How can I encrypt or decrypt my microSD card?

Last modified : Aug 02. 2018
Lock Screen and Security

Encrypting the data on your microSD card adds an extra layer of security. It locks the information on your SD card to your device in it's current state. If it's lost, stolen or removed, the files won't be read even if it is moved onto another device or computer.

 

It is important to remember to decrypt your microSD card before a Factory Data Reset, or if you are switching to a new phone. The data on your SD card will not be able to be read or decrypted after a reset or in another device. The only option to use the microSD card again is to wipe it completely.

How to Encrypt your microSD card:Click to Expand
1 Open the Settings app and tap Lock screen and Security
Open settings and select Lock screen and Security
2 Scroll to the bottom and select Encrypt SD card
Scroll to the bottom and select encrypt sd card
3 Select Encrypt SD Card
Select Encrypt SD
4 Enter in your Pin, Pattern or Password to proceed
5 Encryption will begin. You can continue to use your device normally. The encryption process will show in the notification panel.

It can take a long time if there is a lot of data to encrypt on the SD card.
As an example, on a card with 60gb of data, it will take around 100 minutes to complete (1% per minute)

Encryption progress will show in the Navigation panel
How to Decrypt your microSD card:Click to Expand
1 Open the Settings app, and select Lock screen and Security
Open the Settings app and select Lock screen and Security
2 Scroll to the bottom and select Decrypt SD Card
Select Decrypt SD card
3 Tap Decrypt SD card to begin the process
Tap Decrypt SD card
4 Enter your lock screen pin, pattern or password
5 Wait for the decryption to finish - you can keep an eye on the progress in the notification panel. Make sure to keep the device charged during the process as it can take some time.
Progress bar in Notification Panel

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