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[FAQ] [WIP] [ALPHA BUILD ] CyanogenMod 12 for i9300

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By RoadXY, Senior Member on 22nd November 2014, 11:00 AM
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I wanted to start a thread with the Frequently Asked Questions regarding the CM12 port of our beloved Galaxy S3 (GT-I9300)

Download

Latest version:

Quote:
Originally Posted by JustArchi

Beta 1 Download

Alternate Download via Google Drive
Alternate Download via 4shared

MD5: 46dbfa5cb28e0d4927c24d4c8cb75f87
SHA1: bcfc03c36acb5d6a861e2a188422364008a32dc8


Working:
- updater-script (flashing)
- kernel (booting)
- OpenGL (CPU rendering)
- MALI blobs (GPU rendering)
- HWComposer (not updated to latest nameless release)
- Rotation
- Camera
- WiFi
- Bluetooth
- NFC (Android Beam)
- Sensors (ALL!)
- Internal / External SD Card
- Vibration
- GPS
- RIL

Changelog
- Android 5.0.2
- Updated CM Sources
- Fixed Wifi issues
- RIL completely working
- Stock Camera working
- Bootloop Issues fixed

This is NOT A STABLE BUILD.

I STRONGLY suggest to use only stock kernel bundled with the ROM and ArchiKernel V1.6+, unless you want to face other issues

If you like what you're flashing, support your fellow i9300 developers: JustArchi, Moster2, arter97

Big kudos and thanks to dhiru1602


Manifest / Sources

XDA:DevDB Information
[WIP] [Beta 1] [2014-12-22] CyanogenMod 12 for i9300, ROM for the Samsung Galaxy S III I9300

Contributors
JustArchi, Moster2, arter97
Source Code: https://github.com/ArchiDroid

ROM OS Version: 5.0.x Lollipop

Version Information
Status: Alpha

Created 2014-11-12
Last Updated 2014-12-23


GAPPS download
Where can I download the latest GAPPS (Google Applications)?

https://s.basketbuild.com/gapps
Use the CM12 download link


Bugs
Known bugs:

smart lock with NFC crashes settings
Mobile network is always half the signal strength
Mute not working in calls


Message while flashing in recovery
I'm getting a message: "mount failed dev/block/mmcblk0p12 at /data: Device or resource busy"

That is because of the new type of flashing. It's still flashing though and takes a while. Be patient.


Bootloop
My device bootloops! What can I do?

Before thinking your device is bootlooping, give it at the very least 5 minutes, art takes a while to optimize during the 1st boot.

If that doesn't work, try philz latetst touch recovery.
Get it here
Download the .tar file if you want to flash using Odin.
Use the .zip file if you already have a custom recovery (CWM, TWRP etc)

If that doesn't work, get usefull logs.
See here...


Keyboard isn't working

[EDIT]
SOLVED IN BETA1!!!


Whaaa, I have no keyboard, whats wrong?
Enable "Hardware" on Keyboard settings


No 3G/data
Quote:
Originally Posted by Moster2

How to get working data

1. Download this small shell script here.
2. Put in on your internal storage /sdcard. Via file browser or

Code:
adb push data_on.sh /sdcard/
3. Open the terminal emulator app. Then type the following:
Code:
su
sh /sdcard/data_on.sh
Important: You need working root (supersu or superuser) and do this every time you enable 2G/3G data. Also, you have to have data enabled when executing this script.

Original Post: http://forum.xda-developers.com/show...ostcount=17207
Also thanks to Marco Magliona who gave a hint to that.


No status bar
I have no status bar and no lock screen, whats wrong?

Did you flash any other kernel? Use stock embedded kernel (reflash ROM to use stock kernel)


Wifi problems
How can I get wifi working on my murata chipped S3?

Try this:
http://forum.xda-developers.com/show...&postcount=739


SD-card problems
I'm unable to use my SD card!

EXT4 and a variety of other filesystems are not supported.
Only FAT32 is supported up till now (until CyanogenMod supports the orther filesystems)


Root
I lost root!

Flash SuperSU in recovery.
Download:
http://forum.xda-developers.com/apps...v2-05-t2868133

CM11 features
CM11 feature 'x' isn't working anymore/missing, when is it available again?

