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[SM-G850F][SLTE] CyanogenMod 13.0 UNOFFICIAL BETA7 (Android 6.0) - UPDATE: 2016-11-12

modpunk

Recognized Contributor
Oct 14, 2011
1,692
6,424
113
ABOUT THE GALAXY ALPHA CM-13.0 PROJECT

I'm working on getting CyanogenMod working on the Galaxy Alpha since October 2014. This ROM is not complete. There are still features which are not fully working and there are for sure things which need bugfixing. Please check the Known Bugs section before reporting issues.

I work on this project for FREE and putting in a lot of hours into it. A small donation would help to buy better tools to improve the development some day.

RECOVERY

To be able to install the ROM you need a recovery. I suggest to use my TWRP Recovery build. You can find it here.

BACKUP

Before installing the ROM you should create backups. The most important backup is to create one of the EFS partition and store it on safe place on your computer. If something goes wrong you need to restore this partition. It holds information about your device, like the MAC address for your wifi and information for the radio.

DOWNLOAD

You are storing very sensitive information on your phone. You always have to be careful what ROMs you flash and whom you trust. If you don't trust me then don't use my ROM or compile it from source by yourself.
The ROM will be gpg signed with my key 0xCC014E3D. You can verify the ROM with 'gpg --verify cm-12.1-20150901-UNOFFICIAL-slte-beta1.zip.asc '.

Detailed information and instruction for Windows can be found here.

Download BETA

FLASHING THE ROM

As this is a Marshmellow (Android 6) based ROM you need to flash sboot (bootloader) and the modem image from one of the latest LL releases. Or install a LL ROM via the Samsung update option. You can find the latest stock ROM here. Suggested modem version is: G850FXXU2COK6 or newer

I suggest to put the ROM on a USB disk and use a USB OTG cable to flash the ROM. It is also possible to put it on the emulated sdcard and flash it from there.

GAPPS

I suggest to use Open GAPPS.

REPORTING BUGS

Give the programmer some credit for basic intelligence: if the program really
didn't work at all, they would probably have noticed. Since they haven't
noticed, it must be working for them. Therefore, either you are doing something
differently from them, or your environment is different from theirs. They need
information; providing this information is the purpose of a bug report. More
information is almost always better than less.
Before reporting bugs, please check the KNOWN BUGS list below and read THIS HOWTO

XDA:DevDB Information
[ROM][SM-G850F] CM-13.0 UNOFFICIAL ROM, ROM for the Samsung Galaxy Alpha

Contributors
modpunk, raymanfx
Source Code: https://git.cryptomilk.org/projects/android/android_device_samsung_slte.git/

ROM OS Version: 6.0.x Marshmallow
ROM Kernel: Linux 3.10.x
ROM Firmware Required: TWRP/CWM Recovery
Based On: CyanogenMod

Version Information
Status: Beta
Current Beta Version: 7
Beta Release Date: 2016-11-12

Created 2016-01-16
Last Updated 2016-11-12
 

modpunk

Recognized Contributor
Oct 14, 2011
1,692
6,424
113
KNOWN ISSUES
  • FINGERPRINT: We do not have support for the sensor yet
  • VOIP: Uses an invalid route
  • RIL: SMS broadcast subscriptions aren't working (generic failure)
  • MEDIA: HEVC videos don't work

CHANGELOG

2016-11-12 + BETA7
  • Fixed security issues in the Kernel
  • Fixed issues with bluetooth on some devices
  • Cleaned up wifi configs
  • Fixed camera issues (video capture is working again)

2016-07-08 + BETA5

2016-06-15 + BETA4
  • Improved load balancing
  • Fixed voice echo cancellation processing
  • Several SELinux fixes

2016-04-11 + BETA3
  • Security fix for CVE-2015-1805
  • Fixed radio issues
  • Added higher resolutions to Snap camera
  • Several SELinux fixes
  • Several mobicore fixes (needed for fingerprint sensor in future)

2016-02-13 + BETA2
  • Updated Kernel sources to G850FXXU2COI3
  • Fixed some Kernel security issues
  • Improved power HAL
  • Switched to Snap camera
  • Fixes for gpsd with running armbands

2016-01-16 + BETA1
  • Initial M release
 
Last edited:

modpunk

Recognized Contributor
Oct 14, 2011
1,692
6,424
113
FREQUENTLY ASKED QUESTIONS

"It doesn't work."

Give the programmer some credit for basic intelligence: if the program really didn't work at all, they would probably have noticed. Since they haven't noticed, it must be working for them. Therefore, either you are doing something differently from them, or your environment is different from theirs. They need information; providing this information is the purpose of a bug report. More information is almost always better than less.

Please read How to Report Bugs Effectively

My modem doesn't work, what can I do?

Did you flash the latest MODEM firmware from the latest Lollipop release? The suggested firmware is at least G850FXXU2COK6 or newer

How do I use adb/logcat go get logs from my device

You can find a good tutorial here.
 
Last edited:

Darkbepo

Member
Oct 3, 2013
31
3
0
Yo Modpunk :) congrats on getting this far! Now people will at least ***** less about when CM13 will be out lol :p
Quick question.. If I have your newest CM12.1 ROM installed, will there be any issues installing CM13 through that or do I still need to flash something beforehand? My phones modem version shows as G850FXXU1COF1, dunno if that's a newer or older version :3
 
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cacahuttes

Member
Apr 29, 2009
12
1
0
hello i just put your rom on my alpha , everything works , the GPS sets slowly , the echo when you put the speaker in a conversation . but this is resolved by lowering the sound. renault car kit works it's great. for a first it's very positive I congratulate you .
 
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omarmonajed

Senior Member
Sep 6, 2015
340
88
28
Amazing news man and Thanks a lot for your hard work,but is anyone having problems with the camera when switching to video recording ?
Yes I experienced this but you can easily install any camera app. Otherwise the Rom in comparison to resurrection is less laggy with buttery smooth transitions. Best rom till now!

Sent from my SM-G850F using Tapatalk
 

nuno.f.ferreira

Senior Member
Jan 12, 2015
171
71
0
Yes I experienced this but you can easily install any camera app. Otherwise the Rom in comparison to resurrection is less laggy with buttery smooth transitions. Best rom till now!

Sent from my SM-G850F using Tapatalk
Video recording works for me. Anyone knows which version of supersu is appropriate?

Sent from my Nexus 7 using Tapatalk
 

omarmonajed

Senior Member
Sep 6, 2015
340
88
28
Could I update straight from your latest CM12.1 rom, without flash stock, wipe etc.?
Don't think so... Maybe you can if you have the latest modem.

Sent from my SM-G850F using Tapatalk

---------- Post added at 10:57 AM ---------- Previous post was at 10:57 AM ----------

Could I update straight from your latest CM12.1 rom, without flash stock, wipe etc.?
I think it depends on the modem version

Sent from my SM-G850F using Tapatalk