Always save your current channel list and softcam keys to your USB before updating. You can do this via Menu -> USB -> Backup .
You can update your device using two primary methods found in the Starsat 7300 USB User Manual : Derniere Mise A Jour Gratuit Starsat Sr 7300 Usb Hdmi
Starsat SR-7300 USB HDMI is a legacy satellite receiver that supports standard definition (SD) and high definition (HDMI) output via its USB and HDMI ports. While official support for older models often transitions to community-driven updates, you can still find the necessary firmware and tools to keep your device functional. Update Overview: Starsat SR-7300 USB HDMI Always save your current channel list and softcam