- Tram Ho
Due to difficulties in ordering and shipping laptops, many parents are forced to let their children use smartphones to learn ‘fireproof’ online. Worth mentioning, among these, there are many parents who are concerned that their students may have vision loss when learning online, because the screens of these devices are too small. To overcome this situation, below are solutions to help connect smartphones / tablets to large TV screens, making online learning more convenient.
How to cast smartphone screen to SmartTV / InternetTV
As long as the TV has an Internet connection function, iOS and Android users can easily project content (screen mirroring) on smartphones to the TV screen.
Specifically, for Android users alone, most smartphone models released in the past few years have the feature of transmitting images to TVs via the Miracast protocol. This is one of the most popular wireless connection standards, with the advantages of fast connection, easy operation, transmission of high image and sound quality.
It should be noted that, depending on each smartphone brand, this feature may have different names , such as Smart View, Screen Mirroring, Screen Casting, Project My Screen, Screen Cast, Image Mirroring, Projection monitor, T-Cast, Wireless display…etc
How to cast smartphone screen to TV on Android OS
To use Miracast, users connect both TV and smartphone to the same Wifi network. Then you activate Miracast by dragging down from the top of the screen to show quick settings from the notification bar of your phone, select the corresponding connection function. After enabling Miracast, the phone will detect TVs that are connected to the same Wifi network. After successfully connecting to the device in the list, the content from the smartphone screen will be immediately displayed on the TV screen.
For iOS users, iPad and iPhone models released in recent years all use Apple’s proprietary protocol standard, AirPlay, which helps transmit audio and video signals to end devices via WiFi or Ethernet plug wire.
At the present time, most smartTV models support the Airplay standard. Some smartTV models released in the past few years from LG, Samsung, and Sony have also supported the newer standard Airplay 2. To use this connection standard, users just need to turn on the “Screen Mirroring” feature. screen projection) helps transmit images, videos, audio from iPhone – iPad to the TV screen.
How to cast smartphone screen to TV on iOS OS
Like Android devices, users first need to make sure iPhone / iPad are connected to the same WiFi network with the TV. Then, open “Control Center” on iPhone/iPad, select “Screen Mirroring”. Finally, click on the name of the smartTV you want to connect to, which has just appeared in the list.
How to cast a smartphone screen to a TV that does not support an Internet connection?
With TV models that do not support Internet access, users can use connection cables such as MHL if they want to stream content from the smartphone screen.
Specifically, for Android users, the MHL cable will have one end plugged into the HDMI (MHL) port on the TV, one end into the charging port on the phone, and one end into the USB port on the TV. Depending on the device’s charging port standard (micro USB, USB Type-C .vv), users will have to buy an MHL cable that supports the corresponding charging port standard, or buy a USB Type C to HDMI adapter. Similarly, iPhone – iPad users will have to find MHL cables that support the Lighting port, or a Lightning to HDMI adapter.
The MHL cable will plug into the HDMI (MHL) port on the TV, helping to transfer images from the smartphone to the TV (illustration).
The selling price of these MHL cables ranges from 100-200 thousand VND, depending on the quality, brand, cable length and features, widely sold on e-commerce platforms or large mobile stores. .
After connecting the MHL cable between the smartphone and the TV, the user presses the Source, Input button or the icon with an arrow….etc on the remote control to select the data input for the TV corresponding to the HDMI (MHL) port. ) connected). At this point, the content from the smartphone will appear on your TV screen.
It should be noted, not all smartphone models support the connection feature via MHL wire. To check if your smartphone supports MHL, users can use the website http://www.mhltech.org/devices.aspx?tid=1 to search and look up.
In case your smartphone does not support connection via MHL cable, users will have to buy streaming devices such as Google Chrome Cast, Amazon FireStick, Roku, Apple TV or Xiaomi Mi Box .vv to project the screen on the TV. (no Wifi connection)
Streaming devices such as Google Chrome Cast, Amazon FireStick, Roku, Apple TV will help transmit the smartphone’s screen image to a TV without an Internet connection.
After connecting these devices to the HDMI port on the TV, users can transfer images from the smartphone to the TV if both devices use the same WiFi network. Specifically, for Android users, the way to cast screen on these devices is similar to how to cast screen to SmartTV / InternetTV mentioned at the beginning of the article.
In addition, users can download and install the Google Home app to use the screen mirroring feature. Meanwhile, for iPhone / Ipad users, you need to make sure your streaming devices support the AirPlay standard (eg genuine devices like Apple TV, or third-party devices like Roku Premier etc) if you want to use it. Use “Screen Mirroring” in “Control Center”.
Source : Genk