What should I do if the memory of oppo mobile phone is insufficient?

You can deeply clean the phone memory in the phone settings.

Take oppo r9 mobile phone as an example, the specific steps are as follows:

1. First, turn on the setting function on the mobile phone.

2. After opening the settings page, select and click the "Other Settings" option.

3. After entering other settings pages, select the "storage space" option, as shown in the figure below.

4. After entering the storage space page, select and click the "File Cleaning" option, as shown below.

5. After cleaning, you can click the "Deep Cleaning" function option on the upper right.

6. After entering the in-depth cleaning page, you can click on the pictures, videos and files to be cleaned.