Stuck on logo (bootloop), missing Play Store, or Chinese-only language.
Download a verified "Oppo A37m Global Fixed" firmware (often found on specialized mobile repair blogs like AH Mobile). How to Flash the Fixed ROM oppo a37m custom rom fixed
Ensure you flashed the correct GApps version (ARM64) immediately after the ROM. If it gets stuck on the logo, go back to TWRP and Format Data (the option where you type "yes"). Stuck on logo (bootloop), missing Play Store, or