Google has finally published the Android 5.0 factory image for the Nexus 4. Build LRX21T ships in the form of a 471MB download and has all of the tools to get an official build of Lollipop running on your retro Nexus smartphone, as long as you don’t mind a little heavy lifting.

In addition to a fresh start for Nexus 4 owners, this software can also be used as a rescue tool in the event that your other attempts to get Android 5.0 on your smartphone didn’t go too well.

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