[drewsg]

I use my 64gb card for all my music. Most of the time it'll playback everything fine, but once in a while it seems like it'll make a multiple duplicates of every mp3s I have stored on the card (not the ones that are on the phones internal memory). Sometimes when I'm even playing the mp3s, it'll stop midway and say the file isn't recognizable. All of this isn't fixed until I clear out the data from the memory storage where all the unplayable duplicated files are deleted.

It's a Galaxy S2, Android version 4.0.3

[Tekkmonkey]

I use a 64GB SanDisk Ultra in my Asus Transformer Infinity tablet with no problems. Usually use it to watch movies. Sounds like it might a phone problem, hopefully someone here can help you.

[Rukbat]

It depends on the hardware, not the operating system. The S2 hardware addresses 32GB, so a 64GB card can look like 2 cards in parallel, and you'll get that "file isn't recognizable" problem once in a while. Get a 32GB card. (You don't get 64GB in an S2 with a 64GB card, you're still limited to 32GB of external storage.)

[drewsg]

Interesting. I didn't know that, because I had more than 32GBs of mp3s on my card and it seemed to recognize it fine.

Is that a problem limited to the S2, or does the S3 and future generations handle 64GB sd cards better?