Phone factory reset

When you factory reset a mobile phone, you restore its original configuration. It is strongly recommended  that you reset your mobile phone in order to delete all your personal data (e-mail accounts, messages, photos, contacts etc.) before you give it back to your Secretariat or to the Telecom Services.

Nokia

Android

iPhone

Windows Mobile

Hard reset code


press: *#7370#


enter security code (default code :12345) 
Hard reset code : 


*2767*3855#
Settings -> General -> Reset -> Erase All Content and Settings Start screen -> About Phone -> Reset your Phone 


or


Start screen -> Settings -> About Phone ->Reset your Phone

Note that your personal data can also be stored on the SIM card memory. You can delete it going through the concerned menu (Contacts, SMS).

To know how to remotely wipe a Smartphone please follow this link.