- If you haven’t already, set a lock screen PIN, pattern, or password.
- Open your device’s Settings app .
- Tap Security & Location.
- Under “Encryption,” tap Encrypt phone or Encrypt tablet.
- Carefully read the information shown.
- Tap Encrypt phone or Encrypt tablet.
- Enter your lock screen PIN, pattern, or password.
What happens when you encrypt your Android phone?
One such option is to encrypt your entire device. This means that every time you power your phone on, you’ll need either a numeric pin or password to decrypt the device. An encrypted device is far more secure than an unencrypted one. When encrypted, the only way to get into the phone is with the encryption key.
How do I protect my android from encryption?
In that case, complete the following steps to encrypt your device. Go to Settings > Security > Encrypt Device. Onscreen labels vary between Android devices.
Turn on encryption
- Set a device screen lock.
- Go back to Lock screen and security and select Secure startup.
- Choose Require PIN when device turns on > OK.
How do I encrypt a file on Android?
Encrypting a folder
- Open SSE Universal Encryption.
- From the main window, tap File/Dir Encryption.
- Navigate to the folder or file you want to encrypt.
- Tap the folder or file icon to select it.
- Tap the Encrypt Dir button (Figure A).
- When prompted enter and verify an encryption password.
- Tap OK to encrypt.
Can Android encryption be cracked?
Android encrypts a gadget’s file system using a randomly generated 128-bit Device Encryption Key aka the DEK. However, it’s not quite that simple: the DEK is actually encrypted using the owner’s PIN or password and an encrypted block of data called the KeyMaster Key Blob.
Photo in the article by “维基百科”