Operation method: Take Huawei's mobile phone as an example. Open p40Pro, which can be operated by common social software of third parties. Open the software to find the scanning function, then scan the QR code to display information, or open the negative screen of the mobile phone, then find the scanning function, and then aim at the QR code scanning.

Mobile phone use skills: 1, Huawei p40Pro can remotely operate the mobile phone, turn on the mobile phone, select the home page setting button, click the auxiliary function, remotely select quick start and gesture-gesture, and remotely turn on the slide switch.

2. Huawei p40Pro supports dual-view video, turn on the phone, click the camera button, click more options, click time-lapse photography, and then shoot.

3. Huawei p40Pro can search for photos, open the phone, click the photo album icon, and click the search button. You can search for photos according to time, place and other information.

4. Huawei p40Pro has shorthand function, which can be used by turning on the phone and entering the tape recorder page.

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