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- EUROSTAR CV638H-B 4K CtvUpgradeBIOS · 634 MB · 11 Jun 2022BIOS bin—634 MB
- CV638H.B50 4k 3840x2160 SANYO USBBIOS · 173 MB · 16 Sept 2019BIOS rar—173 MB
- CV638H-B-NOBEL-4K-4GB-FIRMWARE
Firmware for a CV638H-B Android TV main board, marked as a Nobel brand build for a 4K panel with 4 GB of storage.
BIOS · 378 MB · 4 Nov 2026BIOS rar—378 MB - CV638H-B-T55UHDS T1611-201-EUS
Software for a CV638H-B universal TV main board, tagged with T55UHDS, the build string T1611-201 and the suffix EUS.
BIOS · 373 MB · 4 Nov 2026BIOS rar—373 MB