Use WinRAR to extract the .bin file from the downloaded .rar archive.
This will wipe all channel lists and server settings (CCCam/G-Share). Always back up your data first if possible. Download dump digiclass 730 MINI rar
Download the Upgrade Tool (usually EromUpgrade or a similar Moresat loader). Use WinRAR to extract the
Essential if you are using an RS232 loader to force-flash the device. Cons & Risks: power on the receiver
Because these are specialized files, they are rarely hosted on official manufacturer sites. You can find the .rar or .bin files on reputable satellite community forums:
Select "All Chunk" or "Dump" mode in the loader, power on the receiver, and wait for the "Test Serial Port Status" to complete before starting the transfer.