Running Dev Client with Published URL


I am using Expo SDK 44 (managed), and have built a custom dev client. I have published a build to a release channel and would like to open it in my dev client without my local server running. In the dev client, I typed in the URL manually with this format:[username]/[appname]?release-channel=[channelname]
On iOS my splash screen shows and hangs and the app never loads, and on android it just seems to crash.

Is this the right way to run my app from a published build that needs to run in a dev client? I just want to be able to do some testing without having my local server up and before I deploy to the app store for TestFlight.