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[RECOVERY][ROOT]TWRP 3.1.0-1 Samsung Galaxy Tab S3 SM-T820/T825

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By ashyx, Recognized Contributor on 30th March 2017, 08:22 AM
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Unofficial release -TWRP recovery for the Samsung Galaxy Tab S3 - SM-T820/T825, Qualcomm MSM8996



TWRP 3.1.0-0 Released
Mar 10, 2017

TWRP 3.1.0-0 is out now for all currently supported devices.

What's new in 3.1.0-0:


vold decrypt on a few select HTC devices, TWRP will now attempt to use the system partition's vold and vdc binaries and libraries to decrypt the data partition (nkk71 and CaptainThrowback)
adb backup to stream a backup directly to or from your PC, see documentation here (bigbiff)
tweak MTP startup routines (mdmower)
support new Android 7.x xattrs for backup and restore to fix loss of data after a restore (Dees_Troy)
support POSIX file capabilities backup and restore to fix VoLTE on HTC devices and possibly other issues (Dees_Troy)
better indicate to users that internal storage is not backed up (Dees_Troy)
improve automatic determination of TW_THEME (mdmower)
minimal getcap and setcap support (_that)
try mounting both ext4 and f2fs during decrypt (jcadduono and Dees_Troy)
shut off backlight with power key (mdmower)
timeout during FDE decrypt (Dees_Troy and nkk71)
support for FBE decrypt and backing up and restoring FBE policies (Dees_Troy)
boot slot support (Dees_Troy)
TWRP app install prompt during reboot (Dees_Troy)
support for AB OTA zips (Dees_Troy)
support new Android 7.x log command (Dees_Troy)
update recovery sources to AOSP 7.1 (Dees_Troy)
numerous bugfixes and improvements by too many people to mention

Official TWRP App
Mar 11, 2017

Official TWRP App
The official TWRP app is the first and only first-party app developed by Team Win for TWRP. Please bear with us as we work to fix any bugs and build out the features. The initial version of the app does not support flashing on the Pixel due to the Pixel's A/B partition layout. In addition, the app may not support finding and flashing images from external storage locations. We are working hard to improve these items and bring you more new features.
Download Links:
We recommend downloading the app from the Play Store.

If you do not have Play Store access, you may download the Official TWRP App here: https://dl.twrp.me/twrpapp/
How do I use the app?
When you first open the app, you will be greeted by a few options. First, you will need to agree not to hold us responsible for anything that happens to your device while using the app. You may also grant the app root permissions. The app will work without root, but some functionality like image flashing will be disabled. Lastly, you can opt into enabling InsightCore (more on this feature later).

Once you have passed this initial screen, you will be greeted with the app home screen where you can choose TWRP FLASH or NETWORK STATISTICS (more on the network statistics later). On the TWRP FLASH screen you will need to select a device. Once you have selected a device, the app will periodically check for new TWRP versions for the device that you have selected. The default interval is once per day, but you can tap on the settings icon in the upper-right to change the interval or disable the update check entirely.

If you enabled root access, you will see options for selecting an image and buttons for flashing the selected image to boot or recovery. Note that you should flash TWRP images to recovery. The boot image flashing is for flashing full boot images (not just kernel zImages) and should not be used for flashing TWRP.

INSTRUCTIONS TO USE ADB BACKUP:
https://www.droidorigin.com/take-adb...twrp-v3-1-0-0/



Update 30/3/2017
TWRP 3.1.0-1 NN build released.

Current status: BETA

Features:

[B]MTP working
ADB working
SEANDROID warning fix
TWRP and Kernel built from latest source
Factory Image flashing(see below) >> to be added
NTFS support
F2FS support >> To be added
Twrp app support



WHATEVER YOU DO BEFORE FLASHING ANYTHING WITH TWRP MAKE A BACKUP OF YOUR DEVICE WITH TWRP AND HAVE THE STOCK FIRMWARE TO HAND JUST IN CASE DOWNLOADED FROM SAMMOBILE OR UPDATO.
THIS WILL TRIP KNOX AND MAY VOID YOUR WARRANTY!




Instructions:


Flash with ODIN in the AP slot.
Put your device in DOWNLOAD mode.
Uncheck Auto reboot.
Load the respective file below into the AP slot and hit start.
After flashing and ODIN reports PASS immediately reboot to recovery by holding POWER + HOME + VOL DOWN.
As soon as the screen goes blank change to VOL UP whilst still holding POWER + HOME.
You should now see TWRP recovery.


NOTE: ON SOME ANDROID 5.1.1/6.0/7.0 DEVICES IT IS NECESSARY TO GO TO:
Settings -> Developer Options -> OEM unlocking
AND ENABLE OEM UNLOCK FIRST OR YOU MAY ENCOUNTER 'BLOCKED BY FRP LOCK' WHEN FLASHING.


