First off, I don\'t know react, but I figured deploying to an iOS device instead of the simulator wouldn\'t be too difficult to do with the docs. They were a bit sparse but
This is a lot later, but I was still experiencing this same issue. I tried to follow the restart everything path but it didn't fix it. What ended up fixing this for me was making sure my app.json 'name' field (used the same value in the 'displayName' field) matched the 'moduleName' field in my RCTRootView. matched those up and everything was groovy. Hope this helps someone out there.