IPv4 can be found at 'Settings > Network > Advance settings > IP settings'
Check/confirm the SoftCat that the device is on
Force all apps on the device to be Launchable, to enable the tool apps
Find and launch 'partner.trials.app'
Observe 'Welcome to App Trails' screen launched on device
Use remote to enter provided PIN
Observe 'CODE ***_dev accepted' message - The app is ready to accept side-loaded URL.
Observe the app catalog reduced to a few representative apps on the platform, some tool apps, and most importantly your own app (may take a few seconds)
If the catalog not auto-updating, go to ‘Se#ngs > System Management > System info > Resets & updates > Refresh apps’ to for the device to update
'Launch app with arguments'
Add "save":true argument if interested in making the dev-url “sticky” to the app tile
Observe app launched on device
Confirm the right URL via Remote Web Inspector (RWI)
To revert to production catalog, either
Enter PIN=000000 to partner.trials.app OR
AppServiced Gateway > Settings > Set SoftCat URL > Reset to Default