How to set the reading, writing and storage permissions of the mobile phone?

Huawei's mobile phone storage authority opening method is as follows:

Operating environment: Huawei Mate40, HarmonyOS3 system, etc.

1. First, you need to find the settings in your phone, and then click in.

2. After entering the setting interface of the mobile phone, you need to find the option of authorization management, and click it.

3. Next, in the page that opens, click the application rights management menu.

4. Next, in the page that opens, click the rights management menu, and in the menu setting page, click the read-write mobile phone storage setting item.

5. Finally, in the application list, you can see the applications that have not obtained the storage and reading rights of the mobile phone. Click the permission setting button, and then click the Allow button in the pop-up dialog box.