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Android 101

Whether you have never touched an Android device before or you’re a veteran and are curious about a particular topic. The Android 101 program can help you to learn the mobile operating system from the ground up. It can also help you dive deep into the more complex aspects of the platform as well.


By default, this section shows the latest posts first. This means the first articles you see on this page are the more complex one. If you are a complete beginner (or simply want to brush up on your skills), then click the link below to change the order and show the first Android 101 guides first.

Start the Android 101 Program from the Beginning

Galaxy S7: How to Wipe the Cache Partition

Sometimes cached app data can cause issues on Android so today I'm going to show you how to wipe the cache partition on the Galaxy S7 and S7 Edge.
Galaxy S10 Wipe Cache Partition

How to Wipe the Galaxy S10 Cache Partition?

There are a number of partitions set up on the internal storage of the Samsung Galaxy S10, Galaxy S10+, and Galaxy S10e. Some partitions store downloads, others store the...

How to Wipe the Cache Partition of the Galaxy Note 9

An application's cached data get corrupt over time and cause issues like force closes, poor battery life, slow performance and even overheating. Instead of going through the Galaxy Note...

How to Clear Application Cache and Data on the Galaxy S9

If you've ever noticed an application doesn't work the way it used to then it might be due to the application's data. In these cases we can always go...
how to check voicemail on Galaxy S10

What is Google Discover?

The goal of Google is to keep you using its services as much as possible. In some parts of the world that means they just want to keep you...

What is AOSP?

You may have come across the letters AOSP as you have read through Android news articles, browsing XDA's custom ROM threads, or are just doing research into the mobile...

What is an OEM ROM, AKA an OEM Skin?

Some would compare Android to Windows and how multiple companies sell devices running the same OS. However, the version of Android on your Samsung device will look different than...

What is the Android Lock Screen?

I know what most of you are likely thinking. Why do I need an entire article explaining what a Lock Screen is on Android? Remember, this is Android 101...
OnePlus 7 Root

What is Magisk?

There are a number of consumer products on the market that have computers in them. They run an operating system but it's set up in a way that limits...
What is Google Stadia Explained

What is Google Stadia?

We've seen many rumors about Google wanting to get into the video game market. Outside of the company, no one knew what their plan was. This week though, the company has...