(1) coloros11and above: enter "Settings >; (about this machine) > storage space > cleaning ",including photo cleaning, video cleaning, application uninstallation, application slimming, document cleaning, cloud migration and other operations, is simple and quick.
(2)ColorOS 7 and above systems: "mobile phone manager" APP > clean storage "can be used for photo cleaning, video cleaning, application uninstallation, application slimming, document cleaning, cloud migration and other operations, which is simple and quick.
(3)ColorOS 7 and above systems: go to "file management" APP > clear storage/space > one-click cleaning (safe cleaning) to clear file data.
Tips:
If the above methods can't solve your problem, please back up your mobile phone information and bring your mobile phone, invoice and warranty card to the local OPPO customer service center for testing.
Due to different models and system versions, the operation path may be slightly different, please refer to the actual operation interface display of the mobile phone.
This answer applies to all OPPO models.