Android 5.0 Lollipop Firmware Download – Essential

: Official open-source packages for Android 5.0 Lollipop firmware for various Lenovo tablets and smartphones, including the Lenovo A5000 and YOGA Tablet 2 .

: A 17-step technical guide for using the XperiFirm tool and Flashtool to manually update Sony Xperia devices. android 5.0 lollipop firmware download

: The official Android Developers page detailing the API changes and technical features of the release. Firmware Source Code & Custom ROM Guides : Official open-source packages for Android 5