When we talk about resetting an Android smartphone, we are talking about resetting it in terms of content: we then have a terminal in factory settings. This allows you to erase all personal data, passwords, applications, but also photos, videos, SMS or even telephone contacts. This is an important step, not to say essential before giving away or reselling a phone. In addition, formatting Android can be very useful to solve problems related to applications or phone features, which may be due to a virus, a failed update or faulty settings for which it is not working. sometimes proves difficult to determine the origin. Performing a hard reset Android is not, in itself, complicated, but it is however not a step to be taken lightly, insofar as it erases absolutely everything that you could have installed on the smartphone. It is therefore advisable to take precautions before carrying out the various steps to recover a virgin version of Android on your terminal.