Installing CyanogenMod 12.1 onto a Nexus 4

And so it came to pass that the Nexus 4, which was already a year old when I bought two years ago, started getting slow. I was hopefully initially that Android M (marshmallow), Google’s latest version of the operating system, would help: it apparently has a lower RAM footprint than L (lollipop). But unlike in the case of my Nexus 5 (which has already received the update) Google does not intend to ship M to Nexus 4s. Thus I had three three options: slug it out; hack a version of Android M onto it; or install a maintained fork that would (eventually) pick up the benefits of M. I chose the latter, going with the most popular fork: CyanogenMod, version 12.1 (a stable version 13 – i.e. one based on M – is expected around the New Year).

Installing CyanogenMod is not a walk in the park, even following the detailed instructions available on the CyanogenMod website and working out of Ubuntu. The following commands were useful ( is an OpenGApps package and TWRP is, well, TWRP).

Unfortunately the “stock” OpenGApps package doesn’t seem to fit in the system partition of a Nexus 4 (and hence use of Advanced Options is advisable). To ascertain how many Google Apps needed excluding, and to effect that change, the following commands were useful:

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