Photoshop > Help > System Info…
Password is set when Remote Connections is turned on. If you forget the password, you may go to following path and reset the password: Photoshop > Edit > Remote Connections
[Photoshop > Edit > Remote Connections] and look for IPv4 address.
If you connect to internet with same router as iPhone, then wireless card is not necessary.
You can try to check the authorization via Control Panel > System and Security > Windows Firewall > Allow an app through Windows Firewall.
The connection might be down because of the popups in Photoshop. You can try to switch the auto refresh function in Ps Play to fix the problem.
Ps Play: Home -> Settings -> Background You can set up background for all, or may set different backgrounds for every connection.
It helps you quickly preview the image in actual size on mobile screen.
You can switch to full screen preview mode.
You may capture the preview screen and save into your mobile.
It keeps your last 10 screen images for comparing different versions of design.
You can upload your pictures from you mobile device to your PC rapidly.
You may capture the preview screen and save into your mobile.
