This story was originally published and last updated .
Modern smartphones can feel like technological black boxes. The mobile operating systems that power them have become incredibly complex, with often hundreds or possible even thousands of various functions that can trigger things like your GPS, cellular modem, or Bluetooth radio. Even when you tell your phone to turn off certain things, like Wi-Fi, our phones don't always do as they're told. But it doesn't have to be that way, provided you're willing to dive very, very deep into the Linux end of the smartphone pool. The PinePhone is one of the few mobile devices with hardware kill switches for common features, giving you full control over your smartphone.
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