How to keep Android smartphones and tablets secure

Here's the best way to keep Android devices secure, and what you do when they've come to the end of their lives.

There's well over a billion Android devices currently in use, but when it comes to security it seems that most owners are confused.

What is the best way to keep an Android smartphone or tablet secure from hackers and fraudsters and prevent it from becoming a toxic hellstew of vulnerabilities? Also, what can you do to extend the life of your devices, and what do you do when they've come to the end of their lives?

It's not as difficult as you might think.

And yes Star Wars fans, that is a "limited edition" Motorola DROID R2-D2.

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