How To Open Fastboot Mode On Oppo A37 Better May 2026

To open Fastboot Mode (also known as Bootloader Mode) on your OPPO A37, you can use either hardware key combinations or a computer command. Method 1: Physical Buttons (Fastest)

This is the standard way to enter Fastboot without needing a computer. Power Off: Completely turn off your device.

Button Combination: Press and hold the Volume Up + Power buttons simultaneously for a few seconds. Note: Some variants may require Volume Down + Power.

Release: Once the Fastboot text or logo appears on the screen, release all buttons. Method 2: ADB Command (Via Computer)

This method is "better" if your physical buttons are damaged or if you are already setting up developer tools. Enable USB Debugging:

Go to Settings > About Phone and tap Version multiple times until "Developer Mode" is on. how to open fastboot mode on oppo a37 better

Go to Additional Settings > Developer Options and enable USB Debugging.

Connect to PC: Plug your phone into your computer via a USB cable.

Run Command: Open a terminal/command prompt in your ADB folder and type:adb reboot bootloader.

Confirm: Your phone will automatically restart into Fastboot Mode. Method 3: Via ColorOS Recovery Menu

If you can reach Recovery Mode, you can often jump to Fastboot from there. To open Fastboot Mode (also known as Bootloader

Enter Recovery Mode by holding Volume Down + Power while the phone is off. Select English using the Volume keys and Power button.

Look for an option labeled Reboot to Bootloader or Fastboot. Select it to transition modes. Key Differences Feature Fastboot Mode Recovery Mode Primary Use Flashing system partitions from a PC Factory resets and internal updates Interface Command-line driven (via PC) On-device menu with buttons Connection Requires USB connection to a computer Can be used standalone

Pro Tip: If your phone gets stuck in Fastboot Mode, simply hold the Power button for about 10–15 seconds to force a normal reboot. How to Enable Fastboot Mode on your Phone (Best Method)

To open fastboot mode on an Go to product viewer dialog for this item.

(or A37f/A37fw), you can use hardware key combinations or computer-based commands. This mode is primarily used for advanced tasks like flashing firmware or unlocking the bootloader. Method 1: Hardware Key Combination If rooted or granted ADB, apps that require

This is the most common method and does not require a computer. Power Off: Completely turn off your OPPO A37.

Press and Hold: Simultaneously press and hold the Power and Volume Down buttons.

Release Buttons: Once the OPPO logo appears on the screen, release the Power button but continue holding Volume Down until the recovery screen or language selection appears.

Enter Fastboot: From the recovery menu, navigate using the volume keys and select "Reboot to bootloader" or "Enter fastboot" if available.

Note: On some older OPPO models, the Volume Up + Power combination is used instead. Method 2: Using ADB Commands (via PC) How to Enter Fastboot Mode on OPPO A17

How to open Fastboot mode on OPPO A37

Troubleshooting: When Fastboot Still Doesn’t Open

Method 3 — Using a Fastboot/Reboot app (root or ADB shortcut)

If rooted or granted ADB, apps that require root can reboot to bootloader. Use only trusted apps and understand root risks.

How to Exit Fastboot Mode

Once you are done with your modifications, you need to get back to the normal Android operating system.

Option 1: Use the Volume keys to highlight "Start" or "Reboot" on the Fastboot screen and press the Power button to select it.
Option 2 (Force Restart): If the screen is stuck or unresponsive, press and hold the Power button for about 10-15 seconds until the device forces a reboot.

Manual Key Combo (If ADB doesn't work):

Power off your Oppo A37 completely
Press and hold Volume Down + Power simultaneously
As soon as the Oppo logo appears, release Power but keep holding Volume Down
Keep holding until you see a black screen with "Fastboot" or "Download mode" text

Note: On some A37 variants, the combo is Volume Up + Power or Both Volume buttons + Power. Try all three if the first fails.

Step 1: Enable Developer Options and USB Debugging on Oppo A37

On your Oppo A37, go to Settings → About Phone.
Scroll down to Version (or “Build Number”). Tap it 7 times continuously. You will see a toast message: “You are now a developer.”
Go back to Settings → Developer Options (usually under “Additional Settings” or near the bottom).
Turn on Developer Options (toggle at the top).
Scroll down and enable USB Debugging. Confirm any warning prompt.