A: The A37m does not have a user-unlockable bootloader like Pixel or OnePlus. Flashing via EDL does not touch the secure boot. You are safe.
Disclaimer: This guide is for educational purposes. Manufacturer warranties are voided by unofficial flashing. The author is not responsible for bricked devices.
A: No. The Global firmware includes the same drivers for the fingerprint scanner. It will work perfectly. Conclusion: Your A37m is Now Global Converting your OPPO A37m China to Global firmware is the single best upgrade you can give this aging device. It transforms a region-locked, Chinese-app-infested phone into a usable international smartphone with Google Play, proper notifications, and a clean interface.
