: Improper settings in the Amlogic USB Burning Tool, such as an incorrect "Erase Mode," can leave conflicting partition data on the device. Troubleshooting & Fixes

Error -5 indicates I/O timeout. The eMMC had developed weak blocks in the dtb partition area.

on the back of the PC rather than front-panel ports or hubs. Use a shorter, high-quality USB male-to-male cable. Verify Firmware Compatibility: