In Windows, run msinfo32 again. Look for "BIOS Version/Date." It should match the new version you installed.
Updating BIOS (or "flashing") is a critical process. If power is lost during the update, it can "brick" your laptop, making it unusable. toshiba satellite c50-a bios update
Intel issued microcode updates for several generations of CPUs. A late-stage BIOS update for the C50-A might include patch levels for the Spectre and Meltdown exploits. In Windows, run msinfo32 again
: Fixes known bugs that cause blue screens or random freezes. Hardware Compatibility : Adds support for newer RAM modules or SSDs. it can "brick" your laptop