1. Earlier version on the large screen: Enable Multi-screen
Interaction or Multi-Device Collaboration.
HarmonyOS 4.0 on the large screen: Enable Multi-screen
Interaction.
(To enable multi-device collaboration, tap Settings in the lower
right corner of the large screen's home screen, choose Smart
Functions, and enable Multi-Device Collaboration.)
2. Enable Wi-Fi on the large screen, and turn on Wi-Fi and
Bluetooth on your phone.
To enable Wi-Fi on a large screen, tap Settings in the lower
right corner of the large screen's home screen, choose
Advanced > Network Connection > Wi-Fi, and enable Wi-Fi.
3. Swipe down from the status bar to open the notification panel
(you can continue to swipe down) and turn on NFC. Place the
NFC sensor area (camera area on the back) close to the NFC
sensor area.
4. After successful sensing, follow instructions on the large screen
to determine whether to trust the device to enable projection.
NFC OneHop projection
Screen Projection
Place your NFC-enabled phone close to the NFC sensor
area of the large screen. After success connection, you can
project your phone screen to the large screen.
Method
Note
• Upon the first use of NFC OneHop projection on your
device, obtain authorization from the large screen.
• When your phone functions as a hotspot to provide
network access for the large screen, NFC OneHop
projection is unavailable on the phone.
• Required operating systems: EMUI 11.0.0.150 or later,
HarmonyOS 2.0 or later.
• The multi-device collaboration function applies only to
HarmonyOS 2.0 and later versions.
• This function applies only to endpoints that support the
Wi-Fi function.
• The position of the NFC tag (in the lower left corner or
lower right corner of the endpoint) may vary, but
functions are the same.
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