On CrystalSky with or with out Cendence but definitely with one thing that makes a difference to me is keep the antennas away from the back of the CS, the device bracket is a little closer to the back of the RC on Cendence and this means it’s easy for the sticks to be up against the back of the device and pick up interference, that is exactly where the Wi-fi antennas are too so you need a little more separation.
What does work is rotate the antennas pointing down and not up against the back of the device, as long as they are in the vertical polarisation it’s makes no difference if they are up or down.
I took this today to specifically show it
But this is for the radio interference, if your getting magnetic error then I would carefully calibrate your compass.
On the GPS did you have it actually turned on in the settings as it defaults to off, this is CrystalSky settings not DJI Go.
I have put 5 or so hours through my
I2 and CS this last 3 days and other than a bad SD card error a few times with one specific card (the one that came with it too ) not a single other issue even on the latest firmware for both, I did not test quick spin my self though tbh but will try tomorrow.
I would suggest making sure your on latest CS firmware then fully resetting It after any update as that clears a lot of issues tbh, and refresh your
I2 firmware in Assistant 2, it’s crazy mine has really not put a foot wrong on the latest release, Both CS devices and everything else has just worked, it’s definitely a little jumpy on landing compared to the last firmware and tries to lift for some reason before it shuts down but that’s about it.