How To Open Fastboot Mode On Oppo A37 Better | 2025 |

Even after entering Fastboot, you will find that many commands (like fastboot flashing unlock) will not work on a standard Oppo A37. Oppo locks its bootloaders and does not provide an official unlock method for this model. You may see:

FAILED (remote: 'Device already : lock!)

This is normal. To truly fastboot flash anything, you may need an unofficial unlock tool or an older firmware version that had a vulnerability. how to open fastboot mode on oppo a37 better

Why this is “better” for some users: It eliminates the need for a PC if you have root access. However, since most Oppo A37 users do not have root initially, Method 1 remains superior. Even after entering Fastboot, you will find that

If your phone simply restarts normally instead of going into Fastboot: This is normal

Solution: The Oppo A37 uses a Snapdragon 410 (MSM8916) chipset, not MediaTek. If you see MTK, you have wrong drivers. Uninstall all phone drivers and reinstall Qualcomm or Oppo official drivers.

Oppo locks bootloader access on MediaTek chips. The phone uses: