[TWRP 3.2.1-1] [ROOT] Tab A SM-T380/T385 - 10/02/2018 - Samsung Galaxy Tab A series ROMs, Kernels, Recover

Unofficial release -TWRP recovery for the Galaxy Tab A - T380/T385, Qualcomm MSM8917
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TWRP 3.2.1-0 Released
Dec 9, 2017
TWRP 3.2.1-0 is out now for most currently supported devices.
What's new in 3.2.1-0:
* minui fixes (cryptomilk)
* Better android-8.0 compatibility in ROM trees (Dees_Troy)
* Fix missing library in android-8.0 (nkk71)
* Fix inconsistent SDCard naming (DevUt)
* Default to TWRP restore instead of adb backup restore to fix restore on fresh TWRP boot
Update 05/01/2019
TWRP 3.2.3-1 OO build released.
Current status: Beta
Update 02/02/2017
TWRP 3.2.1-1 NN build released.
Current status: Stable
Features:
MTP working
ADB working
SEANDROID warning fix
TWRP and Kernel built from latest source
Raw SYSTEM image backup
NTFS support
Twrp app support
You flash this at your own risk. Please ensure you have the stock ROM to hand downloaded from SamMobile or updato.com in case of problems. This will trip the knox counter.
Instructions:
Flash with odin in the AP slot.
Put your device in DOWNLOAD MODE. (POWER +VOL DOWN +VOL UP)
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 POWER + HOME + VOL UP
You should now see TWRP recovery.
FAILURE TO FOLLOW THE ABOVE STEPS WILL RESULT IN TWRP BEING REPLACED BY STOCK RECOVERY
Do NOT boot the OS, move on to the root instructions below.
NOTE: ON ANDROID 5.1.1+ 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:
Oreo/Pie:
TWRP_3.2.3-1_sm-t380_4119
TWRP_3.2.3-1_sm-t385_5119
Nougat:
TWRP_3.2.1-1_sm-t380_15118
To Root:
Download the latest Magisk release:
https://forum.xda-developers.com/apps/magisk/official-magisk-v7-universal-systemless-t3473445
To disable forced encryption and mount internal storage (/DATA):
1. Boot to Twrp
2. Format the Data partition (NOT WIPE) using the FORMAT DATA button under Wipe options.
(Note: This will wipe the internal storage)
3. Check /DATA is mountable.
4. Install Magisk
OREO/PIE ONLY:
5. Flash the RMM bypass zip
https://forum.xda-developers.com/attachment.php?attachmentid=4481843&d=1524258795
6. Reboot
Kernel source T380DXU2BRK3: : https://opensource.samsung.com/uploadSearch?searchValue=sm-t380
TWRP recovery source: https://github.com/omnirom/android_bootable_recovery
PLEASE DO *NOT* DIRECT LINK TO THESE FILES. PLEASE LINK TO THIS POST
DONATE ME HERE IF YOU WANT TO BUY ME A BEER/COFFEE OR HIT THE THANKS BUTTON IF I HELPED YOU

---

Here is a question
Should I do it in TWRP?
https://forum.xda-developers.com/showpost.php?p=75542737&postcount=35

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mingkee said:
Here is a question
Should I do it in TWRP?
https://forum.xda-developers.com/showpost.php?p=75542737&postcount=35
Click to expand...
Click to collapse
Please do not quote the entire OP.
Please remove the quote.
I take it you are referring to the modifications?
It doesn't matter how you do it as long as you do it before reboot.

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ashyx said:
Please do not quote the entire OP.
Please remove the quote.
I take it you are referring to the modifications?
It doesn't matter how you do it as long as you do it before reboot.
Click to expand...
Click to collapse
Sorry for that.
It's browser problem which doesn't let me post without quoting
Firefox for Android.

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Thanks for your recovery.
Mine finally rooted.

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help me
help please, I can not install the twrp, odin tells me that everything is ok, and when I run the recovery it appears no command, my tablet is sm t380

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aquamoon1 said:
help please, I can not install the twrp, odin tells me that everything is ok, and when I run the recovery it appears no command, my tablet is sm t380
Click to expand...
Click to collapse
Did you see any error on the unit?
If it is a new machine, you have to wait 7 days for OEM Unlock in Developers Option shows up.

---

mingkee said:
Did you see any error on the unit?
If it is a new machine, you have to wait 7 days for OEM Unlock in Developers Option shows up.
Click to expand...
Click to collapse
No error and have 1 month with OEM unlocked

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aquamoon1 said:
help please, I can not install the twrp, odin tells me that everything is ok, and when I run the recovery it appears no command, my tablet is sm t380
Click to expand...
Click to collapse
You didn't follow the instructions in the OP. You have booted to stock recovery.

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There's a minor mistake to enter TWRP.
After flashing TWRP in Download mode, press and hold Volume Down and Power buttons, and as soon as the screen goes blank, press Volume Up + Power + Home buttons until you see "entering recovery"

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TWRP intstalled OK and Data partition formatted as instructed. SuperSU and boot image patch zips installed, rebooted and after two auto reboots the tablet powers down and is unresponsive. Can still manually boot to TWRP. ?? Any hints??

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Thanks for the guide, seems to have worked fine. Have TWRP, Root, Magisk on my Tab A T385 after following all the guides on this forum.

