My LG Rebel 2 LTE (model L57BL) seems to run DJI GO 4 MOD with the OTG cable just fine. The phone was purchased solely to serve as a dedicated display for my Spark so it is not activated for cellular service and I have Bluetooth and WiFi turned off. Hopefully, the reduction in unused RF...
The Spark is my first drone. A friend let me fly his Spark last week and I was hopelessly hooked. I have made a few flights with my Spark and can see that I have a lot to learn. This looks like a good place to learn.