Technically yes, but not recommended. Downgrading can cause EEPROM conflicts. If necessary, follow the same USB process with an older .bin file.
: Connect the satellite finder to a computer using an RS-232 to USB cable. Software Setup SatlinkTools Satlink Ws 6906 Software Update
A: Perform a factory reset, then re-enter your LNB type (Universal 9750/10600) and ensure you are on the correct satellite. The update may have reset your LNB LO settings. Technically yes, but not recommended
The screen goes black. For one terrible second, you wonder if you’ve bricked it. Then the logo appears: SATLINK. The blue light returns. You cycle through the menu. The new satellite list is there—a fresh graveyard of names: SES-5@5°E, Türksat 4A@42°E, Amos-17@17°W. The frequencies have been rewritten. The world has been remapped. Satlink Ws 6906 Software Update