This method keeps the stable, official China firmware but strips away the annoyances, offering a 90% solution without the risk of destroying the phone.
A: Yes. Because you are on the global channel, your phone will check OPPO’s global servers. You will receive updates like A37mEX_11_A.17 , but they will arrive later than official global phones. oppo a37m china to global firmware
Mostly yes, but the “f” and “w” variants have different 4G band configs. The A37m is the MediaTek variant. Always check your model in Settings > About Phone. This method keeps the stable, official China firmware