How To Open Fastboot Mode On Oppo A37 [verified] Instant

Here’s a clear, step-by-step guide for How to Open Fastboot Mode on OPPO A37 — designed to be helpful for both beginners and advanced users.

How to Open Fastboot Mode on OPPO A37 Fastboot mode (also called "Download Mode" on some OPPO devices) allows you to flash firmware, unlock the bootloader, or run fastboot commands. On the OPPO A37 (f1f) running ColorOS (based on Android 5.1), the standard button combo works, but note: Fastboot is partially disabled on some ColorOS versions — if it doesn’t work, you may need to enable OEM unlocking first. Method 1: Hardware Key Combination (Most Common)

Power off your OPPO A37 completely.

Hold the Power button → Tap Power off . How to Open Fastboot Mode on OPPO A37

Wait 10 seconds, then press and hold Volume Up + Power button together. When the OPPO logo appears, release the Power button but keep holding Volume Up . You should see "Fastboot mode" text on screen.

If you see "Recovery mode" instead, you released Volume Up too early. Try again.

Method 2: ADB Command (Requires USB Debugging) Use this if your phone boots normally but you want to reboot directly into fastboot. Prerequisites: Here’s a clear, step-by-step guide for How to

Enable Developer Options (Settings → About Phone → tap "Build Number" 7 times) Go to Developer Options → Enable USB Debugging and OEM Unlocking

Steps:

Install ADB & Fastboot on your PC (Minimal ADB or Platform Tools). Connect OPPO A37 to PC via USB. Open command prompt in the ADB folder and run: adb devices Method 1: Hardware Key Combination (Most Common) Power

(Accept the RSA key prompt on phone) Then type: adb reboot bootloader

Phone will reboot into Fastboot mode .