You can set up automatic cleaning by using the mobile phone housekeeper that comes with Huawei Mate9 mobile phone to clean up the garbage.

The operation is as follows:

1. First, open the "Mobile Manager" application that comes with your mobile phone.

2. Click the "Cleaning Acceleration" icon after entering. You can also selectively clean up WeChat spam and large files.

3. Then click the gear setting icon in the upper right corner to enter the setting interface and turn on the "automatic cleaning" switch to automatically clean up useless garbage.