If you are using a vivo phone, you can refer to the following methods:
If you mean to cast the screen to the TV, you need to connect your phone to the same WLAN with the big screen device when using the casting screen, and then go to the cell phone settings - other networks and connections - casting the screen, and then in the list of available devices, select the device that you need to cast the screen, and then you can cast the screen.
Additionally, you can purchase an adapter cable to connect the Type-C charging port to the HDMI and DP ports of the big screen device for casting.
Note: Only models that support USB 3.1, currently support USB 3.2 Gen1 (USB 3.0) are: X90 Pro, X90 Pro+, X Fold+, X80 Pro Snapdragon Edition, X80 Pro Tenguiz Edition, X Fold, X Note, vivo Pad, X70 Pro+;
Other models
All other models have USB 2.0 cable interfaces.
Note: USB 3.2 Gen1=USB 3.1 Gen1=USB 3.0=USB 5Gbps.
The USB 3.0 transfer protocol requires that the data interface, USB flash drive, or cable is supported in order to be usable; the machines all come standard with USB 2.0 cables.
The second "screen mirroring" can be done with the help of the Miracast function that comes with the TV to put the screen on the TV.
How to use:
1, make sure that the TV and cell phone are connected to the same WiFi;
2, OriginOS system: go to Settings - Other Networks and Connections - Screen casting/Mobile phone casting, and then search for Miracast devices for screen mirroring casting;
Funtouch OS/iQOO UI System: Go to Settings - (Other Networks and Connections) - Smart Screen Casting/Phone Screen Casting - turn on the switch - search for available devices for screen mirroring casting.
3, whether the TV supports Miracast, you need to check the TV manual or consult the TV manufacturer, the TV screen casting function has more names, such as: multi-screen interaction, mirroring, Miracast and so on. TV support Miracst case, you need to turn on this function in advance on the TV side, the phone can search for the corresponding device;
4, screen mirroring, in the vivo old model is also called multi-screen interaction, the path to enter: Settings ?ú Multi-screen Interactive;
The operation of the above steps are doubtful or would like to learn more about the way of casting the screen TV, you can go to the official website of the vivo-- My - online customer service - enter manual, consult the online customer service feedback.