[GUIDE] How To Install TWRP & Root Galaxy S8+ After Oreo Update

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Ruturaj Kadam

Senior Member
A simple guide for users which will help them to install TWRP on their S8 after Oreo Update.

This guide is only for Exynos models.

Requirement -
1. PC/Laptop
2. Original Samsung USB Type-C Cable
3. Prince Comsy Odin (Because some users reported on this thread that normal Odin doesn't work)

Instructions -
1. Backup your important data from internal storage before proceeding towards the installation.
2. Now go to Settings - About Phone - Software Information - Tap On Build Number 7 Times.
3. Now come back to Settings Home and Open Developer Options. Check OEM Unlock is turned ON.
4. Power off device and boot into download mode.
5. Connect your device to the PC/Laptop.
6. Now Open Prince Comsy Odin and click on the AP option.
7. Choose the TWRP .tar file and press the START button.
8. Now after Odin says PASS, press the VOLUME UP, BIXBY KEY, and POWER BUTTON at the same time until device boots into TWRP recovery.
9. Now allow the modifications and go to WIPE option.
10. Choose FORMAT DATA - Type yes - ENTER.
11. Just Reboot Once Into Recovery Once.
12. Now Choose INSTALL option and install Magisk or SuperSU.
13. Done!

You can also refer to this video for installation of TWRP - https://www.youtube.com/watch?v=2SqgHFcHLMw

Downloads -
Latest TWRP for Exynos S8+ - TWRP 3.2.1-0-DREAM2LTE
Prince Comsy Odin - https://drive.google.com/open?id=1enVG5a_ocyjhRlta8AX_0b7LLoHWciVU
Magisk - https://forum.xda-developers.com/apps/magisk/beta-magisk-v13-0-0980cb6-t3618589
SuperSU - https://forum.xda-developers.com/apps/supersu/2014-09-02-supersu-v2-05-t2868133

Credits -
@jesec for TWRP
@topjohnwu for Magisk
@Chainfire for SuperSU
Prince Comsy Odin
 
Last edited:

JeffDC

Senior Member
Oct 21, 2009
1,140
169
Roseburg
I didn't think this method was for Snapdragon w/o a different os/engineer software?
Snapdragon rooting is really this straight forward?
 

Geekser

Senior Member
May 18, 2017
1,052
480
Milwaukee
ShimmeringGlass.com

Be sure to "FORMAT" data, not WIPE Data. WHen you choose the option to FORMAT Data in TWRP you will have to type in the word YES to confirm that you want to do that after making youir selction. Once the wipe is finished, flash the No Verity Scrtipt file you can find here: https://build.nethunter.com/android-tools/no-verity-opt-encrypt/and then reboot.

BEFORE YOU REBOOT after flashing TWRP - If you have been "in jail" after flashing oreo and you had to wait to wait 7 days before you could flash TWRP - be sure to flash the RMM State Fix found here immediately after flashing TWRP - https://forum.xda-developers.com/showpost.php?p=75360965&postcount=22
 
Last edited:

dr.vetony

Member
Dec 27, 2013
7
0
Be sure to "FORMAT" data, not WIPE Data. WHen you choose the option to FORMAT Data in TWRP you will have to type in the word YES to confirm that you want to do that after making youir selction. Once the wipe is finished, flash the DM Verity Scrtipt file found in the TWRP Thread and then reboot. (If you have been "in jail" after flashing oreo and you had to wait to wait 7 days before you could flash TWRP - be sure to flash the RMM State Fix found here immediately after flashing TWRP - https://forum.xda-developers.com/showpost.php?p=75360965&postcount=22
Yes i ve followed all the instructions but the results are nothing also ive tried to change data to fat but the result zeroo
 

ale3385

Member
Sep 6, 2010
12
0
BUENOS AIRES
HI
I have G955FXXU1CRAP flashed at my s8+ g955f exynos. Now afert waiting for the 7 days to get the oem unlock I'm with twrp but I can not root with Magisk 16 or super su SR5-SuperSU-v2.82-SR5-20171001224502.zip.
I'm getting the "error installing zip file '/external_sd/Magisk-v16.0.zip" and "Unable to repack boot image! ".

Any help?.

Thanks in advance.
ale3385
 

Quazwersxce

Member
May 27, 2017
12
3
HI
I have G955FXXU1CRAP flashed at my s8+ g955f exynos. Now afert waiting for the 7 days to get the oem unlock I'm with twrp but I can not root with Magisk 16 or super su SR5-SuperSU-v2.82-SR5-20171001224502.zip.
I'm getting the "error installing zip file '/external_sd/Magisk-v16.0.zip" and "Unable to repack boot image! ".

Any help?.

Thanks in advance.
ale3385
Did you FORMAT the data after installing TWRP?
 
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FactualGnome

Member
Jun 13, 2010
15
2
I am also having an issue similar. I have flashed the OREO update (CRAP) and after formatting data in TWRP and then the No-Verity Script. This then shows the Internal storage. I can flash Magisk but when i next boot into TWRP it will show 0mb again?

I have done this now about 6 times. Its ok to start but then it reverts back to not being able to read internal storage?

Anyone know why?

Thanks
 
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Vi553r

Member
Aug 15, 2014
44
19
Im experiencing the same issue too.
0mb data and twrp recovery doesnt hold settings.

Flashed latest twrp from link in this thread and directly formatted data.

Twrp nandroid backup fails on cannot mount data.
 
Last edited:

JazonX

Senior Member
Dec 16, 2009
2,113
821
Xiaomi Mi 11 Ultra
Be sure to "FORMAT" data, not WIPE Data. WHen you choose the option to FORMAT Data in TWRP you will have to type in the word YES to confirm that you want to do that after making youir selction. Once the wipe is finished, flash the No Verity Scrtipt file you can find here: https://build.nethunter.com/android-tools/no-verity-opt-encrypt/and then reboot.

BEFORE YOU REBOOT after flashing TWRP - If you have been "in jail" after flashing oreo and you had to wait to wait 7 days before you could flash TWRP - be sure to flash the RMM State Fix found here immediately after flashing TWRP - https://forum.xda-developers.com/showpost.php?p=75360965&postcount=22

If I flash Magisk, Do I still need the DM-Verity Patch?
 

ghul21

Senior Member
Feb 8, 2011
2,459
3,303
Bielsko-Biała ( Łódź )
I am also having an issue similar. I have flashed the OREO update (CRAP) and after formatting data in TWRP and then the No-Verity Script. This then shows the Internal storage. I can flash Magisk but when i next boot into TWRP it will show 0mb again?

I have done this now about 6 times. Its ok to start but then it reverts back to not being able to read internal storage?

Anyone know why?

Thanks


Im experiencing the same issue too.
0mb data and twrp recovery doesnt hold settings.

Flashed latest twrp from link in this thread and directly formatted data.

Twrp nandroid backup fails on cannot mount data.


Because it need to be modify in ramdisk. Flash custom Rom or a kernel with proper fixes
 
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  • 5
    A simple guide for users which will help them to install TWRP on their S8 after Oreo Update.

    This guide is only for Exynos models.

    Requirement -
    1. PC/Laptop
    2. Original Samsung USB Type-C Cable
    3. Prince Comsy Odin (Because some users reported on this thread that normal Odin doesn't work)

    Instructions -
    1. Backup your important data from internal storage before proceeding towards the installation.
    2. Now go to Settings - About Phone - Software Information - Tap On Build Number 7 Times.
    3. Now come back to Settings Home and Open Developer Options. Check OEM Unlock is turned ON.
    4. Power off device and boot into download mode.
    5. Connect your device to the PC/Laptop.
    6. Now Open Prince Comsy Odin and click on the AP option.
    7. Choose the TWRP .tar file and press the START button.
    8. Now after Odin says PASS, press the VOLUME UP, BIXBY KEY, and POWER BUTTON at the same time until device boots into TWRP recovery.
    9. Now allow the modifications and go to WIPE option.
    10. Choose FORMAT DATA - Type yes - ENTER.
    11. Just Reboot Once Into Recovery Once.
    12. Now Choose INSTALL option and install Magisk or SuperSU.
    13. Done!

    You can also refer to this video for installation of TWRP - https://www.youtube.com/watch?v=2SqgHFcHLMw

    Downloads -
    Latest TWRP for Exynos S8+ - TWRP 3.2.1-0-DREAM2LTE
    Prince Comsy Odin - https://drive.google.com/open?id=1enVG5a_ocyjhRlta8AX_0b7LLoHWciVU
    Magisk - https://forum.xda-developers.com/apps/magisk/beta-magisk-v13-0-0980cb6-t3618589
    SuperSU - https://forum.xda-developers.com/apps/supersu/2014-09-02-supersu-v2-05-t2868133

    Credits -
    @jesec for TWRP
    @topjohnwu for Magisk
    @Chainfire for SuperSU
    Prince Comsy Odin
    5

    Be sure to "FORMAT" data, not WIPE Data. WHen you choose the option to FORMAT Data in TWRP you will have to type in the word YES to confirm that you want to do that after making youir selction. Once the wipe is finished, flash the No Verity Scrtipt file you can find here: https://build.nethunter.com/android-tools/no-verity-opt-encrypt/and then reboot.

    BEFORE YOU REBOOT after flashing TWRP - If you have been "in jail" after flashing oreo and you had to wait to wait 7 days before you could flash TWRP - be sure to flash the RMM State Fix found here immediately after flashing TWRP - https://forum.xda-developers.com/showpost.php?p=75360965&postcount=22
    2
    When you first intall TWRP - the files are encrypted - so you need to format data and then install No Verity immediately before you do anything else. Once you have done that - then you can flash the kernel or the RMM State - whatever - just don't reboot first.

    SO let's start over. tell me, what problem are you having. What is happening with your phone
    1
    OP you should add this isn't for US models or be model specific
    1
    Hi,
    I get the message "Only official released binaries are allowed to be flashed" on my Samsung S8+. :crying:

    My order:
    1. unlock OEM
    2. Flash TWRP (the version in the thread didnt work on the S8+, need other)
    3. Format data and reboot in recovery again
    4. install "no-verity-opt-encrypt-6.0.zip"
    5. install "Magisk v16.7" (later I saw that there is a new version "Magisk v17.3")
    6. reboot, and restore backup from google.

    "root checker" say no root, Magisk-Manager show "no version" of magisk.

    I tried after that to boot in recovery (try magisk v17.3), but I get the message "Only official released binaries........".
    Only the download-mode work. Now I flash with Odin the orginal firmware.

    What am I doing wrong ? Did I forgot something ?
    I hope you will help me. :angel:

    Thank you!


    Official binary error issue is rmm state
    See here for more info

    https://forum.xda-developers.com/sa...w-to/guide-root-install-twrp-samsung-t3747535

    Latest twrp is 3.2.3.2 for s8+ exynos variant

    https://dl.twrp.me/dream2lte/