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What is cached data and how to clear it?

enero 15, 2020

With a host of technological advances wrapped around our lives, we somehow accept technical jargon without really understanding what it really means. Have you ever wondered what cached data is? Then you cannot be the only person unaware of what it means.

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Our phones have become so much more than a way of making and receiving calls. After all, that's what phones were supposed to do when they were created. But now they are meant to help us juggle lives, inform us of communications through different applications, and finally make and receive calls. All devices that connect to the Internet give cached in one form or another.

Read also: How to clear the application cache and data on Galaxy S7

Example to define the cache

Let me take the help of an example to define the cache. When you visit a place for the first time, your brain stores the route in your mind so that the next time you have to go to the same place, it's easier and faster. This is somewhat the same way that cached data behaves. When a device visits a website or uses an application, some data is stored as a cache in the memory of the device. The next time the device accesses the same website, it is easier for the device to access it because of cached data that was stored during the first visit to the site.

Why are there cached data

The main reason why cached data exists is to make loading time faster. Thus, if the layout of the site is already saved in the form of cached data, it will no longer be necessary to load these same data. This helps speed up the website loading process.

Cached data is useful for computers, smartphones and tablets. it may take up space on your device and may, after a while, be corrupted. While the data cached on your device can be useful for websites that you visit regularly, it can be seen as a waste for websites that you only visit once.

Android devices handle application data very efficiently and, for most users, you don't have to worry about manual handling of cached data. However, when the phone starts to experience problems and you try to resolve a problem by following certain troubleshooting steps, you may encounter a step that may ask you to clear the cache.

The cached files on your Android phone or tablet may exist for the applications you access or use, and they will exist for the websites that you visit using your smartphone. All applications, whether system applications or third-party applications, contain cached data. Since cached data is automatically created and does not include any important data, clearing or clearing the cache for an application or device is harmless.

Once the previous data is deleted, you will notice a slight change in the time it takes to access the websites or use the app for the first time. This is when the cached data will be created again. Once the data has been recreated, you will notice that your experience of accessing the application or website next time will be faster and smoother.

cached data

Why should we clear the system cache?

The system cache contains data for all the websites and applications that you may have used on your phone. Some of the data may be related to an application that you may already have uninstalled or to social media messages that you have already read and that you may not reopen. It is good to clear the system cache from time to time to free up space on your phone or tablet.

Your Android device may have stored a lot of information on the system cache and it will gradually need more and more storage space. There is no need to give a large storage space for system cache.

Clearing the cache is also necessary as part of the troubleshooting process to resolve a number of issues that may arise due to corrupt cache data. With Android getting better with each update, most of the time you don't have to do it yourself. Android systems generally manage the cache very efficiently. The requirement can arise very rarely.

How to clear system cache on Android Kitkat, Lollipop and Marshmallow?

The system cache is made up of files created to access the Android system. This cache data is linked to the system and system files to keep your Android phone running smoothly. Some troubleshooting steps may require you to clear the cache partition of your Android system so that the phone or tablet can create new cache files. The steps to clear the partition cache are somewhat similar on Kitkat, Lollipop and Marshmallow. You must first enter the recovery menu on your phone in order to clear the system cache partition. Follow these steps to delete the cache partition from your phone:

Android Kitkat

  • turn off your Kitkat Android device
  • Press and hold the volume down button
  • Press and release the power button
  • Continue pressing the volume down key until the three Android icons appear on the screen
  • Highlight Recovery using the volume down key and use your power key to confirm the selection Clear cache on kitkat
  • Once you see a red triangle icon, press the volume up key and the power key simultaneously.
  • Use the volume down key to highlight Clear cache partition and use your power key to confirm your selection.
  • The phone will start erasing the hidden partition from your Android device. It may take time.
  • Once the cache partition has been deleted, use your power key to choose the Restart System Now option.

Your phone will restart. When your phone restarts, it will build new cache files again.

Android Lollipop

  • turn off your Android device.
  • Press and hold the Volume Down and Power key on your device until you see a screen with a few options
  • using the volume down key, highlight Recovery and use the Power key to select it, and your phone will start in recovery mode.
  • You will be on a black notch. Press and hold the volume up and power key until you see the recovery menu.
  • Using the volume down key, navigate to the option that says Clean up cache partition and press the Power key to select it.
  • Once the cache is cleared, use the volume down key again to highlight the option that says Restart the system now and select it using the Power key.

Once the restart is complete, you will have an Android Lollipop device with new system cache files created with the restart.

Android Marshmallow

  • turn off your Android Marshmallow device.
  • Press and hold the power and volume button at the same time until you notice the Fastboot menu on the screen.
  • using the volume keys, select Recovery and use the Power key to confirm your selection.
  • When the screen shows the Android robot on its back, then press the power and volume key together once and you will be in the recovery menu.
  • Use the volume keys again to highlight Wipe Cache Partition and use the Power key to select the highlighted option.
  • Once the system cache is cleared, restart your device and your device should start creating a new system cache.

How to clear all cached data from apps?

If you have never deleted cached data on your phone for the applications you are using, you may have data on your phone that is no longer needed because you may have deleted a number of applications but cache files still exist. They can even be corrupted and start to cause problems for your phone. This is why many troubleshooting steps require users to clear cached data for all applications.

To clear the cache for all Android apps at once, do the following:

  • Head into the Settings menu on your phone or tablet by tapping on the notification shade and tapping the gear icon at the top.
  • Find the storage and tap it.
  • Now tap on the cached data.
  • You will notice a pop-up screen asking for confirmation.
  • Tap OK to completely clear all cached data from the system.

Once the phone cache data is cleared, you will notice that opening your applications may take a little longer. It is only because it needs time to recreate the cache files. You will find that the second time you use the same applications, they will open faster.

How to clear data from the application cache for specific applications only?

While deleting the entire system cache may be useful, you may not want to delete everything and, on the contrary, if you choose to delete the cache For specific applications only, Android systems also allow this. To delete the cache for specific applications, do the following:

  • Go to the Settings menu on your device.
  • Find and tap apps.
  • Here you will find all the apps on your system, tap the app for which you want to clear the data.
  • Tap Clear cache to clear the cache data for the specific application only.

Remember that clearing the cache for an application will not delete any important data and that when you launch the application next time, it will automatically create cache files for the application.

You can also read … How to Clear Application Cache and Data on Android Marshmallow