize, modify, or change your device’s system settings.
Flashing Factory Image
Flashing Factory image is an impressive utility that helps update the rooted device, unbrick the device, return to the old version, or get the latest Android updates. Before flashing the factory image, make sure you download the flashing images or other files specifically for your device model.Follow the below steps to flash the factory image.
Flashing Fastboot Recovery
This utility will help to transfer the files destined for the partition. For this action to perform, find your device on the official TWRP site and download it according to the specific brand and model name. For this part, we have the Xiaomi device as an example.
Managing the Partition
There are many cases of managing the partition. But, we have just shown a couple of essential commands like Wipe Data and Fetch recovery to perform its action.Wipe DataThis command will help you to erase the partition of your device. It can be useful when you want to remove the Custom ROM and replace it with OEM ROMS.Fetch RecoveryThis command is used to back up the phone’s partitions like Recovery, Kernel, or System to your PC. So, if anything goes wrong with your phone, it can help to back up the image that could be flashed again to make the phone work back to normal.
Unlocking the Flashing Image
By using this command, your device will enable the partitions to be reflashed. It could help to unlock the flashing feature if it’s not enabled.