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[ROM][7.0][T810][ABANDONED] CyanogenMod 14.1 for Tab S2 9.7 wifi

878 posts
Thanks Meter: 1,267
By T_I, Senior Member on 22nd September 2016, 03:59 PM
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As Cyanogen pulled the plug on CyanogenMod, this project will continue under Lineage OS

This ROM is Alpha and not ready for daily use at the moment

CyanogenMod is based on the Android Open Source Project with extra contributions from many people within the Android community

First I would like to thank the following developers :
I used @RaymanFX's T815 image to base my cm 13.0 build on, which in turn is the base of this cm-14.1.

Before you start


 * Your warranty will be voided !
 * 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.

About the ROM

Current state of ROM : testing

Everything except what's reported below is working (or not yet reported as not working).

What is Fixed
  • In '20-09' build reboot to recovery triggers message 'Factory reset'. (wrong messagem not resetting)
  • Camera not working in selinux enforcing
  • Front facing camera unable to save image
  • Bluetooth not working
  • Hardware codecs not working (fallback to software for mp3/flac works)
  • Limited wifi 5GHz support (channels above 100 give issues)
  • Video recording not working? (not tested on T810, reported not working on T815)

What is not working

  • Fingerprint scanner not working

  • Compass is 180 degrees mis-aligned
  • Mic not working (no input routing)


How to install CM13.0
  • If you haven't run stock Android 6.x, flash that first with odin. (image won't boot without this step)
  • If you don't have TWRP yet, get it from here : TWRP by ashyx
  • Download the ROM and the Gapps that are located below to your device
  • Reboot into TWRP by holding VOL UP + POWER + HOME on boot
  • In case things go wrong make a backup
  • After the backup has completed return to home and select Wipe and then Advanced Wipe
  • Now ONLY tick Dalvik Cache, System, Data and Cache
  • After ticking those, Swipe below to wipe
  • Once the wipe has completed return to home and select the ROM
  • After you selected the ROM swipe below to install it
  • After the ROM has installed flash the Gapps
  • When all of this is done, reboot into system, wait, and enjoy CM12.1

How to ROOT
  • In CM 14.1 Enable the developer options
  • Select Root access
  • Select Apps Only
  • Done

Questions and bug reporting

The following questions will be ignored
  • Inappropriate questions
  • Forced orders, EX. : "PLS FIX!!!!!!"
  • ETA's
  • Often repeated questions usually by the same user
  • Requests that are out of CM's framework (Ex. Adding Samsung Apps)

How to report a bug/issue
  • Explain exactly what happens
  • Mention a log if you can (Please use hastebin or any other paste site to keep the thread clean)
  • If you can't mention a log, explain as precise as possible when, why and where it occurs!

08-12-2016 - Compile with curren cm-14.1 source and this patch.
25-11-2016 - Cm-14.0 is abandoned upstream, limiting uploads to cm-14.1.
           - Recompile with camera fix merged in cm sources.
21-11-2016 - Fixed camera (again).
20-11-2016 - Broke camera in enforcing mode (unable to save picture).
17-11-2016 - Recompile from clean tree, camera and youtube work now.
           - Confirmed lock-screen-rotate fixed, but only after clean flash and no restore of device ID.
14-11-2016 - First succesful cm-14.1 boot. (Switched project to cm-14.x)
31-10-2016 - Selinux set to enforcing.
12-10-2016 - Disabled telephony that got included regardless specifying I don't want it.
           - Fixed several bluetooth issues
           - Removed use of old api (v1) by camera
03-10-2016 - First build with cm-14.0 release (previous were staging builds)
           - Fixed bluetooth
25-09-2016 - Fixed selinux contexts for camera so it works in enforcing mode
           - Fixed front facing camera so it is able to save images.
22-09-2016 - Reboot to recovery now triggers correct message
           - 2nd build selinux permissive.
20-09-2016 - 1st cm-14.0 build


Latest CM 14.1 build :
All CM 14.1 releases can be found here :

Recommended GAPPS by : (I use pico)


Special Thanks to @RaymanFX for releasing his Exynos 5433 source, and already patching the common sources to cm-14.0, without him this ROM would most likely not be possible!

