The new mid-range smartphone from Samsung, the Galaxy A51, has some great features and amazing build quality. It powerful enough for your daily usage and you can get it without burning a hole in your pocket. However, you can always improve the overall experience of any Android device but rooting or flashing a custom recovery and customizing your device to the software level. We’ve already talked about unlocking the bootloader and rooting the Galaxy A51 on your previous guides. This guide will focus on installing a custom recovery on your Galaxy A51. Here’s how to install TWRP on Samsung Galaxy A51.
Install TWRP on Samsung Galaxy A51
Flashing TWRP will give you tons of freedom to customize your Galaxy A51. The most important one is the ability to install custom ROMs. Other than that, you can flash zips that can change the system files, enabling you to remove bloatware, install mods, and more.
Pre-requisites to Install TWRP
- Make sure the battery level on your Galaxy A51 is at least 60% to avoid unintended power-offs that can damage your phone.
- A laptop or a PC.
- Install necessary USB drivers to let your laptop or PC recognize your Galaxy A51.
- Enable USB debugging and OEM unlock. We have already covered this topic in How to unlock Samsung Galaxy A51 bootloader.
- Backup all your important data.
- Download ADB and TWRP image.
How to setup ADB on Windows and Mac
How to Install Android Debug Bridge (ADB)
Install TWRP on Samsung Galaxy A51
Step 1: Install the ADB that you’ve previously downloaded.
Step 2: Transfer the TWRP.img file that you’ve downloaded to Program Files\Minimal ADB and Fastboot folder. This is the default ADB installation folder. If you have chosen a different directory, then transfer the IMG file there.
Step 3: Connect your Galaxy A51 to your PC using a USB data cable.
Step 4: Go to the ADB folder on your laptop or PC. Default location: C:\Program Files\Minimal ADB and Fastboot.
Step 5: Inside the Fastboot folder, while pressing the Shift key, right-click on an empty space inside the folder. 
adb devices
Step 8: Execute the command. (Press Enter). If you’ve connected your Galaxy A51 to your PC or laptop properly, you will see some text just below the List of devices attached. Example: xxxxxxx device. If you do not see the text. Disconnect and reconnect your phone. If you still do not see your device, reinstall the USB drivers.
adb reboot bootloader
Step 10: Confirm if the fast boot is working by entering the following command –
fastboot devices
You will see the same result from Step 8 when you execute the command.
Step 11: Enter the following command to install TWRP recovery –
fastboot flash recovery twrp.img
Step 12: TWRP will now be installed on your Galaxy A51. To enter TWRP – Power off > hold Volume Up + Power > let go of all buttons after you see the Samsung logo.
