I'm using Firmware 0700  the zoom finction using 5way button on the remote doesnot work  whae I first started I was using my Zte axon7 phone then recieved a Nexus7 tablet still no zoom.... anyone give me some advice
Thanks......C

Version 4.1.2 of DJI GO 4 (Android) fixed the zoom in and zoom out problems for me when using the 5D-button.

interesting You Downgade to 0400 .?  stupid question were did you get it.?(4.1.2)

Apparently the firmware on the Mavic and the RC were Different versions.? I don't know how this could be.? the app requested I download same version from my tablet about 1/2 hour later Sync fine now I can zoom in and out  Now I get a prompt to caliberate compass.?...OK