DOWNLOAD - UPDATED 3/5/2017:
twrp_3.1.0-1_sm-t820_AQD6

twrp_3.1.0-1_sm-t825_AQD6



IMPORTANT! This device enforces dm-verity. ANY modifications or even mounting system will put the device into a bootloop. To prevent this TWRP will ask at first boot if you want to keep system 'Read only' or 'Allow modifications to system'. If you choose to keep 'Read only' you will have to flash TWRP at every boot to recovery.
If you choose to 'Allow' then SuperSU or the boot patch needs flashing below to disable dm-verity.




To Root:
Flash the latest SuperSU release with TWRP:
https://forum.xda-developers.com/app...2-05-t2868133/



To disable forced encryption, mount internal storage(DATA) and disable dm-verity:
(Note this MUST be flashed after SuperSU if you intend to root)
1. Boot to Twrp
2. Format Data partition using FORMAT DATA button under Wipe options.
(Note: This will wipe the internal storage)
3. Check DATA is mountable.
4. Install SuperSU (if root is required)
5. Install boot image patch below.
6. Reboot

Boot image patcher
no-verity-no-encrypt_ashyx




DEVICE TREE: soon


PLEASE DO *NOT* DIRECT LINK TO THESE FILES. PLEASE LINK TO THIS POST













Credits: Me, my testers @suzook, @jonathonalexander, Teamwin
Please note I don't own this device and spend a lot of my free time bringing these builds for you to use and benefit from.

FEEDBACK IS APPRECIATED PLEASE.
THANKS.


DONATE ME HERE IF YOU WANT TO BUY ME A BEER OR HIT THE THANKS BUTTON IF I HELPED YOU



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30th March 2017, 08:38 AM |#2  
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30th March 2017, 10:19 AM |#4  
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30th March 2017, 10:25 AM |#5  
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Quote:
Originally Posted by ashyx

How do you mean it bootloops? I thought you said that you were able to mount the partitions and flash supersu?

I can. It flashes, and boots to TWRP., Partitions are mounted. But I can never reboot to system. It winds up bootlooping, even without flashing SuperSU.
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30th March 2017, 12:09 PM |#6  
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Quote:
Originally Posted by suzook

I can. It flashes, and boots to TWRP., Partitions are mounted. But I can never reboot to system. It winds up bootlooping, even without flashing SuperSU.

Ah right, the issue isn't twrp, it's dmverity. If you allow modifications to system in twrp it triggers dm-verity which causes a boot loop.
To remedy this you need to disable it by either flashing SuperSU and/or the boot patch
Be aware that after flashing the boot patch you will need to FORMAT (not wipe) /DATA

The other alternative is to disable 'allow modifications to system'
However if you choose to disable modifications you will need to reflash twrp each time you reboot as it will be replaced by stock recovery.

.
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30th March 2017, 12:24 PM |#7  
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Quote:
Originally Posted by ashyx

Ah right, the issue isn't twrp, it's dmverity. If you allow modifications to system in twrp it triggers dm-verity which causes a boot loop.
To remedy this you need to disable it by either flashing SuperSU and/or the boot patch
Be aware that after flashing the boot patch you will need to FORMAT (not wipe) /DATA

The other alternative is to disable 'allow modifications to system'
However if you choose to disable modifications you will need to reflash twrp each time you reboot as it will be replaced by stock recovery.

.

Format data for me at this point is fine, as I'm starting fresh again. Where is this boot patch? Will give it a try tonight.
30th March 2017, 01:00 PM |#8  
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Quote:
Originally Posted by suzook

Format data for me at this point is fine, as I'm starting fresh again. Where is this boot patch? Will give it a try tonight.

Its in the first post.
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31st March 2017, 12:28 AM |#9  
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Originally Posted by ashyx

Its in the first post.

, TWRP flashed, booting, and making backups. Supersu....No good. It flashes, but I have NO ROOT. Thoughts?
its failing on the boot.img patcher it states boot.img not found.
31st March 2017, 06:19 AM |#10  
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Quote:
Originally Posted by suzook

, TWRP flashed, booting, and making backups. Supersu....No good. It flashes, but I have NO ROOT. Thoughts?
its failing on the boot.img patcher it states boot.img not found.

I need the recovery log after installing supersu and boot.img patcher.
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31st March 2017, 09:25 AM |#11  
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Quote:
Originally Posted by ashyx

I need the recovery log after installing supersu and boot.img patcher.


https://drive.google.com/file/d/0BwP...w?usp=drivesdk
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