I wouldn't say that customers are exclusively device-loyal and network-agnostic. The convenience of using the same device can be outweighed by frustration over

I wouldn't say that customers are exclusively device-loyal and network-agnostic. The convenience of using the same device can be outweighed by frustration over the network's coverage, downtime, etc. Everyone has different breaking points, but I guarantee that if you couldn't get reliable service where you spend most of your time, you'd strongly consider a different device!