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

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By Leonidas87, Senior Member on 18th June 2015, 02:16 AM
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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
Last edited by Leonidas87; 18th June 2015 at 04:16 AM.
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18th June 2015, 09:51 PM |#2  
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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.
19th June 2015, 09:39 AM |#3  
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Is there a list of supported devices somewhere?
19th June 2015, 11:32 AM |#4  
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Quote:
Originally Posted by ashyx

Is there a list of supported devices somewhere?

Yes there is and here you go. Look at the attached pictures.
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19th June 2015, 01:07 PM |#5  
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Thanks. Would there be much work porting this over to the 10.5 models?
19th June 2015, 05:00 PM |#6  
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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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20th June 2015, 08:26 PM |#7  
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Heres my screenshot of my partitions for SM-T800 WiFi Tab S 10.5. @Leonidas87
ro.product.device=chagallwifi

Last edited by DUHAsianSKILLZ; 21st June 2015 at 09:40 PM.
21st June 2015, 07:53 PM |#8  
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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.
22nd June 2015, 02:42 PM |#9  
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Quote:
Originally Posted by DUHAsianSKILLZ

Heres my screenshot of my partitions for SM-T800 WiFi Tab S 10.5. @Leonidas87
ro.product.device=chagallwifi

I will look into it, thanks for the info.
22nd June 2015, 02:44 PM |#10  
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Quote:
Originally Posted by vishnu8058

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.
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