It is completely ridiculous how broken the cellular roaming switch is with iOS and Bell. It's hard to say which part of the system bypasses the explicit roaming option. It could be Apple, it could be Bell, either way - customers are being failed here...
I went traveling for an extended amount of time and turned off data roaming to avoid Roam Better charges. The Roam Better FAQ says:"If you’ve added Roam Better but don’t want to be charged when arriving at your Roam Better destination, make sure data...
I went to Asia for a month and I turned off cellular data and also turned off Data Roaming for Bell line. When I got back, Bell had still charged me 8 roaming days. Tracked it down to tiny data use ages caused by the visual voice mail service. Visual...