Zetronix KOIOS PRO User Manual page 17

GETTING STARTED
The live video screen shows up black and a searching circle spins in
center but nothing ever displays.
If camera's Wi-Fi speed is slow, please wait 10-30 seconds for live video
appear; Select top right 480p resolution to check for lower stream rate.
Live video jitters or unclear.
The Wi-Fi data rate may not be fast enough for live video stream. Try
changing the resolution to 480p or a different network.
Camera keeps disconnecting from Wi-Fi.
Make sure camera inside the range of good Wi-Fi signal;
Forgot the camera's password.
Turn on camera and wait 1 minute, press and hold the reset switch ③
for 10 seconds. The password will reset to "888888". The camera will
restart in about 1 minute.
The App is similar but not exactly the same as in the manual.
The App is frequently updated with better interface and function.