3dr telemetry radio with Samsung S4 mini

Before I try this I wondered if anyone else had tried.

I want to use my S4 mine with 3dr telemetry radios.  The S4 has no power on out the USB.  Can I hook the radio to my phone with USB micro connection while powering the radio with a battery through the D13 port. 
Can anyone see why this would damage the radio, damage my phone, or just not work?

thanks in advance

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  • I'm very disappointed with my S4 mini.  This is just another reason that I'm looking forward to my next upgrade. 

    Try and get a cheap random brand tablet from Amazon/Ebay.

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