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Should you delete the system cache on your Android phone?

  Here's how it's done

Some Android phones store temporary files used for operating system updates, for example, in a cache partition. You may have received recommendations on the Internet that suggest you delete this partition from time to time. But is this a good idea?

What is the system cache and what data is stored there?

Some time ago, in the days before Nougat, Android used a system cache to save system update files. Android has moved away from it and prefers a different method for installing updates.

Many modern phones do not even have a system cache at this time. If your system cache is present, it is on a different partition than your primary phone store. Files stored there do not occupy storage space accessible to the user. When you empty the system cache, you can not download new apps, save files, or save more cat photos.

The system cache is also different from the cached app data, that is, data that is stored by apps and specific to that particular app. For example, Spotify stores streamed music in its cache file for faster (and offline) playback. Each app has its own cache file, which is separate from the system cache file and occupies user-accessible space. Emptying this cache is a great way to free up space. Remember, however, that the app rebuilds the cache when in use. So emptying is not a permanent fix if you need more space.

RELATED: Why Android no longer needs a cache partition

Should you clear the system cache?

Dropping the system cache should not cause any problems, but it probably will not help much. With the files stored there, your device can access frequently used information without having to constantly rebuild it. If you clear the cache, the system will rebuild those files when the phone needs them the next time (just like the app cache).

Although it is not recommended to empty the system cache, this is often-or regularly-without a reason to do so. For example, these files sometimes get corrupted and cause problems. If you have problems with your phone and you have no options, you are welcome to try this.

How to delete the system cache of your phone

As mentioned before, some phones I have no system cache partition. We tested several phones and only with those from OnePlus and Alcatel we were able to clear the cache. Samsung Galaxy, Google Pixel and phones from Oppo and Honor, for example, had no such option. As with many things in Android, your mileage may vary.

To clear your phone's system cache, you must first reboot the device in recovery mode. To do this, turn off the device and press and hold the power button and the volume button until the phone turns back on. If that does not work, the keyboard shortcut on your device might be different – see the user documentation if applicable.

 To start your phone in Rocvery mode, press and hold the power and volume keys.

You may be asked to enter a password. In this case, enter your password for the lock screen to enter the recovery mode.

 When prompted for a password, enter your password for the lock screen.

On some devices, the touch screen may work during recovery. This will allow you to tap the option you want to select. For others, you must navigate through the various options by pressing the volume up and volume down buttons and using the on / off switch as the enter button.

From here, the process depends on your device. I'm looking for an option to clear the cache. You may need to consult the documentation for your device if you encounter any problems.

 Clear and cache data

If you find the correct option, select it. Because this is an irreversible decision, some devices may ask you to confirm. Once you have confirmed this, it should only take a few seconds for the partition to clear.

When the recovery is complete, use the restart option to reboot the phone to the operating system. Your phone will turn on normally and you're done!

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