Don't ask for features or ETA's.
The devs are doing this in their spare time FOR FREE!
If you can, you can try to help by learning how to build and code the features (see Building your own CM12 build for the i9300 below)

Changelog
Mainly only new CM12 commits.

Best and easiest what you can do is check this site: http://www.cmxlog.com/12

Dual boot
Can I dual boot this ROM?

Yes:

Extended tutorial with screenshots here

well you can only dualboot LolliPop if it is 1st ROM, i.e you can not use multiboot.zip to flash the alpha CM12 to 2nd ROM directly
you have to backup current apps on the ROM,
wipe data/factory reset from Philz Recovery provided by arter97,
install the Alpha CM12 zip,
then flash arter97 kernel (4.0-beta1),
then flash multiboot.zip followed by the ROM you want and restore your apps when booting in the 2nd ROM

BUT...

- You can't do phone calls (IMEI and Baseband was OK)
- You can't pull down the notification bar, I tried, tried, one finger, two, staring it... but don't... T_T
Because of arter97 kernel


Nameless 2.0 commits
I found the commits of Nameless, can we use it to get 3G working?

No, those commits aren't complete yet.
See here


Building your own CM12 build for the i9300
Start learning by following this tutorial here:
http://wiki.cyanogenmod.org/w/Build_for_i9300


Donate
Awesome ROM, where can I donate to help the devs buy some beer?

You can donate on all dev on their profiles, all have option "Donate to me". Also You can see this option below my avatar on ledt this post. But don't forget I'm not developer.
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22nd November 2014, 11:12 AM |#2  
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Why FAQ thread here? And our i9300 is not Galaxy S2
22nd November 2014, 11:13 AM |#3  
gtsfreak's Avatar
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Its Galaxy S3 Not S2

Sent from my GT-I9300
22nd November 2014, 11:15 AM |#4  
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Quote:
Originally Posted by dmukhin

Why FAQ thread here? And our i9300 is not Galaxy S2

Could have posted it in General, I agree.
GT-I9300 = Samsung Galaxy S3
22nd November 2014, 11:20 AM |#5  
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Quote:
Originally Posted by RoadXY

Could have posted it in General, I agree.
GT-I9300 = Samsung Galaxy S3

look at 1st post, you wrote wrong device name
Quote:

I wanted to start a thread with the Frequently Asked Questions regarding the CM12 port of our beloved Galaxy S2 (GT-I9300)

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22nd November 2014, 11:21 AM |#6  
Lil Geeky's Avatar
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Quote:

I wanted to start a thread with the Frequently Asked Questions regarding the CM12 port of our beloved Galaxy S2 (GT-I9300)

first line of thread
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22nd November 2014, 11:25 AM |#7  
SignalX's Avatar
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this is not about development and should be in General forum!
22nd November 2014, 11:28 AM |#8  
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Quote:
Originally Posted by SignalX

this is not about development and should be in General forum!

Already asked a mod for a move
22nd November 2014, 11:29 AM |#9  
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Quote:
Originally Posted by jackq

look at 1st post, you wrote wrong device name

Thanks, got it, sorry.
22nd November 2014, 11:29 AM |#10  
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Quote:
Originally Posted by Lil Geeky

first line of thread

Got it, thanks.
22nd November 2014, 12:01 PM |#11  
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@RoadXY
I have installed cm12 alpha 2 (now update to 3) with multiboot zip as second Rom.... My first Rom is stock 4.3 and second Rom cm12 with working call.... I use the arter kernel In all the two Rom and I have last twrp

I do this:
-Have first Rom with arter kernel (beta2)
-go to recovery (last twrp) flash multiboot zip and, WITHOUT restart recovery flash cm12,gapps,arter kernel.... Than restart to first Rom and use aSwitch to go to second Rom.... Now you see cm12 bootanimation and WAIT a lot (I don't care how much time) first time I think is bootloop but after try again I'm waiting and is start.... After start i go again in recovery and after flash multiboot zip I flash the last beta of super Su to have full working root....
Hope this can helpful and add to faq

Added screens of cm+kernel version and aswitch to see I'm on second rom
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