If you're running Android 6.0 Marshmallow on your device, like my Huawei Android 6.0, simply click on Files and then Clean up. This only can clear your app's cache, your app residual trash, unused app packages will also be detected and, on the advanced management of storage, you can check all your data usage exhaustively, and select certain contents to clean up. In fact, if you want to remove all cache files, jump back into Storage details, then tap the “Cached data” section. As you can see in the screenshot below, my device still has 496MB of cached files. When you tap on “Cached data,” a popup will appear letting you know that this will clear all cached data for all apps. Another good way to free up space is to delete items from your Downloads folder. This folder can often get clogged with PDFs, images, app APKs and other files. You can use the built-in Downloads app to check through and delete files, or you can connect your Galaxy S6 or S6 Edge to your computer and then delete files from there. To download more apps and media, or help your phone run better, you can clear space on your phone. Storage is where you keep data, like music and photos. Memory is where you run programs, like apps and the Android system. Important: Some of these steps work only on Android 9 and up.
The Samsung Galaxy S6 (and the S6 Edge) are far leaner and cleaner than their Galaxy S predecessors. They run the latest version of Android, 5.0 Lollipop, and dispense with many of the apps that came preinstalled on earlier models. However, the new glass-backed design doesn’t allow for micro SD expansion, so you may find yourself running out of space, particularly if you chose a 32GB model.
The first port of call is to check out Settings > Storage. This shows a nice breakdown of your phone’s total storage space, divided into sections like Apps, Pictures / videos, Audio and Downloads.
Uninstall unneeded apps
The best way to get more space is to uninstall apps that you are not using. Large apps like games can take hundreds of megabytes (MB) or even gigabytes (GB) of space. Visit Settings > Apps, and you’ll be able to see all of your installed apps, ordered by the space they are taking up. Uninstall any apps that you don’t use often; you can always re-install the app later if you need it again.
Copy media files to a computer
Your storage can also be used up by media files like videos, photos and music. If you take a lot of photos and videos on your device, you can quickly run low on space. We recommend copying your photos and videos from the DCIM and Camera folders on your phone’s memory, onto your computer.
To do this, connect your Galaxy S6 or S6 Edge to your computer with a micro USB cable. Your phone should show up as a removable drive*, and from here you can find and copy the Camera and DCIM folders to your computer. Once your media has been successfully copied to your computer, you can delete the original files on your Galaxy S6 or S6 Edge.
* On Mac, you’ll need to install the Android File Transfer app first.
Programs on Windows, Mac and Linux can often automate this process for you, copying new media files whenever they are connected. Dropbox is one such app that does this, alongside iPhoto, Windows Photo Viewer and Adobe Lightroom.
Copy media files to a cloud storage provider
You can also upload your media directly to cloud storage services, such as Dropbox, Google Photos or Microsoft OneDrive. Just install the relevant app on your Galaxy S6, and then follow their instructions to enable automatic camera uploads. Once all your photos and videos have been uploaded successfully, you can delete them from your phone.
Use music streaming apps
If a lot of your space is dedicated to your music, then using a streaming service can be a good alternative. Spotify is a popular paid solution, and there are many other competitors to try too.
There are also free services like Google Music, which will allow you to upload your music from your PC to online servers, to be streamed to you whenever you need it. This approach uses more data, but does mean that you don’t need to keep music on your phone. You can also manually choose songs, albums and playlists to keep downloaded onto your phone. Once you have a streaming music provider set up, you can delete the music from your phone and regain that space.
Clear your downloads folder
Another good way to free up space is to delete items from your Downloads folder. This folder can often get clogged with PDFs, images, app APKs and other files. You can use the built-in Downloads app to check through and delete files, or you can connect your Galaxy S6 or S6 Edge to your computer and then delete files from there.
Use analysis tools like DiskUsage
Our final tip is to check out specialised disk usage apps like the appropriately named DiskUsage. This app will show you a breakdown of your storage space, making it easy to see where space is being taken up. If the standard Settings > Storage view is too unclear, then apps like DiskUsage can be very useful.
Perform a factory reset
The ultimate option is also one of the easiest: the factory reset. This will completely reset your phone, wiping all of its data, but also regaining all of its space. For instructions, check out article on doing a factory reset on the Galaxy S6.
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I hope you found these tips helpful! Please let us know if they helped in the comments below, and let us know what we can do to improve this blog for the future.