That's because many system resources and some apps must be installed on the device's built-in core storage, not on a removable storage medium. Android devices that use external storage (SD cards, basically) often have much less usable storage than is reported. In some cases, Android can purge all apps' caches in one fell swoop, using the Storage screen in the Settings app.īe warned that clearing the cache may not do the trick in all cases. In the confirmation form that appears, tap Delete to free up that cache for working space, or tap Cancel to leave the cache alone. You'll see how much storage is used, with details for cached data broken out. Open the Settings app, tap Storage (it should be in the System tab or section).In some devices, there's a faster way to clear all the apps' cache in one fell swoop: The Android Settings app shows the storage used by each app and lets you purge each app's cache. You could also tap Clear data, but that removes your files, which is probably a bad idea.

Tap Clear Cache to remove its cache and free up that space.

Tap an app to see how much storage it is taking, both for the app and its data (the Storage section) and for its cache (the Cache section).

Tap the Menu or More button and choose Sort By Size to arrange the apps by which take the most storage.

You'll see a list of all apps and how much storage space they're taking.

Scroll sideways to the Downloaded section.

(Applications Manager might be an option after either Apps or Applications.)

Open the Settings app, tap Apps, Applications, or Applications Manager option.

(The screens here are for Android Lollipop running on a Samsung Galaxy S6.) How to do so depends on what version of Android you are running, as well as from what device maker. If you get the 'Insufficient Storage Available' error, empty your app cache to see if that clears up enough working space for the installation. Those caches can grow quite large, yet they are reported as free space by Android - though in fact that space is not available as a working space for app installation.

Adding insult to injury, there are several possible causes for the lack of sufficient working storage.Īndroid apps use three sets of storage space: for the apps themselves, for the apps' data files, and for the apps' cache. Lack of working space is the cause of the 'Insufficient Storage Available' error that periodically bedevils Android users. When Android shows the 'Insufficient Storage Available' error

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