3 free apps to permanently delete the files from your mobile

Do you want to sell your old mobile phone but you are afraid of leaving a file, photo or personal data on it? Formatting or factory reset is not always enough, because some residual files can reveal compromised data and information. In fact, many photographs and documents are hidden in second and third memories within the operating system Android , even if the mobile seems completely clean The best thing, without the need to be a root user (have superuser permissions), is to use one of these applications to permanently clean the files on your mobile.

Secure Wipe

This is an effective tool to get rid of or all types of hidden remnant files on mobile. Although, to be more exact, this application does not delete, but rather rewrites the free space In this way, it detects the different memories of the terminal (system, SD card and optional SD card) and filled with random bits said space With this, it is not deleted when complete the photos and files available in these memories, but it is modified to the point of not being able to be recovered Something that should even pose a difficulty in the forensic recovery processes .

However, its managers recommend delete all content manually and then use this application. For this it is possible to use applications like CCleaner and then use Secure WipeIn the case of this app, you only have to select the space to encrypt and click on the button Start Wiping Of course, it is advisable to keep the terminal connected to the current, since this process can take time.

The Free version of Secure Wipe can be downloaded via Google Play Store Of course, it is somewhat limited, since it does not protect call histories, contacts or SMS messages. Although CCleaner can, which is also available on Google Play forfree

Secure Eraser

This is another alternative to protect the hidden contents of the Android terminal. It has a philosophy similar to Secure Wipe, since it first takes care of completing the available memory by filling all the space with bits.After that, it is possible to delete the contents knowing that nothing detectable will remain in the internal or external memory of the terminal. In addition, it allows this space filling to be carried out with different methods: Random (random), 0000-0000 and FFFF-FFFF.

The Secure Eraser application is available completely free of charge through Google Play Store .

SDelete

In this case we are talking about another option something more visual and comfortable And it works like a file explorer to use. However, and according to its developers, it effectively gets rid of all permanently deleted content. To do this, all you have to do is navigate through the different folders and see the different types of filesHere you can select everything you want to delete permanently, even doing it in batches.

The application SDelete is available for free atGoogle Play Store Of course, you should activate the viewing of hidden files in the application settings menu to ensure that you have access to everything, in the same way that you must configure the type of deletion to be performed.