The community-driven custom firmware ecosystem for the RK3128 is particularly vibrant. Enthusiasts have developed "universal" or "all-in-one" firmware packages designed to work across dozens of device models.
To flash firmware onto an RK3128 device, you need a Windows PC, a male-to-male USB cable (or USB-C depending on the device), and specific Rockchip utilities. rockchip rk3128 firmware
Malware is rampant in unofficial Android TV boxes. Before flashing any : you need a Windows PC