First find MiraCast on your TV and turn it on.
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Then enter the interface, open the phone;
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Open Settings, click on other wireless connections;
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Then click on Wireless display and open the button on the right;
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Then the phone starts to search for devices, you can see our available devices, find the name of the TV device, click on the name of the device, start the connection, the connection is successful you can pull
1. Connect oppo mobile phone and TV to the same wifi network;
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2. Enter oppo phone Settings - Other wireless connections - open multi-screen interaction;
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3. Select the corresponding TV name from the screen projection device list to complete the screen projection.