| Error Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | | Drivers not installed or eMMC is read-only. | Install Rockusb Driver ; short the eMMC CLK pin to ground (pin-to-pin method) to force mask ROM mode. | | Stuck on Logo | Kernel/Bootloader mismatch. | The firmware is for a different revision. Try a different base firmware source. | | "Verify Failed" in Tool | package-file integrity check failed. | Ensure file names in the folder match exactly what is listed in package-file . | | Wifi/Mac Address Lost | vendor or data partition wiped. | Never flash a vendor.img from a different box. It contains specific WiFi/BT calibration data. |