Satellite receivers use different main processors (Chipsets). A tool designed for an chipset will not work on a GX6605 chipset. Using the wrong tool or the wrong firmware (.bin file) can permanently destroy your device (hard brick).
Your NAND has bad blocks. A like aml-flash-tool includes --skip-bad-blocks . Do not use the standard GUI tool for damaged EROM. stb erom upgrade tool download better
(e.g., Ali 3510c or Sunplus) for your particular receiver model? Stb Erom Upgrade - Google Groups Satellite receivers use different main processors (Chipsets)
It must match your receiver's processor (e.g., Ali3328, Ali3510, Ali3511, GX6605). stb erom upgrade tool download better
Uses the robust RS232 protocol to bypass corrupted system files.