2. version colors11.0-1.2: go to "camera" app > "-"slide down > photo frame "and select the required frame rate.
2. version 7.0-7.2 of coloros: go to the camera app > photos > _ > photo frame in the upper right corner and select the required frame rate.
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.