Android Builds ACU50C and ACU56E Pop Up in Android Code Branch

Typically, we'd be excited to see some new builds of Android floating around AOSP, but we're a bit confused with these. As most of you know, the build numbers start with the letter of the version of Android it's running. Like KOT34B is running KitKat, and so on. So the A, in these builds are a bit strange.

For those that don't know, when dissecting these builds the first letter is for the version of Android, the second letter is identified by the branch code Google used in that build. The third is the quarter starting with A which was Q1 2009, then the two numbers represent the day number in that quarter, and the final letter stands for the individual versions related to the same date code.

So with the ACU50C, we're looking at a build of Android built in Q1 of 2014, on the 50th day, which would be February 19th, and it's the second build of the day (since the letter A is omitted making C the second build). While the ACU56E would have been done on February 25th, and is the 4th build of the day. But we still have no idea what the 'A' at the beginning is for. Google has never used A in the beginning of their builds, since Google initially started with Cupcake. So it's pretty strange to us here at Android Headlines, and the source has no idea what it could be either.

Perhaps these are the builds for the new version of Glass? But then again that's KitKat and should have a K at the beginning not an A. Hopefully we'll find out soon, either by official announcement from Google or other means. But if these builds are indeed real, we'll probably see them pop up again somewhere else. Does anyone have any ideas what version of Android these builds could be for? Let us know in the comments below.

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Alexander Maxham

Section Editor
Alex has written for Androidheadlines since 2012 as Editor of the site and traveled the World to many of the biggest Smartphone and Technology events. Alex has a background in Technology and IT and Deep Passion for Everything Android and Google. His specialties lay in Smartphones of all budgets, Accessories, Home Automation and more. Contact him at [email protected]
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