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Are you trying to recover a bricked device, or just looking to update the channel list on a working receiver? RS-232 Receiver Upgrade Instructions | PDF - Scribd You're looking for information on the "ALI RS232
Conclusion
Chipset Stability: For Windows 10 and 11, the PL2303TA or CH340G chip-based USB-to-serial adapters are considered the industry standard for stable connections and driver compatibility. ali rs232 upgrade tool download better