Migrating an old WMS RF application is not a matter of resizing pages for a phone. The RF client is a warehouse execution endpoint that directly changes inventory, task, and device state. It must handle identity, warehouse isolation, concurrent task claims, uncertain networks, and physical hardware. …

A warehouse RF device repeatedly stopped halfway through a batch of package labels. The same printer behaved normally from a desktop computer, which initially made the template, printer buffer, and Android implementation all look suspicious.

The useful evidence came from three places: application …