Having used SanDisk before in my photography, I of course went to them when it was time to outfit my new Samsung Galaxy S3 with an internal microSD card. I spent the extra bucks over comparably "no name" Micro SD cards and bought this variant. I took quite a few pictures and even transferred an album from my computer so I coud show it to friends on the go.After less than two months, the SanDisk microSD card started acting up. It was not recognized, stopped, restarted, removed itself, reinstalled itself onto the phone - erratic behavior. Here is where I should have taken it out immediately and tried to recover anything I could before things hit the fan...unfortunately I waited too long and this morning, for no other reason than I turned my phone on, the card shows up as blank. Neither my Windows PC, nor my Mac, can even detect the card and yes, i tried two different adapters, and I tried the SanDisk recovery which "found no recoverable files" even though I checked all file type extensions.I've apparently lost all the pictures I had on there. To top it all off, my GF's cheap "no name" card has never had an issue in her exact same phone and keeps chugging along merrily.Paying a premium for a substandard product that fails in use after two months? No thanks. I'm going back to Lexar, which hasn't failed me yet. I'm also getting rid of all my SanDisk cards for my DSLR's, just in case. The fact that SanDisk is the first card thats ever failed on me, and a new card to boot, does not inspire confidence. Buy and use at your own risk.