The memory of the mobile phone is not enough, so you can use cloud hosting storage. The method is as follows:

Tools: Huawei mate40pro, HarmonyOS OS3.0, mobile phone settings.

1, open the settings first.

2. Click on Huawei account.

3. Click Cloud Hosting.

4. Select Manage Cloud Storage Space.

5. Turn on the type switch of data to be stored.