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Is Factory Reset the only way to remove data from an Android device ?

Ritam Dutta
26 Aug 2016
Read Time : 6 Mins
Is Factory Reset the only way to remove  data from an Android device ?

Smart phones have almost become the minimum necessity for every one of us. Smart phones are now becoming such an important gadget that people have with them almost the entire 24 hours in a day. It is said that these smart phones are not only used for digital communication, but also hold a whole bunch of personal user information like contacts, photos, videos, email and many more. So if one plans on selling off their smart phone or giving it away to someone else, it is very important to ensure that all the data on it is securely erased and the device is digitally wiped clean.

It's a very common misconception that doing a 'Factory Reset' is the ultimate way of securely deleting data from a smart phone. But the concept is wrong, as a file is not actually erased when it is deleted. Only the information it contains is marked as deleted/hidden into some other free location on the storage. Factory reset reverts a device to its default state. And although majority of data gets deleted this way, small bits of information like multimedia, email etc. might remain in the internal memory.
    
No worries, as it's easy to permanently erase anything and everything from and Android device. For those who are considering disposing off their old smart phones, this can come in really handy. Here are two ways of securely erasing data from an Android device.

  • Encryption of device storage:

Encryption converts data and information stored on a smart phone into a cryptic format before factory reset is initiated. Without proper decryption, the data just appears to be a muddled mess that makes no sense. Encrypting device storage ensures that even if some files are somehow left after a factory reset operation, they just appear as random rubbish and not the actual deal.


To encrypt device's storage, navigate to Settings > Security (or related setting) and tap on the 'Encrypt phone' option. Based on how much data is stored on the device, this may take a while. Once the encryption is done, factory reset can be performed.

 

  • Overwrite with throwaway data:

Although encrypting the device and then doing a factory reset is generally enough to erase all the data securely, doing a bit extra doesn't hurt. To do this, set up the smart phone after factory resetting it. Only this time, make sure no email details are added.


Once the setup is complete, record a junk video for as long as the internal storage on the device doesn't get filled up. Doing this will overwrite the free space with throwaway data.


If you follow the steps then you can sell your old smart phones and buy a new one without having any anxiety of not securing your important data.

 

Authored By Ritam Dutta

Ritam Dutta is an official partner of "Day On My Plate". He is an entrepreneur in mind and passionate blogger by heart. Moreover, he is also an academician, author, public speaker, investor, and internet personality.

 

Our Vision

A Platform of Bloggers to share idea in shorts. Day On My Plate provides latest tech tips, incorporates current feeds, lifestyle, travel, photography and education with video tutorials.

Author Name : Papri Ghosh [Co-Founder & Author ]

Papri Ghosh

Co-Founder & Author

View Details
Author Name : Ritam Dutta [Co-Founder & Author ]

Ritam Dutta

Co-Founder & Author

View Details
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