Before moving on, keep in mind that this article was written in collaboration with you, our AndroidPIT readers and other members of our content team. Everything here is based on the number of times it was mentioned on our social media pages, so everything in this list is based on our readers’ opinions, rather than those of the editorial team.
The solution often lies in the Android system itself, but some apps also claim to clean up your device (although these should be used with caution!).
Found the culprit? Then clear the app’s cache manually
You can go into the settings on your device and take a look at each individual app and determine which is causing problems for your phone. The majority of our site’s readers and editors don’t use a cache cleaner for Android, but clear cache manually as well as frequently delete images and videos that they receive through WhatsApp, for example.
What’s the difference between clearing the app cache and clearing data?
By doing so, you can get to know your device and its features better. You can even take preventative measures, like blocking those avalanches of automatically downloaded pictures on messaging apps. Furthermore, by doing this manually, you can be certain that you won’t cause any long-term damage to your device.
How to factory reset your Android phone
Many cleaners for Android phones promise to improve the memory and performance of your device. This does happen, but it’s mostly due to cleaning out your apps’ caches. A cache is basically a storage area where data or frequently used processes are saved for quicker access in the future. In the end, the cache actually saves time and avoids unnecessary use of the hardware on your phone. So, always cleaning your app when your phone is running slowly or the memory is full could seem like the best option in the short run, but it could have consequences in the long term.
I recommend using a cache cleaner for Android on occasion, and when you do it, do it from the list of Apps with the most data. In order to do this:
Go to the Settings Menu;
Click on Apps;
Find the All tab;
Choose an app that is taking up a lot of space;
Click the button Clear Cache. If you’re running Android 6.0 Marshmallow on your device then you’ll need to click on Storage and then Clear Cache.
androidpit clear cache
Clear each app’s cache separately / © NextPit
However, this only works to clean one app. In order to clean the cache of every app at the same time, follow the steps below:
Go to Settings;
Click on Storage > Cache Data or Saved Data;
A screen will ask for confirmation to remove everything stored within the caches. Confirm and save to remove the content.
Sometimes a factory reset is necessary
Just as the name implies, restoring your phone to factory settings takes you back to zero and resets your device’s settings to exactly how they were the day it came out of the box. There won’t be any extra apps, contacts, settings or any type of data, only what comes standard on Android.
However, if you have updated your system to a more recent version, the system will keep the most recent upgrade. So, if you were running Lollipop or Marshmallow and updated to Oreo, after the reset, your phone will continue running Android Oreo.
All about custom ROMs for Android
This feature is mostly used by people that like to install different ROMs on their device but it could also be very helpful to users who have an older phone. Doing this will give your device a breath of fresh air. I especially recommend it if you’ve had your device for more than a year and you’ve never formatted it. Additionally, it’s important to back up your data before resetting your phone.
In order to restore your phone to factory settings, the most common way is:
Go to Settings;
Click on Backup and Reset (It may sometimes be under Additional Settings)
Make a backup in the Android system itself by using Drive;
Factory Data Reset;
You may have to put your PIN in again;
Click on Reset phone or Erase Everything;
Restoring your phone to factory settings will delete all of your data / © NextPit
If all else fails, use an app – DiskUsage can help you identify the problem
DiskUsage is unique for each individual, a personal statement. The first thing I need when I want to clean my Android is to find out which type of data or feature is taking up the most space. You can use DiskUsage to help you do this. It shows storage usage on your smartphone or tablet. Therefore, it’s easier to see exactly which folders and files are using up the most storage on your device.
DiskUsage will help you identify which files are using up the most space on your phone. / © NextPit
After scanning, you can see the size of each app, including their cache, and even how many voice files you’ve saved. DiskUsage will graphically show you which of your files are the biggest, and then it’ll let you choose which ones you’d like to delete.
Install on Google Play
Clean the system with SD Maid storage space cleaner
SD Maid was one of the apps that was most mentioned by both users and members of our team alike. It works like an internal toolbox that lets you find files or app directories that are no longer installed on your smartphone; search for known file types and locations which can normally be securely deleted and, among other things, remove duplicate files.
The app has a well designed and intuitive interface which works just as well for users with or without root access. If you have administrative access to your device, you can remove even more fat to clean up your storage space.
We spoke to the SD Maid dev about the benefits of system cleaning tools
sd maid app
SD Maid delivers on its promise but it offers more options to users who have root access. / © NextPit
The app does have a PRO version, which costs $3.49. I recommend the PRO version to only those users who have rooted their phone, since the majority of the features need root access. A while back we talked with the App developer and sincerely, SD Maid is very honest in their advertising. They don’t make promises they can’t deliver on.
So, if you think manually cleaning your Android is a bit too much work, then according to both users and the AndroidPIT team, SD Maid is a solid option.
SD Maid – System Cleaning Tool
Install on Google Play
SD Maid Pro – Unlocker
Install on Google Play
CCleaner – Puts you in control
CCleaner was the top voted among AndroidPIT readers. But what else can you expect since it’s one of the most popular computer services out there. This app simply and efficiently removes useless, obsolete or temporary data. However, it should be used in moderation.
Clean Master: “You have a right to complain”
What makes this software attractive among PC and smartphone users is that it performs a device analysis; scanning the cache, browser history, received calls history, files and various storage areas on the system. Then, it’ll recommend what should be deleted.
In addition to all that, it gives a list of apps that are taking up a lot of memory in the cache and then, it gives the user a chance to choose if they’d like to remove that temporary data or not.
CCleaner is one of Android’s most popular phone cleaners. / © NextPit
Just like SD Maid, the app’s interface is simple and intuitive for a memory cleaner.
Contrary to its competitor Clean Master, which promises to speed up your smartphone, CCleaner doesn’t force users to end processes; it’s offered as an option, but the final decision is up to the user. This type of feature, in fact, is a stopgap, since when you close all your apps and start another, the last one will, of course, run faster. Yet, this is just time-consuming because you’ll have to open the other apps again when you want to use them.
Install on Google Play
Don’t make the mistake of believing that your smartphone will have 50-70% better performance after using a phone cleaner app. Sorry, but it’s just not true. For this article, I tried looking for the answer to the best way to remove excess data from an operating system and, to my surprise, I realized that our users manually clean their Android devices much more often than they use an app.
How to pick the right Micro SD card for your Android phone
However, in case you don’t feel like doing the legwork, keep in mind that when you’re choosing an app to remove unwanted files that are taking up space on your device, look for apps that give you information about your options and not just an optimization button.
Best cloud storage apps to back up your Android device
If you have an older smartphone and you just can’t part ways with it yet, try rooting it, because the features on cleaning tools are much better on rooted phones. Also, take advantage of new features like Google Drive or Dropbox, as they can come in very handy. And, of course, if you can use an external storage device such as a microSD card, it could help save you some precious space.
Lastly, always keep your device and phone cleaner updated, and if you’re not using an app, remove it from the drawer. You can always download it again from the Play Store when you really need it.
What Android cleaner do you use? Are there any other apps or processes that you’d recommend to clean your phone? Let us know in the comments.
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