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- SR-4050HD EXTREME V200 22092026BIOS · 6.94 MB · 1 Oct 2026BIOS bin—6.94 MB
- SR-4050HD EXTREME V201 24092026BIOS · 6.94 MB · 1 Oct 2026BIOS bin—6.94 MB
- SR-4050HD EXTREME V199 11092026BIOS · 6.94 MB · 1 Oct 2026BIOS bin—6.94 MB
- SR 4050HD EXTREME V131 14092020BIOS · 6.93 MB · 29 Apr 2025BIOS bin—6.93 MB
- SR 4050HD EXTREME V133 16122020BIOS · 6.93 MB · 29 Apr 2025BIOS bin—6.93 MB
- SR 4050HD EXTREME V129 08092020BIOS · 6.93 MB · 29 Apr 2025BIOS bin—6.93 MB
- SR-4050HD EXTREME V112 10092019
SR-4050HD Extreme receiver firmware, version V112, dated 10 September 2019, in a 4.64 MB zip archive.
BIOS · 4.64 MB · 16 Dec 2020BIOS zip—4.64 MB