Stb Erom Upgrade V2.1.0l Here

If upgrade fails or device won’t boot:

Download:

Check your RS232 cable connection or ensure you toggled the power switch clicking Next. "Set-top box is damaged": Stb Erom Upgrade V2.1.0l

That would help determine if it's a legit hobbyist project or something to avoid. If upgrade fails or device won’t boot: Download: