If you are hesitant to flash the entire system, you can "globalize" the existing China ROM without a full wipe: Oppo A37M MT6750 Firmware Flash File - Facebook
Many users search for an “OPPO A37m China to Global firmware update via SD card” or “local update.” oppo a37m china to global firmware
If you want to use your A37m as a daily driver outside of China, the Global firmware is non-negotiable. If you are hesitant to flash the entire
Follow these steps meticulously. The process is known as “cross-flashing.” etc.). Once converted
The tool will load all the partitions (Recovery, System, Boot, etc.).
Once converted, verify the following: