How To Encrypt & Decrypt Files On Android

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In these times where technology is advancing at such a pace, everyone wants their data to be safe. As we all are transferring all the work load from PCs to Smartphones, we also want our data to be safe. We have set up fingerprint lock, pattern lock, password lock Pin lock, Face lock for sake of security for our devices and data stored in it. In today’s time setting up screen lock is not enough. We can set up App locks so that no intruder is able to mess up with our privacy. But what to do with content of in memory of our device. This brings up the question of How to Encrypt & Decrypt files on Android Phone ?
With Android smartphone in his hand, user can easily secure his data by encrypting it. User can not access the encrypted data unless he enters the lock key he set up for the data. If user forgets the lock key, that encrypted data is useless. There is no way till day to decrypt that data without lock key. So to help you guys protect your data we am going to list some of the easy and hustle free methods.

How To Encrypt & Decrypt Files On Android ?

Method 1:- By Using Built-in Options To Encrypt & Decrypt files.

User can easily Encrypt & Decrypt files on Android Phone from settings of his device without installing a Third Party App. To try this method Encrypt & Decrypt files on Android Phone, follow the steps written below.

  1. Open Settings in your device.Settings to Encrypt & Decrypt files
  2. Scroll the list till you find Security.Security settings encrypt phone
  3. Tap on Security, to open it.
  4. You will see two options under Encryption sub heading that are Encrypt your Device and Encrypt external SD card.Options security settings
  5. As soon as you tap on desired option, you will see a page as below.
  6. As the page says, you need to connect your phone to charger as this process is a time consuming process.
  7. You also need to set up Password lock as screen lock for your device.Things to do before encrypt
  8. Now all set, you can finally Encrypt your device/external SD card.
  9. Now tap on Encrypt device button at the bottom to start the process.Encrypt device option
  10. You can select the options as your prefer.
  11. Now tap on Encrypt device button at the bottom to start the process.
  12. Now you will see a progress bar.
  13. Your device can restart several times during the process and can take upto 1 hour to complete the process depending on amount of data stored.

You will not be able to use your phone during the process. Your all data will not be usable and will be corrupted in case the process is interrupted. Make sure your battery is atleast 80% charged before you start the process. You will be notified as soon as the process is complete.

Decrypt Files Using Settings

Decrypting your phone is as simple as Encrypting was. Decrypting process is very straight forward. Follow the steps written below to Decrypt your Android device.

  1. Open Settings in your device.
  2. Scroll the list till you find Security.
  3. Tap on Security, to open it.
  4. You will see Decrypt option under Encryption sub heading.
  5. Tap on it.
  6. You will see a page as you saw before Encryption urging you to connect your phone to charger.
  7. Now tap on Decrypt Phone option at the bottom of the screen.

Now your phone will restart several times and will give you back the original phone will all data intact. It will consume time depending on the amount of data.

Note- If you can not see Decrypt Phone option then you may need to factory data reset your phone. To factory reset your phone head to Settings > Backup and Reset and tap on Factory data reset option at the bottom of the screen. The further process is very straight forward. Make sure your battery is atleast 80% charged before you start the process.

Method 2:- Use Third Party App To Encrypt & Decrypt Files On Android

In order to encrypt selected files on your Android device, you can use a Third Party app to Encrypt & Decrypt files. To try this method, follow the steps written below.

  1. Before beginning with the process, user needs to download the app Andrognito 2 by clicking on download button below.Download from playstore
  2. As soon as the app installs, user needs to open it from app drawer.
  3. For the first time, user needs to register by entering his Name and 4-digit PIN that will protect his data from intrudersEnter name & pin.
  4. Done? Tap on arrow to proceed to next page.
  5. You need to enter 4-digit PIN again to confirm the action.
  6. It will ask a security question in case you forget the PIN.
  7. Now you will see a page were you need to enter name of vault and 4-digit PIN for that vault.Enter vault details
  8. Tap on Pink button when done.
  9. Now you can import and encrypt files to vault by pressing “+” icon.
  10. You can import multiple files at a single time.Add any file
  11. As soon as you have imported the files, tap on lock button on top right corner to encrypt the files.Lock files
  12. You will see an orange button with tick on it to indicate that files were successfully imported and encrypted.

You can now be sure that your data is safe and can not be misused.

Decrypt Files Using Andrognito 2.

To decrypt files using Andrognito 2, follow the steps below.

  1. Launch Andrognito 2 from app drawer of your Android Smartphone.
  2. Now you will need to enter the 4-digit PIN to get access to your vault.
  3. Now you will see a list of files which you have encrypted earlier.
  4. Tap on the name of files you want to decrypt for sometime.Unlock files
  5. As you will see the desired file selected, tap on Unlock button on top right corner of the app.Decryping process progress

Your files are now Decrypted and you can now access them from the location they were saved earlier before encrypting. You will be able to access them as normal files you used to access earlier.

So these were two methods using which you can Encrypt & Decrypt files on Android Phone. Do tell us guys which method you used to Encrypt & Decrypt files on your device in comments section below.

1 COMMENT

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