If the error persists, you may need to bypass the security layers.
If you are currently experiencing this issue and need help figuring out the next step, I can help you narrow it down. If you'd like, let me know: What is the ? sp flash tool 480
Connect your turned-off device while holding down the volume keys. If the error persists, you may need to
This guide explores what this error means, why it happens, and the step-by-step solutions to get your device back up and running. What is SP Flash Tool Error 480? If the error persists