[ROM][5.1.1][OFFICIAL] CyanogenMod 12.1

Keep the lowram flags?

  • Yes

    Votes: 57 68.7%
  • No

    Votes: 26 31.3%

  • Total voters
  • Poll closed .
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Aug 1, 2013
Is anybody else having trouble recording video? Mine looks all scrambled and with green and purple lines appearing randomly. Happens, for example, when recording an instagram story.

Enviado desde mi Galaxy Nexus mediante Tapatalk


Senior Member
Mar 15, 2012
anyone can mirror cm-12.1-20160501-NIGHTLY-maguro.zip

The last I have is cm-12.1-20160719-SNAPSHOT-YOG7DAO8DL-maguro.zip which I googled and found a link to here: https://www.androidfilehost.com/?fid=817550096634748484

I ran that ROM for a year or more and it works great! But please note that ziyan endorsed CM13 last year too. And CM13 has become lineage 13, which you can find here: https://forum.xda-developers.com/galaxy-nexus/development/rom-cyanogenmod-13-0-02-11-t3312784
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    For instructions about installing or building for maguro, see the CyanogenMod wiki page.

    The latest builds are available at http://get.cm/?device=maguro.

    Known Issues page for the Galaxy Nexus (GSM) (not updated yet)

    Google Apps can be found at http://wiki.cyanogenmod.org/w/Google_Apps - beware that if you choose OpenGApps, only the pico version will fit, unless you change your partition sizes!

    Want to support development? You can consider donating, I spent countless of hours with this :)

    XDA:DevDB Information
    CyanogenMod 12.1, ROM for the Samsung Galaxy Nexus

    Ziyan, MWisBest, Everyone else who helped me: AOSP, Hashcode, ...
    Source Code: https://github.com/CyanogenMod/

    ROM OS Version: 5.1.x Lollipop
    ROM Kernel: Linux 3.0.x

    Version Information
    Status: Snapshot

    Created 2014-12-01
    Last Updated 2016-07-20
    After countless unofficial builds and hours spent with this, I am happy to announce that maguro is now considered stable enough to get official CM12.1 nightlies :) moving on to CM13 after I find some time, which will hopefully become a nightly soon as well, since the hard part of the work is now done ;) updated the OP accordingly (the builds in the downloads section will stay up for a couple days, just in case there's a problem we need to compare with an older build).
    Sorry for not being active lately guys, I was busy, as my new semester just started :( but don't worry, I didn't forget my plans for this, I'll release a new build soon :)
    New build up. Changes:
    - reclaimed ~6 megabytes of userspace RAM
    - enabled video stabilization, exposure and whitebalance lock in the camera HAL (our ducati supports these, but it's not advertising it! what a *****...)
    - disabled dex2oat watchdog (this should make the optimizing apps dialog on every boot disappear, and hopefully fixes installing large apps)
    - synced with CM repos (01/01)

    I also switched back the default I/O scheduler to BFQ - I hope that the lockups some of you experienced were caused by an older CM bug (they made some BFQ-related platform changes).
    If anyone encounters another one, and wants to switch back, simply change sys.io.scheduler to cfq in /system/build.prop. Alternatively, use your favorite kernel settings app to change to CFQ on boot (but I'd recommend changing build.prop instead - I think Kernel Adiutor has a nice interface for editing it). And remember: if it locks up again, no need to remove the battery: just hold down the power button for at least 10 seconds, and the device will turn itself off.

    will 13 come :fingers-crossed:
    As soon as I'm satisfied with the results (currently, I'm not - looking at you, memory management).

    The folks over at the S3 camp are enjoying a nearly bugfree CM13 with 3.0 kernel. Funny if you look back at codewokx swearing while getting CM9 to work (camera was a pain).
    - they received official KitKat update with proper drivers and stuff, tuna only got 4.3 (Samsung updated their EGL blobs for KitKat, meaning they didn't have to port over to a new kernel like we did, and didn't have to switch to a newer camera and domx hal)
    - there's at least 10 people actively maintaining it over CM
    - their user and developer community is at least 10x bigger

    I can't express how hard and time-consuming it is to maintain tuna with only two active developers :(
    Just a heads up, the flashlight toggle has been fixed, but CM's ffmpeg **** broke the domx, so video playback is now gone, I already have the fix composed in my mind (lol), just need to test it... my finals are here, so I'm pretty busy now, but I'll try to fix and upload a new build in the next few days :)