The specific method for updating your device depends entirely on the hardware. It's not a single process.
Re-install the SPD USB Drivers and try a different USB port (preferably a rear USB 2.0 port on your PC). The downloaded firmware file is corrupt or incomplete. ums5121h10natv firmware update link
⚠️ Never power off the device while the update bar is moving. The specific method for updating your device depends
Warning: Avoid downloading files from third-party file-sharing blogs or unverified cloud storage folders. Flash files from unofficial sources may contain malware or incorrect partition tables that can permanently disable your hardware. Pre-Update Checklist ums5121h10natv firmware update link