Popular satellite forums like Satellites.co.uk or Amsat-DL often have users sharing their own "Dump.rar" files.
Select (to flash the full dump) or User DB (to just update satellite lists). Download FINDER GTMEDIA Dump rar
If you are performing a recovery/forced upgrade, rename the extracted file exactly to flash.bin . Popular satellite forums like Satellites
Ensure the dump file matches your hardware version. Using a V8 Finder 2 dump on a V8 Finder Pro can permanently damage the device. Download FINDER GTMEDIA Dump rar
If power is interrupted during the 40–60 second flash process, the device may become unrecoverable. GTMedia V8 Finder USB Upgrade Guide | PDF - Scribd