Unlock Bootloader on Oppo A77 4G

How to Unlock Bootloader on Oppo A77 4G 2023: Oppo A77 4G bootloader unlock is a process that allows users to gain access to their device’s bootloader, enabling the installation of custom firmware and modifications. This procedure empowers users to personalize their Oppo A77 4G smartphones, but it may void warranties and pose risks if not done carefully.

Benefits of unlocking the bootloader in Oppo A77 4G

Unlocking the bootloader on an Oppo A77 4G mobile device offers several benefits, including

• Custom Roms
• Custom Recoveries
• Root Access
• System-level Modifications
• Third-party Apps and Modules
• Developer options
• Backup and Recovery

It is important to note that bootloader unlocking an Oppo A77 4G has benefits but also risks

Drawbacks of Unlocked Bootloader Oppo A77 4G

Unlocking the bootloader of Oppo A77 4G devices also has some disadvantages and risks

• Warranty Void
• Security Risks
• Software Instability
• OTA Updates
• Limited App Support
• Data Loss
• Brick Risk

Do this before Unlock Bootloader of your Oppo A77 4G phone

Before unlocking the Bootloader of your Oppo A77 4G device, there are a few things you need to order to make the process as smooth and successful as possible.

• Download and install Oppo A77 4G USB drivers for Windows
• Enable Developer Options and USB Debugging. This will allow the computer to communicate with your Oppo A77 4G phone.
• Before Rooting, make sure that your Oppo A77 4G Device has more than 75% of Battery available.
• Make sure to Take a complete backup of your Oppo A77 4G Android phone. Having a backup will help you restore important files and software if you lose them.
• This method and step is only for the Oppo A77 4G Device smartphone. Please do not try this method and step on any other smartphone. , Otherwise, it will Brick your phone.

Warning: By unlocking the bootloader, all data on your Oppo A77 4G phone be deleted. This includes apps, photos, videos, messages, and everything stored on your Oppo A77 4G phone. Make a full backup of your important data before proceeding below.

Unlocking the Bootloader On the Oppo A77 4G Device

Step 1: Enabling Developer Options and OEM Unlock your Oppo A77 4G device

Before we dive into the unlocking process, you need to enable Developer Options on your Oppo A77 4G. Follow these steps:

1. Open the Settings on your Oppo A77 4G smartphone
2. Scroll down and find About Phone Tap on it
3. Look for Build Number and tap it seven times until you see a message indicating that the Developer Option has been enabled.
4. Return to the main Settings menu, and then scroll down to Additional Settings.
5. Tap on Developer Options
6. Inside Developer Options and OEM Unlocking enable
7. After enabling OEM Unlocking, also enable “USB Debugging.”

Step 2: Unlocking the Bootloader on Oppo A77 4G

Now that you’ve enabled the necessary developer options, it’s time to proceed with unlocking the bootloader:

1. Start by downloading and installing the Oppo A77 4G USB drivers if you haven’t already (make sure you have completed the pre-requisites section) Connect your Oppo A77 4G to your PC using the original USB cable.
2. Completely power off your smartphone.

Next, follow these steps to enter the bootloader mode:

4. Extract the ADB & Fastboot folder to a convenient location on your PC.
5. Right-click anywhere in the blank space within the folder while holding the Shift key to open a command window or PowerShell window.

In the command window, execute the following commands:

6. To verify whether your smartphone is detected by the computer, type and run the command: adb device 
7. To enter bootloader mode, type and run the command: adb reboot bootloader

Now, you are ready to unlock the bootloader. Depending on your device, you can use one of the following commands. If the first command does not work, try the second time:

8. To unlock the bootloader, type and run the command: fastboot flashing unlock or fastboot OEM Unlock

After running the appropriate command, you will receive a confirmation message. Proceed by typing “Yes” and pressing Enter to unlock the bootloader.

9. Finally, reboot your Oppo A77 4G to allow it to enter the unlocked bootloader state by typing and running the command: fastboot reboot

Congratulations You have successfully unlocked the bootloader on your Oppo A77 4G phone.

Download the Oppo A77 4G USB driver

Conclusion

There are many ways to unlock the bootloader of an Oppo A77 4G phone, but the easiest way is to use the unlock bootloader app. Many processes can be used but they are a bit difficult and none work that much better overall this is the easiest way to unlock the bootloader Oppo A77 4G phone