To view how the added / edited content will be displayed in the application, it has to be published in the CMS first. Go to Application → Preview & Publish:
On the page, press Publish Application and wait for 2-5 minutes to see the updates on the screen of your device.
It involves automatic rebooting of all connected in-room devices. That is why this method should be considered as the Emergency content publishing.
Now you finally can get an option not to wait for 10 minutes until the updates are pushed on the screens.
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⚙ Go to Admin Panel → Application section → Preview & Publish → open a drop-down list on a Publish Application button → press Forced Publish Application button
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In the emulator of a mobile device, clicking Preview Application, you can see how the content you have placed looks and functions on a smartphone (“Mobile” tab) or on a tablet (“HotPad” tab).