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Missing space on internal storage

Discussion in 'Android Devices' started by winterSkies, Dec 9, 2020.

  1. winterSkies

    winterSkies Lurker
    Thread Starter

    I have a Verizon Galaxy J7 V 2nd Gen, which has 16GB of internal storage. When I look using an app like Disk Usage, it shows the total internal space as 10.8GB, with ~8.5GB used by System Data. I have had the phone for almost 2 years. It seems like I am missing 6GB of space. Does that make any sense?

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  2. Dannydet

    Dannydet Extreme Android User

    Nothing out of the ordinary.
    Your system files will take up internal space as normal
    ocnbrze and MrJavi like this.
  3. winterSkies

    winterSkies Lurker
    Thread Starter

    Is the OS that big that it will use up 12-13GB of the 16GB internal storage?
  4. ocnbrze

    ocnbrze DON'T PANIC!!!!!!!!!

    yep....especially samsung phones.....one ui is pretty robust in size
  5. Hadron

    Hadron Smoke me a kipper...
    VIP Member

    One thing to remember is that DiskUsage shows storage in binary units. However storage vendors and many apps, including probably your system menu use decimal units. This adds an extra layer of confusion to such discussions (DiskUsage labels its units "GiB" to try to indicate that it's using binary, though really "GB" is perfectly correct for binary units. I'll adopt this convention here as well for clarity, though I dislike it myself).

    The difference is that a binary G is 2^30, while in decimal G means 10^9. So your 16 GB storage (16*10^9 bytes) is actually 14.9 GiB. So if DiskUsage is showing 10.8GiB total that means that 4.1 GiB is being used by the system partitions. That's 4.4 GB in decimal units (relatively small for a Samsung).

    What it's showing as "system data" is harder to say, because without root you can't tell what it is. It may be actual system data, updates to system apps (system apps live in the /system partition, but their updates eat into the user-available space), for all I know it could even be data related to user-installed apps that DiskUsage doesn't have permission to look at. 8.5 GB, if that does not include the "missing" space (system partitions), is however rather large: on my ancient Galaxy Note 10.1 tablet (my only Samsung) "System Data" in DiskUsage is 1.2 GiB, while on my 3 year old and heavily used Pixel 2 it's 1.6 GiB. So it's that 8.5 GB, rather than the "missing 6 GB" (really 4.1 GiB/4.4 GB) that's surprising to me (though if you've included the "missing" space in that 8.5 it's not so crazy).

    To add one further confusion, other apps, including your system storage menu, may label things differently (both in how they define "system storage" and what units they use/how they label them). This can make it very hard to reconcile what different apps and system menus show.
    #6 Hadron, Dec 10, 2020
    Last edited: Dec 10, 2020
    Dannydet likes this.

Samsung Galaxy J7 Forum

The Samsung Galaxy J7 release date was June 2015. Features and Specs include a 5.5" inch screen, 13MP camera, 1.5GB RAM, Snapdragon 615 processor, and 3000mAh battery.

June 2015
Release Date

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