RTL Web Client says "All ongoing tests have ended"

I’ve tried reserving several different device models but the RTL web client shows the message “All ongoing tests have ended” and the only option available is to close the window. I observed this behavior on both Chrome and Safari. Is there something I need to do on my end to get an actual device for testing?

Have you used RTL previously? Just to be sure you have all the requirements.
The following are prerequisites to use the Remote Test Lab (hereafter RTL) service.

  • Samsung Developers account
  • Standard web browser with JavaScript support
  • Java Runtime Environment (JRE) 7 or later, including Java Web Start
  • Internet environment with port 2600 outbound open
    Make sure to use public version if you have not purchased Oracle Java SE subscription.

read the manual,

Try it from an incognito
How many Credit do you have allocated have you used them all up? It show in the upper right hand corner.

Are you selecting a site that is some distance away. Select a nearer site the system won’t launch if the connection speed is not suitable.

Open a support request and be sure to give them the time and device you were trying to access.

Hope this helps,
Samsung Developer Relations