Amazon.com: O'woda Micro USB to Android USB Data Cable for DJI Mini, 11.41 Inch Remote Controller OTG Data Line 90 Degree Right Angle Cord for DJI Mavic Mini/Spark/Mavic 2 Pro & Zoom/Mavic
Downgrading RC controller using OTG cable-Android users | DJI FORUM
HOW TO: Downgrade Spark firmware - Spark - DJI Drone Help Forum
DJI Spark Remote firmware update V01.00.0600 fails | DJI FORUM
OTG Micro USB Cable for DJI MAVIC PRO AIR Spark RC Controller to IOS iPhone/iPad | eBay
Amazon.com: O'woda Mini 3 Pro OTG Cable Type C to USB C Data Cable Right Angle Reverse Transmission Line for DJI Mini 3 Pro/Mini 2/ Air 2S/ Mavic Air 2/ Osmo Pocket
DJI Spark OTG Cable WORKS with iOS and other DJI Go 4.2.4 updates - YouTube