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A connection with the server could not be established #10706

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When launching a React Native app in Debug mode, you need the Metro Dev Server running to serve up your app's JS bundle (i.e. what happens if you launch with run-windows). If you want to send an app package to someone else, they either need to run Metro Dev Server themselves, or you should send a Release app package so the bundle is included.

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@imuhammadarsalan
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Answer selected by jonthysell
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