Z:gnu-www-ja-android-and-users-freedom--a75f2d-Important firmware or drivers/en

Important firmware or drivers are generally proprietary also. These handle the phone network radio, WiFi, bluetooth, GPS, 3D graphics, the camera, the speaker, and in some cases the microphone too. On some models, a few of these drivers are free, and there are some that you can do without&mdash;but you can't do without the microphone or the phone network radio.