This is the story of how that's done, from bootloop panic to a smooth, de-Googled, or updated experience. The Project: Rescuing the "gta8wifi"
If you have an SMX200 gathering dust because of slow software, this verified custom ROM is a must-have. It transforms the device from a laggy terminal into a snappy, usable machine.
# On Windows (Command Prompt) certutil -hashfile ROMFILE.zip SHA256
: This is the mandatory first step for any Samsung device and will wipe all data.