[RECOVERY][OFFICIAL] TWRP for Galaxy S9 and S9+ (Exynos)

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Wlld1

Senior Member
May 15, 2009
204
39
Novosibirsk
I have Error 1 installing any ZIP in TWRP. Trying twrp-3.6.0.9.1, 3.7.0.9.0... This bug came after TWRP update. I had LineageOS installed. Tryed flash G960FOXMGFUG4 via Odin, after TWRP and I cand even install dm-verity and force encryption disable - always Error 1. Phone G960FD
 

Mebbon

New member
Nov 5, 2020
4
0
I have Error 1 installing any ZIP in TWRP. Trying twrp-3.6.0.9.1, 3.7.0.9.0... This bug came after TWRP update. I had LineageOS installed. Tryed flash G960FOXMGFUG4 via Odin, after TWRP and I cand even install dm-verity and force encryption disable - always Error 1. Phone G960FD
DId you solve this? Having the same issue on a G-965FDS
 

Papaya59

Senior Member
Dec 9, 2014
51
10
Lille
OnePlus 6
Xiaomi Mi 8
Hi ! I just left my S9 in the drawer since OneUI 2.5 and I need it because my phone just broke.

Just to be sure, do I have to update my S9 on the latest firmware (something like OneUI 5.1) to install latest TWRP version ? (and therefore to install Noble rom for exemple ?)
 

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  • 103
    Team Win Recovery Project
    Exynos variants such as International (F), International Dual(Hybrid)-SIM (F/DS), Korean (N) ONLY.
    In NO way it is compatible with Snapdragon variants including but not limited to American(U/U1/A/T/P/V), Chinese(0/8/6), Hong Kong(0), Japanese(SC-*), Canadian(W) variants.

    #include <std_disclaimer.h>

    home.png
    backupname.png


    Special Notes:
    1. READ THE GUIDE.
    2. KNOX will be tripped once you flashed custom binaries to your phone.
    (Your warranty may be voided. However, this may not affect you if your country, European Union, for example, forces Samsung to provide hardware warranty regardless of software status.)
    More Infos: https://en.m.wikipedia.org/wiki/Rooting_the_Android_operating_system
    3. Samsung Firmware OTA (aka System Updates) will no longer work once you flashed custom binaries.
    (You can flash custom ROMs if you want to keep the OS up-to-date.)
    4. It is HIGHLY UNRECOMMENDED to purchase any access to any kind of private forums, ROMs or Kernels.
    (DO NOT GET FOOLED.)
    5. You HAVE to use newer version of Odin (>3.13) if you want to flash stock ROMs.

    Download:
    Galaxy S9:
    https://twrp.me/samsung/samsunggalaxys9.html

    Galaxy S9+:
    https://twrp.me/samsung/samsunggalaxys9plus.html

    Sources:
    https://github.com/TeamWin

    Changelog:
    Check #2.

    Guide:
    Check #3.

    Official Telegram Group: - Discussion, Testing, Feedback and Support
    Invite Link

    Show your appreciation:
    Click Thanks!, Rate 5-star or/and Donate to me. ;)

    To contribute:
    TWRP Code Review
    Github pull requests will be ignored.


    XDA:DevDB Information
    TWRP for Galaxy S9 and S9+, Tool/Utility for the Samsung Galaxy S9+

    Contributors
    jesec
    Source Code: https://github.com/TeamWin


    Version Information
    Status: Stable

    Created 2018-03-15
    Last Updated 2018-08-15
    59
    Guides:

    Be aware that Android Verified Boot requires data (including those in internal storage) to be cleared after you unlocked bootloader and flash custom binaries. ("to protect user data, all state transitions wipe the data partitions and ask the user for confirmation before data is deleted." - https://source.android.com/security/verifiedboot/verified-boot)
    It is normal to get prompts like "Integrity verification failed. You have to reset the device to factory settings."
    However, this will only happen when there is "state transition" so only when you switch from locked to unlocked or vice versa.