All my sources can be found here :



XDA:DevDB Information
CyanogenMod 14.1 for Tab S2 9.7 wifi, ROM for the Samsung Galaxy Tab S2

T_I, Raymanfx, CTXz
ROM OS Version: 7.x Nougat
ROM Kernel: Linux 3.10.x
ROM Firmware Required: Stock Android 6.x flashed at least once before install
Based On: Cyanogenmod

Version Information
Status: Alpha

Created 2016-09-22
Last Updated 2016-12-29
The Following 20 Users Say Thank You to T_I For This Useful Post: [ View ] Gift T_I Ad-Free
22nd September 2016, 08:28 PM |#2  
Senior Member
Thanks Meter: 266
Nice! Thank your very much for this early build!
I will try it as soon as I am able.

Sent from my SM-T810 using XDA-Developers mobile app
22nd September 2016, 11:17 PM |#3  
Senior Member
Thanks Meter: 87
GO hard brother, thanks for all your efforts!
23rd September 2016, 08:35 AM |#4  
T_I's Avatar
OP Senior Member
Thanks Meter: 1,267
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I've been using cm-14 since the 20-9 build, it's running pretty stable, although it's even more stable with selinux in permissive. Looks like some contexts have changed a bit in cm-14. (or the camera and some other routines ignore them)

I found 1 game not playing nicely with Nougat, CSR Classics, but the racing set from CSR work nicely, so I think that's a CSR related bug.
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24th September 2016, 04:40 PM |#5  
NalNalas's Avatar
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Flag Chicago
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I've had this flashed since last night, and the battery so far has been great. Thanks a ton for this.
25th September 2016, 10:57 AM |#6  
T_I's Avatar
OP Senior Member
Thanks Meter: 1,267
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Fixed camera so it'll work in selinux enforcing (not yet activated) and front facing camera is able to save images.

Updated OP.
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25th September 2016, 05:11 PM |#7  
ayziaa's Avatar
Senior Member
Flag Lyon
Thanks Meter: 23
Awesome thank you!
26th September 2016, 12:02 AM |#8  
Senior Member
Thanks Meter: 517
@T_I Thought you might like 2 comments re your really great adaptation of CM14. Have been using your CM13 nightly downloads for about the last 5 weeks on my T810 and was so pleased with the result that I was slightly hesitant about trying CM14, however this afternoon I took the plunge and installed it as per your instructions. First impression is that I can hardly believe how problem free the installation of the Rom and the Open Gapps 7.0 pico proved to be.
I don't have a huge number of apps installed, about 30, but with one exception they are all performing as scheduled and I couldn't be more pleased, the one app that doesn't work is "Set CPU", there is no "forced closure", no error message, it just doesn't work. There are no forced closures of any other app including the Google Play & Services.
One point which might interest you as you mentioned it in your "OP" notes. I play mp4 movies using the app "MX Player Pro" with the Arm 7 codec installed and they play using the HW+ codec perfectly,
Was initially disappointed that "Theme Chooser" was missing from "Settings" but I can live with that considering how well everything else performs.
Once more congratulations on a really superb "port".

EDIT on 09.27.... @T_I I know this point is insignificant and pure "eye candy" but I love the touch ..... I'm talking about when one connects a usb connection from PC to S2 then the "icon" displayed at top left is now "N" (for Nougat ?) instead of the normal CM icon.
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26th September 2016, 02:41 AM |#9  
Thanks Meter: 12
planning to attempt with the t710 again?lol
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27th September 2016, 07:11 PM |#10  
Thanks Meter: 24
Originally Posted by NalNalas

I've had this flashed since last night, and the battery so far has been great. Thanks a ton for this.

How much better would you say the battery life has been?

Would also appreciate input from anyone else whos noticed a difference (good or bad) with the battery life.
28th September 2016, 09:10 PM |#11  
Senior Member
Flag Dallas, Texas
Thanks Meter: 47
This ROM is working great so far!!
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