How to Speed up an Android Smartphone

How to Speed up an Android Smartphone
Android smartphones are found almost everywhere, and they range from low to high end smartphones. All of them will slow down with time; this is why it's important to maintain your smartphone's smoothness by following the few easy-to-do steps mentioned in this article.

Note: The path for the settings in the steps might vary depending on your smartphone model and android version.

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Steps

1
Update your smartphone firmware. The updates fix some bugs, add new features, and other issues that you may not be aware of. Such issues crop up with reasonable frequency, so updating regularly will ensure the optimum performance for your phone.

2
Reset your Android phone. Resetting erases everything and brings your phone back to its original, "as new" condition. This is a temporary option, because as you use your phone again, it will suffer the same behavior again.
3
Back up any important information (such as saved passwords in browser) before taking this step.

4
Check the internal memory space. A low amount of internal memory could be the reason behind any severe lag that your phone is experiencing.
Move your media (pictures, mp3 files, videos, and so forth) to the external memory, usually an SD card.
5
Some low-end and mid-range smartphones might already have low internal memory space, in which case, moving your files to the SD card won't help that much.

6
Search the Google Play Store for useful applications. Possible applications that may help include:
A good antivirus application: Scans your phone for any possible viruses and malwares. These usually slow down your phone.
A startup manager: Allows you to stop number of applications from starting up automatically when the phone boots up.
'Juice defender: Gives your phone more battery life by stopping services and applications.
A app cache cleaner (could be automatic, too): Cleans up some cached data from the internal memory.
App2SD: Allows you to move some applications to the SD card (if you have one inserted, and if supported on your phone). This also speeds up the phone.

7
Uninstall unused applications.

8
Restart the phone. This is a temporary option, but it works!

9
Root the phone. Rooting gives you additional options to do with your phone. Although rooting is a risky solution, it is not as risky as it used to be. This might brick your phone (i.e., it will malfunction). In addition, a successful root will void your warranty. However, you can always unroot the phone (and you will restore your warranty, as the manufacturers cannot tell if you rooted your phone before or not). Here's a list of things that you can do after rooting your phone:
Overclocking your phone processor. This will ultimately speed up your phone, but will eat up more battery juice than before.
You can also install a custom ROM. The ROM is basically the version of Android installed on your phone. A custom ROM is not an official one, but some of them are better. While this might solve many of your Android smartphone problems, including lag and having a newer version of Android, it is a very advanced, risky and not a recommended solution, because sometimes the custom ROM might not be stable, or might contain bugs and missing features that are found in the official ROM.
The ability to delete unwanted pre-installed applications. In case you wanted to delete some applications, notice two things here:
Download a backup application, such as Titanium Backup to back up the application before deleting it (in case you wanted to restore it later).
Be careful not to delete any system application, like the launcher or the status bar.
Rooting also gives you access to more advanced applications, like root call blockers, normal and notification ads blockers and root memory managers. The root memory manager is usually better than the auto task killer application.