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[ROM][6.0.1_r67][MTC20K][F2FS/EXT4]Android 6 AOSP on Grouper

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AndDiSa

Senior Member
Dec 2, 2009
3,529
4,695
Heidelberg
Well there is no need to fastboot flash boot.img / system.img if you later on flashing the OTA. TO be sure that everything is clean, I would do the following steps:
- fastboot erase boot
- fastboot erase system (-w if you would like to erase userdata, too)
- fastboot flash recovery (latest TWRP, if not already installed)
- fastboot reboot recovery
- flash latest OTA
- flash gapps
- reboot
 

gavster26

Senior Member
Feb 10, 2012
1,260
505
In The Xperia Forums ;)
Well there is no need to fastboot flash boot.img / system.img if you later on flashing the OTA. TO be sure that everything is clean, I would do the following steps:
- fastboot erase boot
- fastboot erase system (-w if you would like to erase userdata, too)
- fastboot flash recovery (latest TWRP, if not already installed)
- fastboot reboot recovery
- flash latest OTA
- flash gapps
- reboot
I tried just flashing just the ota zip but it wouldn't boot past the splash screen for some reason and it wouldn't logcat either. Is there a way to see if my storage is corrupt
 

AndDiSa

Senior Member
Dec 2, 2009
3,529
4,695
Heidelberg
@gavster26 Not that I am aware of ...
Are you in a bootloop? In that case the first thing I would try is wiping data. If this does not help either you could try to boot to recovery by pressing the vol- button only and then in recovery have a look at /proc/last_kmsg probably there you can find a hint what's wrong during boot.
 

gavster26

Senior Member
Feb 10, 2012
1,260
505
In The Xperia Forums ;)
@gavster26 Not that I am aware of ...
Are you in a bootloop? In that case the first thing I would try is wiping data. If this does not help either you could try to boot to recovery by pressing the vol- button only and then in recovery have a look at /proc/last_kmsg probably there you can find a hint what's wrong during boot.
@AndDiSa the os is running fine it just seems to think there's no storage
 

AndDiSa

Senior Member
Dec 2, 2009
3,529
4,695
Heidelberg
@gavster26 here the steps in short
- boot into recovery
- connect your pc with the device
- open an adb shell on your device
- umount /data
- umount /sdcard
- e2fsck /dev/block/mmcblk0p9 (if your /data partition is ext4 formatted)
- fsck.f2fs /dev/block/mmcblk0p9 (if your /data partition is f2fs fromatted)

But you probably should be a bit more familiar with these things before using it.
 

thierry+

Member
Feb 1, 2017
13
3
Can you enable Blutooth V4.0 (BLE) on this ROM?

Hi AndDiSa i love this ROM and it has been the only one i have used during 2016 when i changed from stock lollipop. Can i implore you to consider one last task for this ROM before you drop its development completely and that is to enable BLE. Apparently the BT chip has the capability but was not enable as cited
in this link....http://stackoverflow.com/questions/20669590/ble-on-nexus-7-me370t-with-android-4-4-2

"Basically, it seems that the Broadcom Bluetooth chipset within the 2012 Nexus 7 is Bluetooth 4.0 LE/Low Energy (BLE) capable, however, Google never certified it as such, only certifying to the then current v3.0 spec."

This link...https://github.com/manuelnaranjo/android_device_asus_grouper/commit/31756f3c0f364c9c7d07e8813a8b806ec0ddaded....has patches to enable it.

it has also been done by this chap here....http://forum.xda-developers.com/showpost.php?p=44948765&postcount=65.

I would add that this is probably relevant to the Android 7 development that you have started on this forum. I wait expectantly.

regards
 
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lollazzo

Senior Member
Oct 15, 2009
403
38
I am a newbie with nexus toolkit.
What I have to do to flash your rom? I have to put the file into the tablet and then flash it under the recovery, isn't it?
 

eschoenawa

New member
Mar 6, 2017
2
0
Berlin
Forced "Do not disturb"-Mode

A minor bug I found: reducing the notification sound level to zero forces the "Do not disturb"-mode on, that doesn't happen on my other Android 6 device.
 

Geko45

Member
Aug 3, 2011
49
25
Houston, TX
A minor bug I found: reducing the notification sound level to zero forces the "Do not disturb"-mode on, that doesn't happen on my other Android 6 device.
That's not actually a bug, that's default AOSP behavior. My Nexus 5 (running MM straight from Google) behaves like that. I don't really like it either, but it is what it is. Your other MM device must have overridden it somehow. I do think there is an Xposed module that can change that behavior.
 

Moosach

Member
Apr 27, 2011
29
3
Munich
Yes, I can test this myself, but it costs a lot more time than a quick answer here from some friendly fellow who did it already: Is this 6.0.1 AOSP here faster than 7.1.2 AOSP?

I'm using my grouper only for car navigation with TomTom app (because of the excellent traffic informations). For this usecase I'm looking for the best custom ROM, because the original last 5.somewhat is very slow, espc. when booting ...

