Have you tried uninstalling and reinstalling the Moza Genie?
Is your bluetooth turned on?
You have to go in your phone's Bluetooth menu and connect to the Mini MX 2. Then open the Moza Genie app and connect the app to the gimbal as well in the Moza Genie menu,
Ramdinsanga- I do not remember having to put in a code on my Moza Genie app when pairing my iPhone with my Mini MX2. What phone are you using?
Sushant Sharma- What do you mean by OTP?