[ROM][OFFICIAL] CyanogenMod 12.0 - Nexus 7 Original Development

CyanogenMod is a free, community built, aftermarket firmware distribution of Android 5.0 (Lollipop), which is designed to increase performance and reliability over stock Android for your device.
Code:
#include
/*
* Your warranty is now void.
*
* I am not responsible for bricked devices, dead SD cards,
* thermonuclear war, or you getting fired because the alarm app failed. Please
* do some research if you have any concerns about features included in this ROM
* before flashing it! YOU are choosing to make these modifications, and if
* you point the finger at me for messing up your device, I will laugh at you.
*/
CyanogenMod is based on the Android Open Source Project with extra contributions from many people within the Android community. All the source code for CyanogenMod is available in the CyanogenMod Github repo. And if you would like to contribute to CyanogenMod, please visit Gerrit Code Review. You can also view the Changelog for a full list of changes & features.
IMPORTANT INFORMATIONS
We will not support users and answer questions from users which:
are running a custom kernel
have flashed mods
modified system files
didn't follow our instructions word by word
are unfriendly
WIKI
Official CyanogenMod Wiki: http://wiki.cyanogenmod.org/w/Grouper_Info
INSTRUCTIONS
First time installing CyanogenMod 12.0 to your Nexus 7 or coming from another ROM:
Read the official Wiki page
DO A BACKUP
Unlock your bootloader if you haven't done so already
Flash the preferred (touch / non-touch) Grouper recovery image from http://www.clockworkmod.com/rommanager via Fastboot
DO A DATA WIPE / FACTORY RESET
Push GApps and the CM 12.0 zip to your device
Boot into Recovery
Flash the CM 12.0 zip from SD card
Flash GApps for Lollipop from SD card
Reboot (be patient, "optimizing apps" takes a while)
Don't restore system data using Titanium Backup!
Restoring Apps + Data might cause problems and is not recommended, avoid it if possible!
Upgrading from earlier version of CyanogenMod 12.0:
Push the new CM 12.0 zip to your SD card
Boot into Recovery
DO A BACKUP
Flash the CM 12.0 zip from SD card
Optionally flash the most recent GApps for Lollipop if you encounter problems
Reboot (be patient, "optimizing apps" takes a while)
Upgrading from CyanogenMod 11.0:
Read the last paragraphs from http://www.cyanogenmod.org/blog/the-l-is-for-lollipop
DO A BACKUP
Push GApps and CM 12.0 ZIP to your SDCard
Boot into Recovery
Flash the CM 12.0 zip from SD card
Flash GApps for Lollipop from SD card
Reboot (be patient, "optimizing apps" takes a while)
DOWNLOADS
Official CM 12.0 builds: http://download.cyanogenmod.org/?device=grouper
ClockworkMod-Recovery: http://www.clockworkmod.com/rommanager (search for "Google Nexus 7")
Google Apps: https://s.basketbuild.com/filedl/gapps?dl=gapps-lp-20141109-signed.zip
CM compatible F2FS recovery: https://www.androidfilehost.com/?fid=95916177934528848
BUGS
Report bugs for nightly builds at https://jira.cyanogenmod.org/browse/NIGHTLIES. Please keep in mind that not all features are implemented yet and bugs are expected at this stage.
XDA:DevDB Information
CyanogenMod 12.0, ROM for the Nexus 7
Contributors
Thömy
ROM OS Version: 5.0.x Lollipop
ROM Kernel: Linux 3.1.x
Based On: AOSP
Version Information
Status: Nightly
Created 2015-01-08
Last Updated 2015-02-14

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Reserved
Nightlies now have experimental support for F2FS for /data and /cache. A compatible recovery is requiried.
WARNING
The F2FS version used by CM is newer than the one used by existing ROMs, recoveries and custom kernels. Features like inline_dentry and inline_data have been enabled to save disk space and improve the performance. Those features are not available on older kernels and this can cause corruption and data loss if you switch back! Just rebooting into a unsupported recovery can be enough. Always make a backup when you switch ROMs!
You can find a compatible recovery in the first post.

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Thnak you very much!

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Works only with ext4 partitions?

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Libertunas said:
Works only with ext4 partitions?
Click to expand...
Click to collapse
I use this partitions:
/system ext4
/data f2fs
/cache f2fs
Waiting for someone to post all-f2fs rom image to convert /system to f2fs

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Coming from stock i will flash this rom, just wondering which kernal you guys would advise me to install.
Dont want anything fancy, i want its to be fast and perhaps support setcpu (and work with this rom obviously)
---------- Post added at 01:28 PM ---------- Previous post was at 12:51 PM ----------
Hmm i tried to install this using team win recovery and it gave me the error:
Cant install this package on top of incompatible data. please try another package or run a factory reset
E: error executing update binary in zip .... location.

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Is the Grouper specific CWM recovery needed or will any recovery do?

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Slim1023 said:
Is the Grouper specific CWM recovery needed or will any recovery do?
Click to expand...
Click to collapse
I've used TWRP 2.8.3.0

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factory reset did the trick in CWM

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No f2fs full support?

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Ask to @adomol to convert it to All-f2fs
Or try yourself

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19dragon98 said:
Ask to @adomol to convert it to All-f2fs
Or try yourself
Click to expand...
Click to collapse
Sorry for the off topic question... i see the word "f2fs" coming by a lot.
I googled it and i know what it stands for now but why would i pick this over non f2fs?

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anheuer said:
Sorry for the off topic question... i see the word "f2fs" coming by a lot.
I googled it and i know what it stands for now but why would i pick this over non f2fs?
Click to expand...
Click to collapse
It makes the tablet a lot faster.

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19dragon98 said:
Ask to @adomol to convert it to All-f2fs
Or try yourself
Click to expand...
Click to collapse
how can I convert it to f2fs?

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Anyone else loose root?
---------- Post added at 02:31 PM ---------- Previous post was at 02:29 PM ----------
-Lawless said:
Anyone else loose root?
Click to expand...
Click to collapse
Never mind....must enable in Dev options I think.
---------- Post added at 02:43 PM ---------- Previous post was at 02:31 PM ----------
-lawless said:
anyone else loose root?
---------- post added at 02:31 pm ---------- previous post was at 02:29 pm ----------
never mind....must enable in dev options i think.
Click to expand...
Click to collapse
that did it

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It is very slugish on my tablet. Using stock kernel, anything else removes root. So if I want it to be smooth I should go for F2fs then?

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fosco_ said:
I use this partitions:
/system ext4
/data f2fs
/cache f2fs
Waiting for someone to post all-f2fs rom image to convert /system to f2fs
Click to expand...
Click to collapse
Are you sure? I got stuck on boot with /cache being f2fs.
Actually, it looks like f2fs doesn't work for /data either. It just prompts me for an encryption password.

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Rafase282 said:
It is very slugish on my tablet. Using stock kernel, anything else removes root. So if I want it to be smooth I should go for F2fs then?
Click to expand...
Click to collapse
I use this kernel: http://forum.xda-developers.com/showthread.php?t=2905589 and it's reaaally smooth. Be careful though, as it is still in alpha state. However development on it ist going pretty good [emoji106]

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battery life
how is the battery life on cm12?

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mohsanraza97 said:
how is the battery life on cm12?
Click to expand...
Click to collapse
Depends on your usage. Give it a try.