As per your concern, we would request you to kindly perform the following steps to resolve your issue.
Settings> Advanced features> S Pen> Air actions> More> Reset S Pen.
In case the issue still occurs, please visit the service center for a physical inspection of your device. You can locate your nearest service center with this given link: https://www.samsung.com/in/support/service-center/
Yes facing the same issue after software update to latest... kindly help me if u find the solution regarding s pen air action not working and always show disconnected
