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(MOD) Dual/Tri Boot Galaxy Tab S 8.4 T700

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MrHomebrew

Senior Member
Hello I have made a very detailed video showing how to get Stock Samsung Lollipop (5.0.2) and CyanogenMod 12.1 (5.1.1) on the same tablet [T700 Canadian version] dual booting.


THIS IS DONE AT YOUR OWN DESCRETION and I am not responsible if something goes wrong or you do something wrong. I have repeated the process at least 10 times to see how it works. Even did it on a Samsung Galaxy S4 and Note 4 with no issues.



PLEASE TAKE YOUR TIME even watch the video a few times before you give it a try. In the end you can always flash stock Samsung Rom and do a factory reset.

I really enjoy using this feature and having the choice between two different roms on the same phone.

You can share apps from your stock Samsung Rom to your Cyanogenmod Rom without having to reinstall most of your apps. Saving lots of space.

I hope you enjoy.

Like.

Subscribe.

Click an add or two.

Thanks and a wonderful day.

Happy dual booting.



VIDEO LINK:

DEMONSTRATION USING Samsung Galaxy Note 4 Dual/TRI Boot/multi Rom SUPPORT (WARNING ⚠ AND VERY IMPORTANT!!!!
⚠ INSTALL YOUR SECOND AND THIRD ROMS ON DATA (NOT DUAL ON THE GALAXY TAB S 8.4) REPEAT INSTALL SECOND AND THIRD ROMS ON DATA (NOT DUAL)⚠:

https://youtu.be/CpegzNc4ZH0



DEMONSTRATION USING Samsung Galaxy Tab S 8.4 t700:

COMING SOON




Download Link Dual Boot Patcher:

https://snapshots.noobdev.io/




Download Link CM 12.1 (klimtwifi) WORKING ON T700 CANADA:

https://download.cyanogenmod.org/?device=klimtwifi




Download Link Cyanogenmod Google Apps:

http://wiki.cyanogenmod.org/w/Google_Apps



Thanks:

chenxiaolong
 
Last edited:

MrHomebrew

Senior Member
So by using FolderMount I am able to save so far 3gb of space on my data folder. I transfer app data to external SD card. Link the app data on external SD card with FolderMount which tricks the app into thinking it is installed on internal data.

Then I created a backup in FolderMount. Switch roms load FolderMount. Restore backup for FolderMount. Restore link app data locations because cm and touchwiz see external SD card different and FolderMount corrects this thankfully.

Click the green linking tab a few times and FolderMount will recognize the data.

As I said I have saved 3gb of room on my internal data having app data on external SD card.

If something like this was built into our dualboot patcher it would make things easier. Maybe if we spoke to the developer of FolderMount. If not using both FolderMount and Dual boot patcher I now have 3 roms on my Note 4 and almost 4gb free space on internal data between all 3 roms. Look at the pics of before in my previous comment and this one to see.

Just finding ways of maybe booting 4 roms on one phone.

Will report back.

Think I am on to something, let me know what you think. Give it a try possibly. I will be making a youtube video to help better demonstrate.
 

ashyx

Inactive Recognized Contributor
Oct 14, 2012
15,087
9,907
Is there a list of supported devices somewhere?
 

MrHomebrew

Senior Member

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ashyx

Inactive Recognized Contributor
Oct 14, 2012
15,087
9,907
Thanks. Would there be much work porting this over to the 10.5 models?
 

MrHomebrew

Senior Member
It can be done.

Download Storage Partitions from the play store.

Need screenshots of all the partitions from the app I just stated in the all partitions tab on the left.

Also need to know your ro.product.device= from system build.prop.


Look at pictures I am attaching.
 

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vishnu8058

Senior Member
Excellent!!. I was able to dual boot to CM 12.1 on Tab S 8.4 (SM-T700). Primary ROM is TW Detox and the secondary being CM 12.1. Successfully shared the apps across the ROMs.
The whole process took less than 5 minutes. Once again thanks for such a helpful post.
 

