How to connect your Spark remote to your mobile device
DJI Tutorials - Spark - Linking Spark and Connecting to WiFi - YouTube
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OTG Micro USB Cable For DJI MAVIC PRO AIR Spark RC to IOS iPhone/iPad | eBay
Spark - DJI
Connecting your DJI Spark with the remote controller – heliguy™
DJI Spark Beginners Guide to the CONTROLLER - YouTube