They are able to get service there? What kind of plan do they have?
They’re using wi-fi
They’re in Heaven, you always get bars in Heaven.
Of course, none of them are taking selfies. In fact they’re ignoring Saint Peter entirely.
And per the bars comment: They’re not quite in Heaven yet.
I think they’re in The Cloud.
Oddly enough, there are bars in Heaven, but there is no beer.
Being permanently tied to a phone? Looks more like Hell.
Cloud computing?
Who are they on the phone with? They cannot contact the world of the living and they haven’t made any friends in the afterlife yet, because they are not yet processed into the afterlife.
Comics I Don't Understand 
They are able to get service there? What kind of plan do they have?
They’re using wi-fi
They’re in Heaven, you always get bars in Heaven.
Of course, none of them are taking selfies. In fact they’re ignoring Saint Peter entirely.
And per the bars comment: They’re not quite in Heaven yet.
I think they’re in The Cloud.
Oddly enough, there are bars in Heaven, but there is no beer.
Being permanently tied to a phone? Looks more like Hell.
Cloud computing?
Who are they on the phone with? They cannot contact the world of the living and they haven’t made any friends in the afterlife yet, because they are not yet processed into the afterlife.
Perhaps they’re airdropping each other.