I searched the forum and could not find an answer to these 2 questions:
1.  How do I find out the current version number of the firmware on my P3A?
2.  How do I return to an earlier version to see if that will help with my FPV being a bit jumpy on my iPad?
Thanks in advance,

With the drone on, and controller connected to mobile device, go to "general settings"  Firmware should be at the top

If you're experiencing problems with video downlink you only need to downgrade the controller firmware.   Leave drone off, connect controller and device.  Tap and hold the menu button at the top right (need to hold several seconds).  A different menu will pop up asking which version you want to install.  1.6.0 works best apparently