1, open the phone settings, and click Desktop, Lock Screen and Wallpaper.

2. On the desktop, lock screen and wallpaper pages, click off-screen display.

3. Select and click the off-screen style to enter the settings.

4. Slide down to find the personalized signature, and click to enter the settings.

5. Enter the text and set the text size, color, etc. , and then click Apply to design your off-screen personalized signature.