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Impossible. ALL THE GUIDES? There are so many errors and omissions in THIS guide, it's impossible that you could have successfully completed root by following it. I, too, researched other posts on other guides. Perhaps I missed something. It would be good to clean up THIS guide so others don't have to do it.

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NavyDave49 said:
Impossible. ALL THE GUIDES? There are so many errors and omissions in THIS guide, it's impossible that you could have successfully completed root by following it. I, too, researched other posts on other guides. Perhaps I missed something. It would be good to clean up THIS guide so others don't have to do it.
Click to expand...
Click to collapse
Maybe you shouldn't be attempting to root your device if you are incapable of following instructions that every one else seems to manage with just fine.
I suggest you try www.spoonfeeders.com.

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Didn't work for me. Tab SM-T380. Using Odin3 v3.11. OEM unlock is checked and running Build RB3. USB debugging is check too if that matters in download mode.
Do I need to flash back to stock firmware first? I don't think I read that I need to flash stock first, just that you said I should download it in case of a soft brick. Or do you think it might be my Odin ver. Honestly I don't know, every time I've done this on previous devises it worked, so not sure where to go from here.
My Tab says "Only official released binaries are allowed to be flashed"
Odin says...
Code:
<ID:0/004> Added!!
<ID:0/004> Odin engine v(ID:3.1101)..
<ID:0/004> File analysis..
<ID:0/004> SetupConnection..
<ID:0/004> Initialzation..
<ID:0/004> Get PIT for mapping..
<ID:0/004> Firmware update start..
<ID:0/004> SingleDownload.
<ID:0/004> recovery.img
<ID:0/004> NAND Write Start!!
<ID:0/004> RQT_CLOSE !!
<ID:0/004>
<ID:0/004> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)

---

Chrisrobbins30 said:
Didn't work for me. Tab SM-T380. Using Odin3 v3.11. OEM unlock is checked and running Build RB3. USB debugging is check too if that matters in download mode.
Do I need to flash back to stock firmware first? I don't think I read that I need to flash stock first, just that you said I should download it in case of a soft brick. Or do you think it might be my Odin ver. Honestly I don't know, every time I've done this on previous devises it worked, so not sure where to go from here.
My Tab says "Only official released binaries are allowed to be flashed"
Odin says...
Click to expand...
Click to collapse
Check for RMM state in Odin mode.

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ashyx said:
Check for RMM state in Odin mode.
Click to expand...
Click to collapse
As I was trying to find out what you where talking about. I discovered you where referring to a line of txt in download mode. So I went back to download mode to check. I didn't see the RMM line though. But I thought maybe I have to try to flash again to get that line. But oddly this time it passed. Crazy right? thx for the help tho...

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It's amazing that even Samsung's tablets are getting TWRP, even if they might not be as glorious as their phones.
Speaking of which, will TWRP 3.2.0 ever be able to support the older (and weaker) model of this device called an SM-T350? I'm out to build Android Oreo for those old tablets from three years ago and 3.1.1 does not seem to know what an Oreo is.
Sent from my OnePlus 3T using XDA Labs

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I'm in TWRP but when I try to boot to system I get suck in a boot loop. I think maybe I f**ked up. I forgot to put SU on my SD card and I wanted to do a backup before I booted to system. It wouldn't let me. So I tried wiping and it wouldn't let me do that. So I skipped a step and used the format option. That worked and then I made a backup, but it said something about reloading the data. Then I tried rebooting to system and got the boot loop. I can still get in TWRP but can't get boot system. Do I need to start over? Reflash stock and stuff or am I missing something?
Edit: False alarm again, damn what the hell eveything wants to take 2 tries first. I'm good to go now.

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Newbs, if you're having trouble flashing TWRP to your Smasung Galaxy A T380 (2017) and you're having no luck following several different ROOT or TWRP tutorials on here, try a different button combination. I tried over 15 times with existing tutorial combinations (including this one) and they were not right for my device - which is a week old.
Note: after unlocking developer options in Settings, you will have to wait 7 days for OEM unlock to show up in your settings... so turn that and USB Debugging on. But if you boot to download mode in the meantime you may be able to do it anyway on the T380 (thanks to ashyx for pointing this out) - OEM lock was showing as "OFF" the day I got it - I just couldn't get the flash button combos right! If not, then wait the 7 days for the option to show up.
I used ODIN 3.12.5. Uncheck auto-boot (you will find it in the "Options" tab of Odin)
Load up the TWRP file provided in this tutorial in the AP slot.
To put your device into download mode, turn it of, then hold: Power + Volume Down + Home (not what is said in this tutorial)
Flash, then once you get your success message/"PASS" message - here's the important bit that's different from this tutorial and others I've seen. To get out of DL mode, hold Power + Volume Down + HOME (HOME is the additional step that has been missing)
As soon as the screen goes blank, switch to Power + Volume Up + HOME. You should boot straight to TWRP then... and follow the rest of ashyx tutorial for root & installing the encrypt patch.
I don't know why this was different from this tutorial, or others I've seen.... but it was. And I was killing myself using the other button combos with no success (either straight back to ordinary boot following this tutorial steps, or hitting error following suggested Power + Volume Down to ext DL, then Power + Volume Up + Home to boot to recovery in a root tutorial or two).
TL;DR version if hitting problems - use the HOME BUTTON AS WELL on BOTH the suggested steps in the OP's tutorial after flashing.