CyanogenMod

CyanogenMod ( ; CM) is a discontinued open-source operating system for mobile devices, based on the Android mobile platform. Developed between 2009 and 2016, it was free and open-source software based on the official releases of Android by Google, with added original and third-party code, and based on a rolling release development model. Although only a subset of total CyanogenMod users elected to report their use of the firmware, on 23 March 2015, some reports indicated that over 50 million people ran CyanogenMod on their phones. It was also frequently used as a starting point by developers o

LineageOS is an open source Android (AOSP)-based operating system for smartphones, tablets, and set-top boxes. It is community-developed and serves as the successor to CyanogenMod, from which it was forked in December 2016. As of 2025, there are about 4.5 million devices running LineageOS.

free software version of Android

Chinese smartphone