    Since Android O, Samsung introduced a new security feature, Remote Mobile Manager (RMM) aka Remote Lock Control (RLC). This feature allows stronger theft protection but unfortunately it also imposes a burden on users like you.
    Samsung added a 7-day buffer period for enterprises or device owners to spot a missing/rogue device so they can use this feature to lock the device remotely.
    In this 7-day (Prenormal) period, you can NOT flash any custom binaries including but not limited to this TWRP. OEM Unlock option won't appear, either.
    (You will meet "custom binary blocked due to remaining installment balance" or "custom binary not allowed" error when you try)
    The 7-day timer will start/reset once you completed the setup wizard. After 7 days (168 hours), RLC service will send an inquiry to Samsung's server. If your device is "clean", the RMM state will become "Normal".
    Then you can enable "OEM Unlock" option and flash TWRP. Be careful, DO NOT reboot to a stock ROM before you flash patch in part 2 of this guide or you will have to go through another

    Whether you have RMM problem or not depends on your model, region and/or carrier.
    If you don't have any wait period to enable OEM Unlock option, congratulations but please do NOT mislead other people.
    NOT EVERYONE IS AS LUCKY AS YOU.
    If you don't have RMM problem when you get the device, it is unlikely that you will get any RMM problems later.
    But note that this problem applies to MAJORITY of people.

    Note that the special patch will freeze RMM, FRP and OEM lock state.
    This is an anti-stupid measure to prevent careless users from enabling security measures which are not compatible with custom binaries.

    Part 1 - HOW-TO FLASH TWRP:
    1. In your ROM, go to Settings -> About device. Tap 7 times on Build number to enable Developer options.
    2. Go to Settings, remove all Samsung and Google accounts and if your device is registered to an enterprise, de-register it.
    3. Go to Settings -> Developer options and enable OEM Unlock option.
    Notice: This is "state transition" mentioned eailier.
    NOTE: You will be asked to do a factory reset, that's normal.
    BUT DO NOT LET IT COMPLETE THE WHOLE RESET PROCESS.
    You should take a look at the whole guide and be prepared to use reboots as chances to flash or reboot into TWRP.
    4. Download and Install Samsung Mobile Phones Drivers.
    - Option 1: Download and Install Smart Switch for PC.
    - Option 2: Download and Install standalone driver package.
    5. Download and extract Odin (Samsung's Flash Tool) to your computer.
    6. Download a .tar image of TWRP.
    7. Reboot your device to download mode.
    - Hold [VOLUME DOWN] + [BIXBY] + [POWER] for approx. 15 seconds.
    - Read the warning carefully.
    - If you agree, press [VOLUME UP] to get into Download mode. If you don't agree, STOP.
    8. Open Odin and place that TWRP tar file in the [AP] slot.
    9. Connect your phone.
    10. Hold [VOLUME UP] + [BIXBY] + [POWER] on your phone and then press start on Odin.
    11. Wait for the phone to reboot. DO NOT release [VOLUME UP] + [BIXBY] + [POWER] or you may not reboot into TWRP.

    Part 2 - HOW-TO INITIALIZE TWRP:
    1. If you completed Part 1 successfully, you should be in TWRP now. At this point, you will reach the screen asking you if you want to allow system modifications.
    2. Select "Keep /system RO".
    3. Go to "Wipe" menu of TWRP and you will find "Format Data". Press "Format Data" and type "yes" to continue.
    4. Go to "Reboot" menu and Press "Recovery" to reboot TWRP.
    5. Download the special dm-verity and force encryption disabler zip on your computer.
    6. Transfer the zip to your phone.
    - Option 1: MTP: Connect your phone with computer and just copy the zip to internal storage. (similar to how you transfer files when in system.)
    - Option 2: ADB: Connect your phone with computer and run command "adb push /path/to/zip /sdcard/".
    - Option 3: External SD: Copy the zip to an external SD and then insert the card to your phone.
    7. Go to "Install" menu of TWRP and flash the zip.

    TWRP is initialized and fully functional at this stage.

