Well, that only happened to one device you had. So it could've been defected or something.
Maybe, but really it was more than one.
The factory card really doesn't cut it. Yes it works.....but the user experience
is bad. You can feel it when going through picture gallery, deleting etc.
Its slow and you can feel the bottle neck.
So knowing this(I'm a photographer) and how cards work etc, I went to Best Buy and bought the best card they had, a PNY 16G Class 10
Yes, the speed was better. But about a month in, I tried to access a PDF and got an error message card unavailable, needed to be formatted for use.
That card never worked again.
On one of the other Android phones I tried to replace the fascinate with, also I noticed the card just wasn't up to snuff.
I never bought another card for it, due to other non related issues, I was returning it anyway because I didn't like it, too many other issues.
Point being, the Micro card is NOT ideal due to size, but rather a necessary evil for expandable storage wanted buy users. All 16gb storage is NOT created equal.
And Micro cards, while great for size, they're not ideal for many situations.
So yes you are right in that, I had one device while trying different cards, I noticed it in others too. It will work, but not great.
And that's where Apple wont give go ahead. Internal is always better for long term, strenuous use.
As a photographer. Id never work off a USB2.0 external HD for editing large images.
Yes I use one....but for storage and things not accessed very often.
For things Im gonna access a lot, and need to edit, I always work with in the internal HD, its much faster and stable.
And there's really not a great work around for it. I later went on to do a lot of research on Class 10 cards, knowing how rare it is for flash cards to fail....IT IS RARE.
But what I found was many research has shown that the Class 10 cards have high failure rates due to stress and work requests on such a card.
So its like a race car......running an engine on the extreme edge of performance will work to benefit, but not practical for long term use.
Its these little things that add up to make Apple products like iPhone, MB, iMacs feel so much better than other devices.