Any comments or recommendations?

Thanx in advance.


Update: I'm now running the optimized CM11 version of user animatrix999 and am quite happy with it. Just what I was looking for.
 
Last edited:

skymaule

New member
Dec 15, 2012
4
1
Sound from headphone jack

I've installed the 20160908 build for 6.01 and it seems to be working very well. One problem is that when headphones are plugged into the jack, no sound from the phones nor does it cut off the speaker sound. So, in essence sound only comes from the speaker whether or not headphones plugged in. Has this been reported? Could this be a hardware problem, rather than software?

Thanks for any reply ...Edwin
 

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  • 86
    Features
    • AOSP based (latest security fixes from August 2016 applied)
    • Optimized for Grouper as a "low memory device" for smoothest user experience
    • Kernel updated to support uid_cputime
    • KSM enabled
    • ZRAM disabled (my be enabled using e.g. TricksterMod)

    Installation Instructions
    1. Update Recovery to TWRP 3.0.2
    2. Boot into Recovery
    3. Factory Reset (only needed if you are not already on Android 6 AOSP on Grouper)
    4. Install OTA-Package (Build 20160908) (md5: cd4d42e6fd726232c6aaab9652d1d016)
    5. Install Gapps for 6.0 (I used Benzo-Gapps)
    6. Install SuperUser v2.7x (systemless) (Optional)
    7. Wipe dalvik (Optional, but sometimes prevents some issues)
    8. Reboot

    As an alternative to flashing the OTA-Package, you can also flash the boot-.img and system-.img using fastboot.

    Btw.: I suggest to disable journaling on ext4 partitions (you might want to have a look at this thread and running fstrim regularly

    flash and use on your own risk!

    CREDITS,
    AOSP/Google and Dmitry Grinberg for great initial support and Ziyann for setting up the Grouper-AOSP repository

    Bugs:
    • ---

    Changelog
    • 20160908
    • 20160808
      • updated to 6.0.1_r62 (August security fixes)
      • updated the kernel with security fixes, too (CVE-2016-3840, CVE-2015-2686, CVE-2016-3841, CVE-2012-6701, CVE-2016-4482, CVE-2016-4578, CVE-2016-4569, CVE-2016-4578)
    • 20160708
    • 20160611
    • 20160503
    • 20160406
    • 20160309
      • updated to 6.0.1_r17 (March security fixes)
    • 20160203
      • updated to 6.0.1_r13 (February security fixes)
    • 20160115
      • minor performance optimizations
      • f2fs support
      • xmm_wakeup-patch included
    • 20160105
      • updated to 6.0.1_r10 (January 2016 security fixes)
    • 20151229
      • fixed issue with WIFI location (thanks to Dumonde)
      • fixed issue with 720p60
      • ZRAM reduced to 100MB
      • probably fixed issue with Bluetooth audio (feedback appreciated)
    • 20151220
      • move autorotation fix from frameworks/base to kernel (thanks @Ziyan)
    • 20151217
      • reorganize repository
      • minor changes in sepolicy
      • fix OTG for non root applications

    Downloads

    Version from 09/08/2016
    OTA package 20160908
    Version from 08/03/2016
    OTA package 20160803
    Version from 07/11/2016
    OTA package 20160711
    Version from 06/11/2016
    OTA package 20160611
    Version from 05/03/2016
    OTA package 20160503
    Version from 04/06/2016
    OTA package 20160408

    Version from 03/09/2016
    OTA package 20160309

    Version from 03/02/2016
    OTA package 20160203

    Version from 15/01/2016
    OTA package 20160115

    Version from 05/01/2016
    OTA package 20160105

    Version from 29/12/2015
    OTA package 20151229

    Version from 20/12/2015
    Boot-image 20151220
    OTA package 20151220

    Version from 17/12/2015
    OTA package 20151217

    Version from 09/12/2015
    OTA package 20151209
    Boot-Image 20151209
    System-Image 20151209


    Sources
    https://github.com/AndDiSa

    If you would like to build from the sources, you can do so by cloning and build from repositories:
    but please take in mind that you need to have some free space (>= 100 GB) and some time ...

    XDA:DevDB Information
    Android 6 AOSP on Grouper, ROM for the Nexus 7

    Contributors
    AndDiSa
    Source Code: https://github.com/AndDiSa?tab=repositories

    ROM OS Version: 6.0.x Marshmallow
    ROM Kernel: Linux 3.1.x
    Based On: AOSP

    Version Information
    Status: Stable

    Created 2015-12-10
    Last Updated 2016-09-09
    15
    Updated to 6.0.1_r13 (MMB29U) with the Februar 2016 security fixes, new Link in the OP.
    14
    A new version of the ROM containing the August security patches is out ... You can download it from here or from the OP.

    For some time the OTAs were having always the same kernel / boot.img, this time there is an updated version integrated having several security patches applied.
    14
    New version uploaded
    Changes:
    13
    Just updated and uploaded the OTA package for 6.0.1_r10.