Trust me, I get your point. But unless your grandmother lives by B's house and can't have wifi in her house as well to view images over wifi then just use a thumb drive or card reader to store such images so that you can view what ever you don't have stored on your phone.
(you can still use photos to view your pics much more compressed without fully downloaded as well, and on a cell phone, that will be all you need. So when viewing with grandma you'll use almost no data)
Also, going back to old school ways also means going back to 16gb vs 32gb for base models, and thus limited to what you can store on your phone when using such large apps as games (no developer is going to let you store the app on your card).
And while it always seemed great to take pics with my dSLR and pull out the micro SD card with adapter and just slap it in my phone to quickly upload it to a website or text it to somebody fast. Let's also not forget how retarded it was to pull apart your case and /or phone to do so when it in the field just so you didn't have to carry a laptop. Or like with a phone like my m8, I would now have to carry a pin to open up the card tray... I'm telling you this was even worse if you wanted to do something like this on an m8 or the new m9.
Yet today, I just carry a cord and reader or thumb drive. So simple, and far less headaches.
Plus, your way, you have limited options for storage like on the note series or like on the G4. No, I'll take the new updated ways of the S6 every time. Even for the power user as many describe the note series... That's why I don't feel that Samsung is going to stay backwards on the note 5. People would rather have options or increased storage then less storage or limited functions with a card.
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