You cannot simply plug the phone in; you need to put it into a specific diagnostic mode.
Unlocking the bootloader on the Huawei P30 Pro is no longer a simple ADB command away. The "full" process has moved from a free developer feature to a complex, paid, and often risky endeavor. unlock bootloader huawei p30 pro full
Tap 7 times until you see "You are now a developer." Go to Settings > System & Updates > Developer Options . Enable USB Debugging and OEM Unlocking (if available). Step 4: Obtaining an Unlock Code (The Hard Part) You cannot simply plug the phone in; you