Screen casting – TV is not connected to the internet, how can a mobile phone screen cast?

Two methods: wired projection and wireless projection.

There are three types of wired screen projection: microusb, Type-C, and lighting. The HDMI or VGA interface of the TV is required, among which the HDMI interface needs to have MHL function. Depending on the phone, it is often necessary to purchase not only transmission cables, but also external products such as adapters and docking stations to perform screen mirroring. This wired connection method is generally used for screen mirroring in playing timely competitive games. For example, “King of Glory”, “Stimulus Battlefield”, and so on.

Wireless screen projection

The Bijie wireless screen projection device comes with an AP, which supports wireless screen projection on mobile phones without a network.

Android phones first connect to the WIFI of the wireless projection box, and then turn on the multi screen interaction of the phone [Wireless Projection], so that the phone screen can be wirelessly projected onto the TV. However, in this case, you can only project local audio, video, images, documents, and other resources from your phone onto the TV, and your phone cannot access the internet.

The Apple phone first connects to the WIFI of the wireless projection box, and then opens the Airplay screen mirroring on the phone, so that the phone screen mirroring can be projected onto the TV. Apple phones support mirroring and screen mirroring while connecting to WIFI, allowing for simultaneous screen mirroring and access to 4G networks without network restrictions.

Knowledge Expansion: Computers can actually project TV screens without a network, but devices such as computers and laptops can only perform point-to-point projection through wireless USB small electronic projection devices. Computers can project screens while connecting to other devices’ WIFI signals, such as mobile hotspot, to access the internet and project screens simultaneously.