This SD card is a nightmare and now I don't have 700 photos from my international vacation. I bought an SD card as extra external storage to take holiday pictures and it worked great. When I got back I hadn't had a chance to save them to my personal laptop and I packed it up during the move when I had problems with the internal storage of my Motorola Droid Maxx 2. I deleted the photos from the SD card and put them on my work laptop, formatted the card for internal storage, put the photos back on the card and deleted them from my work laptop. After formatting, my phone warned me that this SD card was "slow" but I had no chance to do anything about it. A few days later the card started making errors and my phone said SD card not found. It electronically detected when an SD card was inserted, but couldn't connect or mount it. I would put it back in and it would mount but half a day later the error came back. A few days later it stopped working and refused to find and connect. I found my laptop and tried to insert it, but the computer had to reformat the card to access it. I had no choice but to reformat it and lose all my photos as there was no access to the card. After I put it back in my phone and tried reformatting it as internal storage, it just pops out and does nothing. The card is now a tiny piece of plastic and nothing more. I will never go anywhere near Samsung for anything again.
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