Modern versions of Mi Flash are sometimes more prone to timing out on older hardware.
If you are flashing a ROM meant for a different region or a different Android version, selecting "Save user data" will almost always cause a Timeout Error or a verification failure. Mi Flash Tool Timeout Error
: Ensure you are using a high-quality data cable, ideally the one that came with the device. 2. Downgrade Mi Flash Tool Version Modern versions of Mi Flash are sometimes more
You can manually extend the timeout window via the Windows Registry or by editing the batch script. This is a pro-fix for persistent errors. Mi Flash Tool Timeout Error