Screen Cast allows you to broadcast your mobile screen using a ‘Mobile Hotspot’ when you don’t have an Internet connection.
First, open the Screen Cast application, select 'Connection Type' as
Mobile Hotspot and click ‘Start Broadcasting’.
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Then configure hotspot from your mobile device settings. Note down the URL and password to connect.
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Next on your PC, turn on the Wi-Fi and select mobile hotspot. You should see your device's mobile hotspot network name in the Wi-Fi network list. Click on the hotspot created by your device and click the
Connect button.
Now, open a browser on your PC and enter the URL from your mobile device. You will see your mobile screen on the PC.