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  • 1 Post By TigerDave99
  1. Thread Author  Thread Author    #1  

    Default [SOLVED] External exFAT 64GB SD card won't mount now after installing 4.3 (MK3) and WiFi fix

    Yesterday I upgraded to TWRP 2.6.3.0 and then installed followed by the . I then wiped the Data partition and after going through the "welcome to your new phone" wizard, all seemed OK, but I could not enable WiFi.

    The failed to install but at least the external micro SD card was readable. I figured out that my work was blocking the link to the WiFi fix and so I downloaded a good copy at home from . That one installed fine.

    But now I cannot mount my 64GB SanDisk micro SD card. If I try, it says "Preparing SD card" immediately followed by "SD card safe to remove". I rebooted back into TWRP Recovery and couldn't see the SD card either. Once I ran the Fix Permissions option, I could finally see and browse the contents of the SD card using TWRP's File Manager. All that went away, however, once I booted back in to the system. I still cannot mount the SD which contains all of my Titanium Backups (and more).

    Any ideas?

    EDIT: Solved. See next post.
    Last edited by TigerDave99; 12-11-2013 at 11:52 AM.
    Samsung Galaxy S3 rooted with stock ROM
    Asus/Google Nexus 7 FHD (2nd Gen.) 32GB
    Thanked by:
  2. Thread Author  Thread Author    #2  

    Default Re: External SD card won't mount now after installing 4.3 (MK3) and WiFi fix

    Still researching but it sounds like something in the wifi fix killed exFAT support:

    It's obvious the problem is 64GB exFAT cards.
    Everyone with 32gb or smaller should not have the problem.
    But at least for the 64GB cards, the reformat to FAT32 fix is simple. Time consuming but simple.

    SOLVED:
    Installing via TWRP fixed it. I can now see and browse my SanDisk 64GB exFAT SD card.
    Last edited by TigerDave99; 12-11-2013 at 11:51 AM.
    Samsung Galaxy S3 rooted with stock ROM
    Asus/Google Nexus 7 FHD (2nd Gen.) 32GB
    Thanked by:
    Derek Dugan likes this.

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