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How to Encrypt Android Phone Protecting Your Information Security

Roy Ulerio
Roy Ulerio

Updated:

Smartphones bring great convenience to our lives, it plays an extremely important role in our lives. While security and privacy are hot topics these days with data leaks and hacking on the rise. From the perspective of information security, it is necessary to set up phone encryption to protect data in that. This is especially important for devices that tend to be lost or stolen. Here are answers to some questions about encryption.

What is Phone Encryption?

Encryption is a way of encoding your private data on a device so that it can't be read by anyone unauthorized. Once you encrypt your Android phone, any new data becomes encrypted automatically.

The pros are that Encryption protects the sensitive data on your phone in case your device is stolen and cause leakage of information. The cons are that Encryption may slow down your phone's performance. Phone encryption is one way. Once enabled encryption, the only way to undo the process is by factory resetting the device.

If you're rooted your device, you'll need to temporarily unroot.

What data gets encrypted?

On an encrypted device, all personal data gets encrypted. This includes things like your email, texts, contacts, Cloud data, app data, photos, media, and downloads. Some non-personal data, like file sizes, aren't encrypted.

Why would I want my phone encrypted?

To protect the information on it, and keep my private data in phone more secure. "If you encrypt your phone, it means that if the phone is stolen or you leave it in a cab, the information on the phone is safe because no one but you can get to it" said John Kindervag, a security and risk analyst with Forrester Research.

Things to consider before enabling encryption

Most newer Android phones ship with encryption already turned on by default. But if you're using a device that doesn't have encryption enabled out of the box, there are some things to consider before enabling it:

  • Slower Performance.
  • If you're rooted, you'll need to temporarily unroot.
  • Encryption is one-way: If you enable encryption by yourself, the only way to undo the process is by factory resetting the device and starting over from scratch. So make sure you're sure before you start the process.

How to Set up an Encryption on Android Phone

Owing to the fact that encrypting the device can take an hour or longer, make sure your device's battery must be at least 80% charged. Otherwise, Android won't even start the process. You'd better plug it in throughout the entire process. Before you get started, ensure that a screen lock PIN or password has been set for your device.

In Settings, choose Security > Encrypt phone. Then hit the "Encrypt phone" again if you're ready to proceed.

Encrypt your Android phone

If you're on Android 7.0 or higher, you'll need to choose Storage > Storage encryption. On some phones, go to Storage > Lock screen and security > Other security settings to find the "Encrypt" option.

Follow the onscreen instructions. During encryption, your device might restart several times.

How to Decrypt an Encrypted Android Phone

If you have already encrypted your device, you would see the encryption button is disabled. And there's no way to change your mind other than factory resetting your phone.

Disable Encryption