yashsingh1/xdaforums huggingface dataset:
[Samsung Galaxy S9+ Guides, News, & Discussion] DuneBug:
Does unlocking the device cause the DRM keys to be overwritten? Does that cause an issue with trying to watch 4K video on Netflix and YouTube etc? I have noticed on DRM Info that the device is certified Widevine L1.

Can anyone with a unlocked device verify that the keys are removed? I believe DRM Info (from Playstore) will provide the info required. Thanks!
[Samsung Galaxy S9+ Guides, News, & Discussion] gravis502:
Can anyone confirm that Samsung Pass is completely gone after root?
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
I am rooted on devbase stock based ROM and my widevine is L3.
[Samsung Galaxy S9+ Guides, News, & Discussion] DuneBug:
Thanks bdwilk, looks like we indeed lose drm when unlocked and rooted. Do you use Netflix? If so, does it's quality seem HD or poor?
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
I don't use it. Looking in YouTube and no videos offer higher than 1080p.

In my opinion, root is more useful. For me 720p is enough for an enjoyable experience.....on a phone.
[Samsung Galaxy S9+ Guides, News, & Discussion] DuneBug:
I agree, root is very useful. But on Netflix you don't even get 720p, only SD 480p if not mistaken. I haven't rooted yet as I only got the phone in November so I wanted to see what else I lose when I root.

Is anyone aware of any method to save the DRM keys prior to unlocking? I was able to do that on a previous Sony phone I used.
[Samsung Galaxy S9+ Guides, News, & Discussion] costasge:
did the steps however my phone stucks on start up screen. any ideas?
[Samsung Galaxy S9+ Guides, News, & Discussion] lruihao:
Hi, I would like to request for a verification of the compatibility of my device for this root.

As the previous Galaxy devices in my country are all Snapdragons, I am surprised that I am holding an Exynos(?) model this time.

Is the device that I have compatible with this root?

Thank you
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
Yup. You're good to go.
[Samsung Galaxy S9+ Guides, News, & Discussion] am998:
Thanks dr. Its work on my pie devices
[Samsung Galaxy S9+ Guides, News, & Discussion] scorpion112:
So what thing i will lose if i root my device ?
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
1) OTA - who cares, we can flash our own ROMs and software

2) Samsung pay- meh, if you're too lazy to carry cash use Google pay

3) Secure folder- what even is that?

4) Warranty- that's a good one, but I'd rather have root.
[Samsung Galaxy S9+ Guides, News, & Discussion] scorpion112:
samsung pass will work ?

BECAUSE I NEED TO ROOT MY DEVICE TO HAVE A CALL RECORDING FETURES
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
No. That too.
[Samsung Galaxy S9+ Guides, News, & Discussion] PUMA007:
After reset One Ui i have in download mode

KG State : Cheking

FRP: On

OEM: On

Triped Knox 0x0400 after UPDATE with odin only CSC withaut Home CSC

i need to wite 7 days to KG State : Prenormal and more 7 days to removed KG State :Prenormal ?

and whay is not RMM State but KG State what is meen KG?
[Samsung Galaxy S9+ Guides, News, & Discussion] mackentosh:
When you guys say wait 7 days does that mean you can't even turn the phone off until the 7 days has expired? If the phone goes dead the wait starts over?
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
Just if you factory reset. It's ok to turn the phone off.
[Samsung Galaxy S9+ Guides, News, & Discussion] skvalex:
You may switch CSC region to Thailand or Vietnam. It has built in call recording support, also Samsung Pay works: https://xdaforums.com/galaxy-s9-plu...change-s9-s9-csc-model-csc-t3870836?nocache=1
[Samsung Galaxy S9+ Guides, News, & Discussion] scorpion112:
if i switch the csc to vietnam call recording will work ? Without root ?
[Samsung Galaxy S9+ Guides, News, & Discussion] skvalex:
yes
[Samsung Galaxy S9+ Guides, News, & Discussion] PUMA007:
My phone csc is SEE/SEE,SEE/XSG i lost after flash Devbase rom now i im in stok rom flshed in odin FRP:eek:N OEM:eek:N how i cent beck XSG?

