Sm-x200 Custom Rom: [best]

due to the tablet's Unisoc Tiger T618 chipset, which lacks the extensive third-party developer support seen in Qualcomm-based devices. While there are very few "device-specific" ROMs like LineageOS built specifically for the SM-X200, it is Project Treble compliant

: Use SamFW to download the original stock firmware for your region in case of a brick.