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Download the specific .bin or update file for your exact model from community portals like SAT4DvB , place it on a formatted USB drive, and use the USB Update option in the settings.
Extract the downloaded .zip or .rar archive. Move only the .bin file to the root directory of the USB drive. Insert the USB drive into the receiver. Go to > Expansion > USB Menu . Select the firmware file and press OK . samsat ss-ott 77 4k software