Look into satellite receiver forum sites (e.g., Sat-Universe, Digital-Kaos) that specifically handle TNT/TNTsat firmware updates. If you can, please clarify:
Ensure "THRESTAR TS 300 TNT" is correct (e.g., could it be a misprint for a different satellite receiver brand like StarSat or TrueStar ?). Download THRESTAR TS 300 TNT rar
What does "TNT" refer to in this context? Look into satellite receiver forum sites (e