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Before moving to advanced technical tools, try these steps to see if the device is simply stuck in a loop:
: If the device vibrates, hold Power + Volume Down to see if it enters ColorOS Recovery . Phase 2: Technical Repair (Hard Brick Fix)
: The cable was disconnected or the PC shut down during the flash.
: A "dead" phone might just be completely drained. Plug it into an official charger for at least 30 minutes.
: Occasionally, the stress of flashing can expose a failing internal storage chip (EMMC), especially on older units. Phase 1: Basic Recovery Attempts
If the screen remains black and the phone only shows up in your PC's Device Manager as , you must perform a "Dead Boot Repair". Required Tools