Joke Collection Website - Public benefit messages - How many unread messages can HarmonyOS store?

How many unread messages can HarmonyOS store?

2,000.

HarmonyOS system icon setting custom mode method.

Open the theme app, click My, click the DIY function of mashup, click the icon, select the theme to use, click View Theme Preview, click Customize in the lower right corner, and find the application that needs to modify the icon. You can select an image provided by the system, or click the local gallery to use your own saved image as an icon. After selecting the image, you can cut the image size and click OK in the upper right corner.