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Android Auto
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- 1Turning an old phone into a dedicated Android Auto device●I turned an old phone into a permanent Android Auto device, and my main phone never connects to the car anymore
A writer at XDA describes converting a spare Android phone into a permanently mounted Android Auto unit in their car, leaving it always connected to the head unit. The main phone no longer needs to plug in, avoiding wear on cables and batteries and keeping the driving setup always ready. It is a practical DIY workaround for drivers whose cars lack built-in Android Auto or who want to keep their primary phone free.