: Connect the STB to the PC via the RS232 cable while the STB is powered OFF .
All production and field‑return STBs currently on EROM V204 or V208 to prevent partition corruption and improve secure boot robustness. After upgrade, perform a one‑time full factory reset to re‑initialize environment variables. stb erom upgrade v210 updated
: Never disconnect the cable or power during the "Burning Flash" stage, as this can permanently damage the SPI flash memory. : Connect the STB to the PC via
Back up your current EROM first using dd if=/dev/block/erom of=/sdcard/erom_v200.bin . v210 won’t touch your user data, but paranoia pays. but paranoia pays.