To bridge the gap between Android distributions and true mobile phone freedom, the Free Software Foundation (FSF) has launched an initiative called Librephone.
It's not an attempt to build yet another mobile operating system. Rather, the goal is to develop replacements for proprietary blobs – binaries without associated source code – in Android device firmware that limit software freedom technically or legally.
Google's Android operating system and Apple's iOS both limit that freedom through contractual rules and intellectual property rights. While alternative mobile operating systems exist, often distributions based on the Android Open Source Project (e.g., LineageOS), they may contain proprietary blobs related to specific vendors (e.g., Qualcomm). Such blobs, which often handle functio