my CSC now is SEE/SEE,SEE/

sory for my bad english
[Samsung Galaxy S9+ Guides, News, & Discussion] dr.ketan:
You might have selected to flash bootloader with twrp, that causing this. Now forget it, as of now there is no permanent solution for this.
[Samsung Galaxy S9+ Guides, News, & Discussion] ReptileSlex:
Hi! Anyone knows if the root still working on Android Pie version?
[Samsung Galaxy S9+ Guides, News, & Discussion] dr.ketan:
If you read op carefully, you might get answer to your own question.
[Samsung Galaxy S9+ Guides, News, & Discussion] ReptileSlex:
Thanks, have not seen it ??
[Samsung Galaxy S9+ Guides, News, & Discussion] gaww:
It's there- took 10 seconds to find it.
[Samsung Galaxy S9+ Guides, News, & Discussion] gravis502:
I've successfully rooted my S9+ Pie. If anyone faces official binary issue when flashing TWRP, make sure you've completed device installation after oem unlocking which requires factory reset. After completing the installation wizard, make sure you enabled developer options and oem unlocking (which comes unlocked because of prior steps) then go to download mode and retry flashing latest official TWRP in AP Mode with Auto Reboot FALSE then you are good to go.
[Samsung Galaxy S9+ Guides, News, & Discussion] raghav2984:
My OEM unlocked. But rmm state is prenormal. So still getting the official binary error. How to overcome this?
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
Wait 7 days. Don't factory reset for 7 days.
[Samsung Galaxy S9+ Guides, News, & Discussion] raghav2984:
Should I insert the sim during this 7 days?
[Samsung Galaxy S9+ Guides, News, & Discussion] gaww:
Yes - it's ok either way.
[Samsung Galaxy S9+ Guides, News, & Discussion] joe535:
3 month have passed, now the first time ever that I saw OEM unlock. Activated, plus some more steps (password etc.) to reboot. Rebooted directly into download mode, flashed TWRP. Fail....

Great ! The instruction did not work at all..
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
Couldn't possibly be user error because the method only worked for how many hundreds of people (I'm sure more) it must be dr.ketan's fault with his free information he gave willingly to help other users.
[Samsung Galaxy S9+ Guides, News, & Discussion] am998:
My s9plus done rooted. Can i install custom rom?
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
If you have twrp installed then yes.
[Samsung Galaxy S9+ Guides, News, & Discussion] am998:
The best custom rom? Recommd please
[Samsung Galaxy S9+ Guides, News, & Discussion] dr.ketan:
All ROMs are best for their users. Go to development section, read OP of every ROM thread and look for features offered by ROM then decide which ROM suits your needs and choose accordingly. If not happy move on with other and this way find 'best' for 'you'

It's sad that being a member of XDA since more than two and half year and yet didn't learn how to post.

Also note that asking best or answering a single rom is disrespectful.

- Also recommend to read XDA posting rules

- Also every forum have sticky thread how to post, go through that too.
[Samsung Galaxy S9+ Guides, News, & Discussion] am998:
If i flash custom rom.. do i need to flash this root oem issue zip again???
[Samsung Galaxy S9+ Guides, News, & Discussion] gaww:
Not if you don't screw up. Many of the Roms will eliminate the locks and rmm - read.
[Samsung Galaxy S9+ Guides, News, & Discussion] am998:
I want install xposed but i dont know what version... anyone has install??
[Samsung Galaxy S9+ Guides, News, & Discussion] ashyx:
Magisk version.
[Samsung Galaxy S9+ Guides, News, & Discussion] am998:
With one? Xposed installer or xposed installer sdk26? I running android 8.0
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
I don't mean to be a jerk but if you can't figure out which version of Xposed framework you need then you probably should stay away from Xposed. Just sayin.
[Samsung Galaxy S9+ Guides, News, & Discussion] ashyx:
Sdk26 or use the one with the unity installer as it will install the appropriate version.
[Samsung Galaxy S9+ Guides, News, & Discussion] DarkSky204:
Hi all,

I'm using s9+ korean, G965N. I installed twrp recovery and rooted, but in my recovery, when i do anything, i received error: Failed to mount preload invalid argument. How can i fix this error. Thank you!
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
Go to wipe > format data > type "yes"

THIS WILL WIPE YOUR ENTIRE PHONE STORAGE!

All pics, apps, anything in internal storage will be gone.
[Samsung Galaxy S9+ Guides, News, & Discussion] buff247:
root SM-G965U1

hi, is there a way yet to root a Samsung Galaxy S9+ model SM-G965U1 ?

and p.s. i don't have OEM option
[Samsung Galaxy S9+ Guides, News, & Discussion] DarkSky204:
I do exactly guide of this thread, it included format data, but it still show error for mount preload :(
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
Reboot recovery?
[Samsung Galaxy S9+ Guides, News, & Discussion] DarkSky204:
Yes, i also up stock rom via odin and reinstall recovery.
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
Well everyone gets that error till they format data so if you say you did that already then I'll leave it for someone smarter to answer anymore. Make sure you format and not just wipe. You have to type "yes" and it'll wipe out the phone's storage.
[Samsung Galaxy S9+ Guides, News, & Discussion] am998:
My magisk safety net false.. but my xposed active
[Samsung Galaxy S9+ Guides, News, & Discussion] dr.ketan:
This thread have nothing to do with safety net fail or xposed, post your concern to appropriate place.
[Samsung Galaxy S9+ Guides, News, & Discussion] am998:
Sorry dr. Tq
[Samsung Galaxy S9+ Guides, News, & Discussion] ashyx:
I wouldn't worry about that error as its inconsequential.

