For users who purchased an imported device or those looking to standardize their software experience, flashing the Global Firmware is often the preferred solution.
Because the A37m uses a MediaTek MT6735 processor, we use (Smart Phone Flash Tool) for low-level flashing. Oppo A37m Global Firmware
– Official moderators occasionally post direct download links for Global firmware (typically hosted on Oppo’s own oppo.com domain). For users who purchased an imported device or