1. Uninstall some unused applications.

2. It is recommended to use a microSD card (it is recommended to use a high-speed microSD card from a big factory) to move personal files in the mobile phone to an SD card for storage.

Remarks: Glory Play 4C supports the maximum expansion of 32GB.

3. According to whether the system is upgraded or not, the mobile phone housekeeper cclean operates as follows:

EMUI 3.0 platform: mobile phone housekeeper > cleaning optimization (or accelerating optimization) > cleaning space, and cleaning according to the screen prompts.

EMUI 4.0 and above platforms: mobile housekeeper > cleaning acceleration. After scanning, click one button to clean up, or select the content to clean up according to actual needs.