../ firmware_FT4B_V114_YT-A_V3.3.1.9_SF_FT4B_V114_2..> 08-Jul-2024 15:48 7M firmware_FT4B_V114_YT-A_V3.3.2.1_SF_FT4B_V114_2..> 05-Aug-2024 16:29 7M firmware_FT4B_V114_YT-A_V3.3.2.2_SF_FT4B_V114_2..> 18-Sep-2024 14:46 7M