If you cannot find a valid KingFast F10 firmware update, you can still improve performance and stability without flashing:

Resolving "bricked" states or 100% disk usage errors that can occur with older revisions. How to Find and Update KingFast F10 Firmware

: Follow the on-screen prompts. Once the update is finished, a system restart is usually required to initialize the new firmware. Pro-Tip: What if my drive is already "Write Protected"?