How to completely wipe android phone :
We all do complete wipe by factory resetting your android phone before selling. But do factory resetting completely erase the data on android phone ?
As many researchers have discovered, Data can be recovered from the android device even after it was factory reset. The recovery is done because whenever we factory reset the data itself is not deleted from the memory, it is just marked as empty, so when we insert/add other files the previous data is overwritten. If we sell android phone after doing a factory reset, then it possible to recover the data from it easily by using the perfect tools.So let’s gain some knowledge for being safe about how to delete the data which cannot be recoverable.
How to completely wipe android phone : Encrypt Your Phone
It is the best way which is used to prevent data from being recovered. By encrypting you data, your data is manipulated and locked. Here manipulated means your data is changed completely with some algorithms which is not easy to break. So once the data is encrypted it’s not a easy task for anyone to recover the data without the password which you have assigned while encryption.The devices running on android 6.0 Marshmallow (except some device) has compulsory required to have encryption for security. But not many device today (28 JUNE 2016) are running Marshmallow, So for others android device (android 5.x and below ) supporting encryption you can turn on encryption in Setting > Security > Encryption (Settings may be different in some phones) before factory resting your android phone.So you can now be sure that the data which are being deleted cannot be recovered unless and until you give the password.
How to completely wipe android phone : Overwrite Deleted data
But what if someone recovers the data and also breaks the encryption. So after encryption and factory reset you should overwrite the deleted data in the memory so that it become impossible for any one to recover the data (even by you).So after encryption and factory reset power on your phone and start recording the video with the highest quality until you memory gets full. Or you can do is fill you memory with the useless things which are not personal (like movies).After filling up you memory again factory reset your android phone. Repeat both the steps two to three times until you are confident that now your original data have been completely overwritten.This is the simplest trick to completely wipe android phone.If you have anything to add in “How to completely wipe android phone” you can by writing comments below.
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