If the card isn't unmounted before taking it out it will ask for it to be formatted as it won't recognise it. It's a pain with this phone because to put the card all the way in you need to push it in with something like the end of a pen because the slot is deep inside the edge of the phone so that a waterproof flap can go over it. As a consequence it's easy to not quite push it in fully, but far enough for it to get a false read, which will cause it not to be recognised when inserted properly and require formatting.
Sent from my D6503 using XDA Free mobile app
Last edited by kotton666; 14th July 2014 at 08:57 AM.