How to unlock Huawei P20 Pro if forgot password or pattern lock
Step 1: Press the power button and volume up button at same time until screen wake up
Step 2: Now release power key but press & hold the volume up button for 10-12 seconds
Here you can see three options including reboot system now, wipe data/factory reset and wipe cache partition.
Step 3: Press volume down to move Wipe data/factory reset
Step 4: Press power button to select
You can see message on screen: Confirm wipe for all user data?
Step 5: Press volume down button to move Wipe data/factory reset
Step 6: Press power button to select
Verification required screen view in your phone. If you are using Google account, you’ll need to login with your Google account to access your device after hard reset Huawei P20 Pro and P20 Oreo 8.1.
Step 7: Press volume down button to move Wipe data/factory reset
Step 8: Press power button to select
Step 9: Wait until finish process
Step 10: Press volume up button to move Reboot system now
Step 11: Press power button to select
Now wait for restart your Huawei P20 Pro and P20 device. You can see all screen lock is removed from your device.