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How do I connect Android devices to a WiFi AP and mobile data network simultaneously?
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Data connection while in Israel
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Detect whether there is an Internet connection available on Android
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Android: How to Enable/Disable Wifi or Internet Connection Programmatically
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Internet and email access without a server
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Determine in php script if connected to internet?
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Connecting to wifi network through command line
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How to run a script, depending on internet connection
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How to turn off Wifi via ADB?
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Make Windows 7 ignore WiFi when ethernet is available
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Automatically reboot Windows if no internet connectivity
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Choose one of many Internet connections for an application
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Check if Internet Connection Exists with jQuery?
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How can I install software or packages without Internet (offline)?
119554
How to make an unrooted phone use or detect ad-hoc Wi-Fi?
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Wireless connected but no internet access