Cynanogenmod is the most popular
aftermarket firmware.
CyanogenMod, a free, community built,
aftermarket firmware distribution for Android operating systems offers customized versions of the latest OS that can be installed on devices independent of its original firmware.
CyanogenMod, a free, community built,
aftermarket firmware distribution of Android 4.2 Jelly Bean, offers features that are not found in the official firmware distributed by vendors of the supported devices.
However, there are
aftermarket firmware project across the Web, such as CyanogenMod, who attempt to surpass this barrier through offering updates for hardware direct.