Originally Posted by jpbme
I just applied the RUU update, and when I go to storage - Mount SD card is grayed out, doesn't appear to read my microSD at all. Worked fine before update.. any ideas?? It's a 64gb micro sdxc. I was going to try a reformat but wanted to see if anyone knew what else it could be first.
Mine did the same thing, a reboot worked for me (think I got lucky though, ;-p)
If it doesn't, do you have a spare sd card to put in there to try and isolate the problem, whether it's the phone or card.
Also are you stock, rooted, s-on/s-off, etc?
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