Back about ext sd card.
Yesterday I've tried several times without luck.
I formatted my 32 Go sdcard witm my computer in:
FAT, and saw it in my sgs, but not in the computer, only int sdcard was shown.
exFAT and didn't see it in my sgs and in my computer
NTFS and didn't see it in my sgs and in my computer.
Then I did the same and checked the sdcard in my GS4 mini:
I saw it with FAT and exFAT in my phone an could connect it to my computer.
Today I found an older sdcard (1 Go) from an old phone and I putted it in my sgs. The sgs says "preparing your sdcard" and I saw it immediately with root explorer and file manager, I could write on it and when I connected my sgs through usb to the computer I saw both int and ext sdcards.
The difference between yesterday and today is only the new nightly, but that doesn't change anything because I tried again all I did yesterday.
Only one thing changes, with my ext 32 Go sdcard in my sgs the pin code check is very late, first there's a message telling Check of the sdcard, and a few minutes later the pincode is checked.
After that the sgs has some problems:
with Root explorer or file manager both int and ext cards seems empty.
But something strange happens, for the first time in Settings/Stockage the button for installing the sdcard was active.
I pushed it, and the message "preparing the sdcard" appears, but 1 minute later settings goes in FC and I couldn't try it again.
So, I went back to an sgs without ext sdcard, and pincode check is immediatly when booting.