To get back full control of your device and to extend its usage lifetime, you can install a Free Software operating system. Installing an operating system on an Android device is called "flashing". You can choose to install a complete GNU/Linux system. A Free Software alternative system based on the original Android operating system is called a "custom ROM". If you want to install a custom ROM on your phone, there are many ROMs to choose from. Replicant puts its focus on freedom by offering 100% Free Software, including the drivers.