    Now you may want to flash a root solution (Magisk, SuperSU, etc) or custom ROM but keep in mind that:
    1. This thread does NOT provide technical support to any root solution or ROM unless the problem is DIRECTLY related to TWRP and there is no other solution without modifying TWRP itself.
    Please contact developer of respective ROM or root solution for technical support.
    2. Samsung implemented security measures such as "Real-time Kernel Protection (RKP)" and "RKP Control Flow Protection". https://www.samsungknox.com/en/blog/real-time-kernel-protection-rkp
    Those security measures are intended to block control flows such as privilege escalation, memory kernel code modification, etc which are not authorized by Samsung.
    If those are not disabled, processes (such as daemon of root solutions) that violated those security rules will fall into deadlock.
    Deadlocked processes will then consume large amount of resources (leads to performance issues, battery drains) and eventually crash the system.
    Technically it is possible to disable those security measures by hex editing stock kernel but just simply flash a custom kernel is better in my opinion.
    TL;DR: Flash custom kernel before root or be screwed.
    31
    Changelog:

    Note that this page only includes device-specific changes. For global TWRP changes, go to twrp.me.

    Apr 18, 2018 (twrp-3.2.1-2):
    Refactor USB configurations (fixes ADB)
    Remove /cpefs from filesystem table (fixes /cpefs warning/error)
    Rebase Kernel to ARCC. (fixes I/O performance issues)
    Use correct OTG mount path
    Enable software encryption support (general AOSP only, Samsung method remain unsupported)

    Mar 16, 2018 (twrp-3.2.1-1):
    Add system_image, vendor_image
    Rename display name of /odm to "Carrier Configs"

    Mar 15, 2018:
    USB connection fixes

    Mar 14, 2018:
    Initial version
    11
    Changelog - Apr 18, 2018 (twrp-3.2.1-2):

    Refactor USB configurations (fixes ADB)
    Remove /cpefs from filesystem table (fixes /cpefs warning/error)
    Rebase Kernel to ARCC. (fixes I/O performance issues)
    Use correct OTG mount path
    Enable software encryption support (general AOSP only, Samsung method remain unsupported)

    I recommend everyone to update to this build.
    Note that for some reasons starlte (G960*) build does not show up on twrp website yet.
    Please download the build via this link: http://build.twrp.me/twrp-3.2.1-2-starlte.img.tar
    6
    YOu mean when you boot into download mode it says "OEM Lock OFF"

    After I turned OEM unlock on my phone was forced into a restart and a reset and when I go DL mode now I get the same "boot into download mode it says "OEM Lock OFF"" maybe this means OEM unlock is ON now we just cant see the switch anymore.

    Is this the case anyone?

    (I get fail when trying to flash TWRP however)
    @ jesec - I am writing to try to get past an apparent RMM issue.

    I previously had followed your guide and had everything working and was trying out a number of the ROM's On the last one, I had problems with Super SU, and reflashed it and also the original RMM zip. The ROM would not boot, and on trying to get to TWRP, it was gone - along with OEM unlock in dev. options. In download mode, both locks were on, and RMM was Prenormal.

    I ended up ODINing stock ROM, and apparently started the 7 day clock, After 7 days, OEM unlock showed up, so unlocked, but that led to its insisting that a factory reset be done, which resulted in RMM back to Prenormal, BUT both the unlocks show off.

    I wonder if you can point me to the next step - which right now getting RMM back to normal without messing the locks up again.

    In 7 days, will the RMM go back to normal, and if so - should I Odin from there (if the locks are still off), or will I have to risk OEM unlocking in Dev. mode and having it try to force another reset.

    Since you appear to be the S9+ RMM expert, I hope you will be able to guide me on this.

    If successful, does your new no-verity-opt-encrypt-samsung-1.0 zip replace the RMM-State_Bypass_Mesa zip and the no-verity-opt-encrypt-6.0-star zips i had used previously?
    Damn, so I booted to download mode, flashed with Odin, but it wouldn't go into TWRP. It kept coming up with the screen to reset device from hitting the OEM unlock in developer settings. Stupidly I booted up and hastily setup, now flashing in Odin fails, as the OEM unlock is gone again. Im sure I know the answer, but there's nothing I can do now for another week until the OEM unlock appears again is there? No app to find hidden menus or anything to try and find that OEM unlock option is there?
    I am similar situation.

