Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
F
I just managed to install lollipop thanks to the advice of kyrylo who sent me on a tutorial very well explained: https://forum.xda-developers.com/nexus-4/general/how-to-how-to-flash-factory-image-t2010312 Merci à tous !