The OPPO mobile phone’s free translation function eliminates the need for repeated selections and freely defines the translation range. The text is successfully translated once, bringing you the joy of uninterrupted reading. Setting method: Enter the "Smart Sidebar" on your mobile phone > Click "Free Translation" > Slide the "Frame Selector" icon, adjust the frame selection range > Select the translation and translated languages. (The path to turn on the "Smart Sidebar": Go to your phone's "Settings > Featured Functions (Convenient Tools, Convenient Assistance) > Turn on the "Smart Sidebar"".) Warm reminder: ① This feature is first installed on the OPPO Find X3 Pro model. Will be adapted to more models, thank you for your attention and support. ②Free Translation only supports switching between Chinese and 8 languages ??including English, Japanese, Korean, Spanish, French, German, and Italian; Free Translation currently does not support mutual translation between foreign languages. If you need to translate between foreign languages ??and foreign languages, Please translate it into Chinese first and then translate it into other languages. We apologize for the inconvenience caused to you. ③Translation of content in the video APP is not currently supported. ④You need to connect to the Internet when translating. The operation path may be slightly different due to different models and system versions. Please refer to the actual operation interface display of the mobile phone. This answer applies to all OPPO models.