1. rutameta's Avatar
    My sd card became unsupported after removing and inserting it again in my Samsung 7 (Nougat), it works in another Samsung phone but in my Samsung S7 - doesn't (it seems all issues came after Nougat updated). Showing message as "Unsupported SD card" and suggests to Format it but format fails with message "command '22 volume partition disc: 179,0 public' failed with '400 22 Comand failed"
    xjalad likes this.
    05-31-2017 05:53 AM
  2. Golfdriver97's Avatar
    Welcome to the forums. What SD card is the one giving you trouble?
    05-31-2017 08:52 AM
  3. rutameta's Avatar
    hama mirco SD HC 4GB
    05-31-2017 09:10 AM
  4. Golfdriver97's Avatar
    Can you format it in your PC then see if the phone can read it?
    05-31-2017 02:12 PM
  5. rutameta's Avatar
    I did format in PC - no changes
    06-01-2017 01:05 AM
  6. kbz1960's Avatar
    Did you do a quick or full format?
    06-01-2017 09:56 AM
  7. rutameta's Avatar
    Full format
    06-02-2017 02:28 AM
  8. Golfdriver97's Avatar
    This is really strange. I would say the card is bad, but the PC can read and format it. I am not sure what to say.
    06-02-2017 02:27 PM
  9. xjalad's Avatar
    This just happened to me after removing and reinserting the card. I tried formatting via phone and I get an error message. Prior to that, I was able to access everything on the SD via my computer. WTH?
    06-28-2017 12:15 PM

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