On Sun, May 14, 2017 at 6:56 PM, Dave Horsfall wrote:

I don't know about American mobile phones, but here down-under I have the choice of the phone's memory or the SIM card on my ancient Android phone.

For "contact" lists, yes, and there is also question of if one refers to that, explicitly, or to storing of "missed" "received" "dialed" calls on the phone or SIM. Same for SMS / MMS messages. Writers should be much more clear when specifying example cases.