2. Open "Settings" on the phone desktop, enter the settings page, and click the "Accessibility" option. Click the "Display and Text Size" option on the accessibility page, and finally click the button behind "Reduce Transparency" to open it.
3. Adjust the definition of the projection screen to ipad in the settings. The method is as follows: there is a pinion in the upper right corner of the personal center. Open the settings. Click to adjust the video quality to high, and the resolution is 1280 times 960.