If that shows Recovery instead of Fastboot, try Method B.
If your hardware buttons are broken or unresponsive, you can boot into Fastboot mode using a computer via Android Debug Bridge (ADB). Step 1: Set Up ADB on Your PC
: Press and hold the Power Button and completely turn off your OPPO A37.
To open fastboot mode on an Go to product viewer dialog for this item.
To help me provide more tailored assistance, please let me know (e.g., unlocking the bootloader, fixing a boot loop, or flashing firmware) and which operating system your computer runs. Share public link
: The device will restart directly into Fastboot mode. Summary of Modes How to Enable Fastboot Mode on your Phone (Best Method)
This guide provides verified methods for accessing low-level system modes on the Oppo A37. It covers both the standard and the more powerful Emergency Download (EDL) Mode . These procedures are useful for troubleshooting, system recovery, and advanced modifications, but it is essential to follow the instructions carefully to avoid risks to your device and data.
Simultaneously press and hold the button and the Power Button . Step 3: Release the Buttons
) relies on built-in Android maintenance protocols. Entering this sub-system allows you to flash custom firmware, recover a soft-bricked system, or execute advanced commands using a PC. This comprehensive guide details the exact hardware key method, an alternative computer-driven method, and safe practices for managing your device. Prerequisites Before Entering Fastboot Mode
Press and hold + Power button together.
Keep holding both buttons. As soon as you see the appear on the screen, release the Power Button but continue holding the Volume Down button. Step 4: Navigate the Recovery Menu to Fastboot Your device will boot into the Oppo ColorOS Recovery menu.
Unlike modern flagship phones that have streamlined or even removed Fastboot in favor of GUI-based recovery options, the Oppo A37 (running on the older ColorOS versions based on Android Lollipop/Marshmallow) retains the traditional Fastboot environment. While accessing it is theoretically simple, the hardware limitations of the A37—specifically its aging volume buttons—often make the process tricky.
Since the Oppo A37 uses a processor, the true way to "flash" things is not via Fastboot, but via SP Flash Tool (Smart Phone Flash Tool) using BROM Mode (BootROM) .
