What do you need?
Here are some devices that may help you connect your Samsung Galaxy J7 Prime 2 to TV for mirroring.
Miracast Dongle Wi-fi: It's practically a key that is connected via USB to the TV. Once connected, it connects to the Wi-Fi network at home and is able to communicate the Samsung Galaxy and TV for sharing content. Of course, the Samsung Galaxy must also be connected to the same Wi-Fi network.
How to connect Samsung Galaxy J7 Prime 2 to TV with Miracast
Let's analyze the first solution proposed above, namely the one that uses Miracast technology.
To use this technology, both the Samsung Galaxy J7 Prime 2 and the TV must be connected to the same Wi-Fi network and be close to each other. After activating the mirroring on the Samsung Galaxy as indicated in the previous step you can immediately start to transmit the contents from the phone to the TV.
If your TV has already integrated a Miracast device, you will not even have to buy the Miracast Dongle key because it will automatically detect and receive the contents from the Samsung Galaxy J7 Prime 2.
From the remote control of your TV, press the "Input" or "Source" button:
From the menu that appears on the Smart TV select the 'Screen Mirroring' option.
Now on your Samsung Galaxy J7 Prime 2 you can see the devices detected and select the one related to your TV