What to do if green lines appear on the phone screen after a system update?

If green lines appear on the phone screen after a system update, please refer to the following details:
1. Ensure the screen is intact and check for any visible damage;
2. Please restart your phone to see if the problem persists;
3. Please boot your phone into Safe mode to rule out third-party apps that can be causing issues. You can turn off the phone first, then press and hold the power button until the phone vibrates. Release the power button and then press the volume down button to enter Safe mode;
4. Restore factory settings after backing up your data;
5. If the problem still persists, please contact the local after-sales service center for further assistance.