My apologies for this question. Yes OTG is one feature (Android) that is a must Would i just un-install 18 and revert back to 15 to get the OTG back up and running. I received my spark today and did the update from the picture attached am I ok to revert back to 15 even if the Aircraft fw is at 01.00.0900 and the firmwares thats from my Spark ? Thanks in advance