MrHomebrew

Senior Member
Excellent!!. I was able to dual boot to CM 12.1 on Tab S 8.4 (SM-T700). Primary ROM is TW Detox and the secondary being CM 12.1. Successfully shared the apps across the ROMs.
The whole process took less than 5 minutes. Once again thanks for such a helpful post.

Great to hear I am glad everything went smoothly for you. You are welcome and I am always happy to help and spread the word.
 
  • Like
Reactions: vishnu8058

sam.crowther

Senior Member
Aug 5, 2011
405
279
Brisbane
Samsung Galaxy S21
Yup. Easy. Edit your build.prop so that ro.product.device reads klimtwifi instead of klimtlte. I have successfully done this with chagalllte changing to chagallwifi.
@Leonidas87, can we get chagalllte and klimtlte added to this so we don't need to edit build prop? WiFi and lte variants are identical with the exception of sim card...
 

vinpor

Member
Mar 23, 2011
17
2
Melbourne
DEMONSTRATION USING Samsung Galaxy Note 4 Dual/TRI Boot/multi Rom SUPPORT (WARNING AND VERY IMPORTANT!!!!
INSTALL YOUR SECOND AND THIRD ROMS ON DATA (NOT DUAL ON THE GALAXY TAB S 8.4) REPEAT INSTALL SECOND AND THIRD ROMS ON DATA (NOT DUAL):

Hi

I managed to get CM12 installed is my secondary ROM on DATA on my Tab S 8.4. Is it the same process to install GAPPS?
If I chose data it installs it as a third ROM.
 

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    Hello I have made a very detailed video showing how to get Stock Samsung Lollipop (5.0.2) and CyanogenMod 12.1 (5.1.1) on the same tablet [T700 Canadian version] dual booting.


    THIS IS DONE AT YOUR OWN DESCRETION and I am not responsible if something goes wrong or you do something wrong. I have repeated the process at least 10 times to see how it works. Even did it on a Samsung Galaxy S4 and Note 4 with no issues.



    PLEASE TAKE YOUR TIME even watch the video a few times before you give it a try. In the end you can always flash stock Samsung Rom and do a factory reset.

    I really enjoy using this feature and having the choice between two different roms on the same phone.

    You can share apps from your stock Samsung Rom to your Cyanogenmod Rom without having to reinstall most of your apps. Saving lots of space.

    I hope you enjoy.

    Like.

    Subscribe.

    Click an add or two.

    Thanks and a wonderful day.

    Happy dual booting.



    VIDEO LINK:

    DEMONSTRATION USING Samsung Galaxy Note 4 Dual/TRI Boot/multi Rom SUPPORT (WARNING ⚠ AND VERY IMPORTANT!!!!
    ⚠ INSTALL YOUR SECOND AND THIRD ROMS ON DATA (NOT DUAL ON THE GALAXY TAB S 8.4) REPEAT INSTALL SECOND AND THIRD ROMS ON DATA (NOT DUAL)⚠:

    https://youtu.be/CpegzNc4ZH0



    DEMONSTRATION USING Samsung Galaxy Tab S 8.4 t700:

    COMING SOON




    Download Link Dual Boot Patcher:

    https://snapshots.noobdev.io/




    Download Link CM 12.1 (klimtwifi) WORKING ON T700 CANADA:

    https://download.cyanogenmod.org/?device=klimtwifi




    Download Link Cyanogenmod Google Apps:

    http://wiki.cyanogenmod.org/w/Google_Apps



    Thanks:

    chenxiaolong
    1
    Excellent!!. I was able to dual boot to CM 12.1 on Tab S 8.4 (SM-T700). Primary ROM is TW Detox and the secondary being CM 12.1. Successfully shared the apps across the ROMs.
    The whole process took less than 5 minutes. Once again thanks for such a helpful post.

    Great to hear I am glad everything went smoothly for you. You are welcome and I am always happy to help and spread the word.