Before you can flash any custom software, you must unlock your device's bootloader.

Custom ROMs (particularly GSI versions of LineageOS or iodéOS) significantly improve the "laggy" feel of the stock One UI software.

Ensure you have the latest ADB/Fastboot drivers and Samsung Odin installed. 📱 Top Verified ROMs for SMX200

: Use TWRP to "Install" the GSI image to the System Image partition.