In order to test whether there are any network issues, go to your browser and enter the following URL:
http://[IP address of tablet device]:53652/checke.g.
http://192.168.1.10:53652/checkYou should get a result with the device type and the Twixl Viewer version number like:
ipad-retina|26.0 / android10|26.0 / phone_m|26.0IMPORTANT NOTE:
If a soft- or hardware firewall is active on your network, and you seem to be unable to send a preview to a device, make sure to ask the network administrator to open TCP ports 53652 & 53653.