    1. Oem unlock switched on in developer.
    2. Twrp Flash IN Odin success. First time.
    3. Didn't manage to install the additional flash for dm verity etc, and rebooted back to stock.
    4. Tried to flash Twrp again. Failed, says can only install official binaries.
    5. Going back to dev options, Oem unlock not visible. However in stock recovery it says Oem lock and Frp both OFF.

    does this mean I'm in jail, and have to wait 7 days?
    I am still waiting for 7 days to see I can see "OEM Unlock" in development page. From my understanding, if the option appear and I pick to set it. It will force me confirm to do a factory reset. It will be tedious to do phone setup after that. Hopefully it will not be requirement. Let's see in a few days.

    I will take the "reset" hit to be able to install custom rom. Will see.
    My problem that the reset left me with RMM statue Prenormal and OEM unlock setting gone.

    So no way to Odin TWRP or flash anything.

    Looking for a go around.

    Sent from my [device_name] using XDA-Developers Legacy app

    Please check the new RMM state section of the guide.
    It is normal for Samsung to force a reset when you toggle OEM Unlock option.
    BUT DO NOT BE TRICKED. You SHOULD NOT complete the whole reset process. (reset, let it reboot, BOOM RMM Prenormal is back and you are in 7-day jail again)
    Every reboot is a chance to flash TWRP or boot into TWRP. DO NOT ALLOW your device to boot into system before you boot into TWRP and flash the patch.
    (Use "VOL-DOWN" + "POWER" + "BIXBY" to boot into download mode, "VOL-UP" + "POWER" + "BIXBY" to boot into TWRP, "VOL-DOWN" + "POWER" to force a reboot)
    Then follow the guide.

    I have samsung s9 plus SM G965F
    I think my phone is demo phone.but i dont see any think like that.but main issue i dont see play store app.unable to install it from any source.2nd issue is i dont see screen and security option in my phone.
    3rd when i go to master reset through volume up+power+bixby button.
    Msg shows that MDM doesnot allow to factory reset.

    In developers mode OEM option not shown.

    And in downloading mode OEM is on frp on

    I cant remove my google account .

    Please read this thread and help what should i do now?

    There are two scenarios:
    1. The device is registered to an enterprise, thus regulated by the policy of that enterprise.
    2. The device is not supposed to be used by you. (demo device or stolen device)

    Either way, I can't help you with this problem. Please contact your seller or company for assistance.

    same model here, same story, after turning on OEM unlock the first reboot forced a reset, then after some system update a second reset, since then haven't had a reset yet, OEM unlock never went away.

    still wondering how to root this phone, I'm really baffled here. also, all the files are named 965F, can I use those to root 965N (256G)? please help!

    Yes you can. N has the almost same hardware as F. You should be able to flash any custom ROMs, Kernels, root solutions, etc branded for F on a N device.
    But keep in mind that you still need to use N specific modem/baseband and bootloader so you can't flash stock ROM of F on N.

    Is it possible to use full disk encryption based on dm-crypt with TWRP on the S9+ ?

    No, encryption is not supported and there is no plan to support it.
    Samsung use proprietary hardware disk encryption methods. There is no way to support that without proper sources.

    @jesec
    If you update TWRP and your work, please Edit Thread title with version or day release. More information is better for user.

    No. TWRP is not something that needs to be updated regularly. A thread title with recent dates may look great now but soon it will look like outdated as f*.
    TWRP is meant to be stable not "updated Apr 12 with EXCITING XXX".

    Is there any work being done to allow the Snapdragon S9 to use TWRP?

    The U variant of this device desperatley needs rooting.

    The Samsung bloatware is stifling. The hardware on this phone would greatly benefit from an AOSP rom.

    I don't have plan to support Snapdragon variant at this moment.