Put your phone into (Volume Down + Power) and connect it to your PC.
This happens if the partition layout on the phone differs from the ROM file. Set the drop-down menu in SP Flash Tool to Firmware Upgrade instead of Download Only . how to unbrick poco m5s
Before attempting complex firmware flashes, try these non-invasive methods to resolve bootloops or stuck screens. How To Unbrick Xiaomi Mobile Phones -English- Put your phone into (Volume Down + Power)
If your device is stuck on a frozen screen, a simple hard reset might clear the corrupted temporary data causing the loop. how to unbrick poco m5s
Click the button (green arrow icon) at the top of SP Flash Tool.