For the (MediaTek MT6750 variant), fixing issues with custom ROMs or restoring the device generally involves flashing the Global Stock ROM or specialized "fix" firmware to resolve common problems like bootloops or "hang on logo". Flash/Fix Options for Oppo A37m
Ensure all partitions (boot, recovery, system, etc.) are checked. Use the Download Only mode for general fixes. Connect Device: Power off your Oppo A37m. Hold Volume Up + Volume Down simultaneously. oppo a37m custom rom fixed