Just had a weird issue happen. The pen tip wouldn't write or detect on the screen. The eraser side still did though and the button click still worked.
Restarted, re-paired and still nothing. Opened the pen and reseated the AAAA battery and then the writing tip was detected again.
Restarted, re-paired and still nothing. Opened the pen and reseated the AAAA battery and then the writing tip was detected again.