1. Vikesh1's Avatar
    Using for last 1 year, my LG G3 D855 is running on Lollipop (Android version 5), for the past one month I'm encountering following issues,

    1.) The Sandisk 16Gb SD card keeps randomly unmounting then re-mounting itself. Whenever i attempt to access anything on the card, it immediately unmounts itself.

    2.) Phone runs hotter and it seems the heat is around where the sd card/sim card is mounted. It would say INVALID SIM and reboots on its own.

    Can somebody help me? How can I get above 2 issues resolved?
    09-05-2016 11:59 AM
  2. B. Diddy's Avatar
    Welcome to Android Central! The first thing I would do is try a different SD card. The one you have now might be failing, which can cause various issues.
    09-06-2016 06:54 PM
  3. Vikesh1's Avatar
    Yes I tried a new SD Card, issue is still the same. Though the frequency is reduced.
    09-06-2016 07:11 PM
  4. B. Diddy's Avatar
    I wonder if there's a problem with the SIM slot, then. Try cleaning it by blowing it out with a can of compressed air.
    09-07-2016 01:19 AM
  5. DaniBg's Avatar
    Hi, i have the same issue with my LG G3 D855. Tried everything with the SD card and works on all other devices such as another G3 and PC.
    SD card mounts and unmounts itself constantly. Sometimes is not visible at all for hours. Then it comes back for a short period of time and disappears on it's own.
    Really annoying.
    Tried different SD cards, same result :/
    Any ideas on how to tackle this baby?

    Thanks!!
    02-27-2017 05:28 PM

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