FrSky TANDEM X20S Quick Disassembly Tips to Avoid Antenna or Grip Problems How to Open Radio Safely 

FrSky TANDEM X20S Quick Disassembly Tips to Avoid Antenna or Grip Problems and How to Open Radio Safely
Opening the X20 and X20S systems can potentially lead to damage of the antennas if you aren't careful.
Also, if you remove the rubber grips, they can be a real pain to get back on.
Here I will show the easiest way to open the X20 and X20S systems to avoid potential damage or frustration.
Just remember to use an easy twisting motion and not to yank the back shell away from the front.