First, after opening Hua 'an mobile phone and entering the system, click the icon of mobile phone housekeeper to enter.
After entering the home page of mobile phone housekeeper, click the cleaning acceleration icon.
After that, in the cleaning acceleration interface, select the things left to clean.
Remember to open the check box and check the residue to be cleaned on the left.
After checking, click the delete option below.
Click Delete, and then click Delete again in the pop-up window to finish the deletion.