It wont affect backups, restores or installing anything else.
[Samsung Galaxy S9+ Guides, News, & Discussion] lukjod:
im on same state here, 7 days waiting or anything other i can do?

any help welcome
[Samsung Galaxy S9+ Guides, News, & Discussion] zohaibshafijutt:
Same problem with me.

KGB state says checking. When I turn on oem unlock, it prompts me to reset phone. After resetting twice, It is still off but it says bootloader is already unlocked.

What to do ?
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
KG state only exists on pie. If you want to bypass that then flash Oreo and you should be good to go assuming you're not one that's plagued with the RMM hassle.
[Samsung Galaxy S9+ Guides, News, & Discussion] gaww:
Try ODINing TWRP. If it does, stop messing with it.
[Samsung Galaxy S9+ Guides, News, & Discussion] raghav2984:
It's 168 hrs now. Can I get into download mode to root the phone?? Will the rmm state be normal from prenormal?
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
You can go there and check. It won't affect anything either way.
[Samsung Galaxy S9+ Guides, News, & Discussion] lukjod:
deleted
[Samsung Galaxy S9+ Guides, News, & Discussion] raghav2984:
You mean even if I go into download mode the system up time will not get reset to 0s??
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
Yes. It will not reset. It will only reset if you factory reset. Well system up time might reset but it won't affect the timer of RMM.
[Samsung Galaxy S9+ Guides, News, & Discussion] raghav2984:
Ok sure. Thanks mate. I shall try to root today. Fingers crossed
[Samsung Galaxy S9+ Guides, News, & Discussion] raghav2984:
Can you help me to send the link for me to follow so that I don't miss any file or steps. Thank you.
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
You're in it already. First post (OP)

https://xdaforums.com/galaxy-s9-plus/how-to/guide-root-s9-oem-fix-t3763974/post75906187
[Samsung Galaxy S9+ Guides, News, & Discussion] raghav2984:
My bad. I went to download mode and see the rmm state prenormal. I didn't try flashing yet. Should I go ahead and try to flash?
[Samsung Galaxy S9+ Guides, News, & Discussion] raghav2984:
After trying to flash, have the same issue "only official released binaries are allowed to be flashed (RECOVERY). Any advice?
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
You'll just have to wait.
[Samsung Galaxy S9+ Guides, News, & Discussion] raghav2984:
Sorry I didn't understand.
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
Well you'll have to wait till the prenormal is gone. KG state is unknown as far as I know. I was told it could be up to 14 days or more for it.
[Samsung Galaxy S9+ Guides, News, & Discussion] raghav2984:
Oh. So I need to get into download on and off is it??
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
One day you'll open download mode and RMM STATE and KG STATE will no longer be there. That is when you can flash TWRP.
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
Like this.
[Samsung Galaxy S9+ Guides, News, & Discussion] ettore88:
Hi guys.I have a Samsung S9+(Exynos)with last fw Android Pie.Id like to root with Magisk.The procedure is clear.I have a doubt.On my S9+ i have to flash too G965_PIE_Root_for_OEM_issue_devices_V5.zip?THX in advance.
[Samsung Galaxy S9+ Guides, News, & Discussion] ettore88:
Possible permanent bootloop?

Please bear with me:)I ask you a fundamental question.I had read of a problem OEM lock.Now I do not know if it's solved. I remember you have to wait 7 days for the relative item to appear in the menu and you do not have to reboot the phone otherwise it goes into bootloop.It's still so?In the event it would be enough to reflash the stock fw with Odin?Or should you send the phone to Samsung Assistance?THX in advance.;)
[Samsung Galaxy S9+ Guides, News, & Discussion] RE910177:
i have updated TWRP version to 3.2.3-1 but i get an error when trying to format data "Failed to mount '/cpefs' (Read-only file system)" i tried following a couple of guides in youtube like changing the file system from ext4 to ext2 but still no luck, it didnt even let me change the file system while choosing "data"

i was on Android P when i tried that, but right now i just went back to full stock P without TWRP because i'm stuck with formatting Data (the process where you type "yes" and the most important part to clear out the restriction) after typing "yes" it gives an error "failed to mount....."
[Samsung Galaxy S9+ Guides, News, & Discussion] ashyx:
Don't worry about the cpefs error. It's inconsequential and is nothing to do with FORMATTING the DATA partition. It's merely a mount error.

It will still complete regardless.
[Samsung Galaxy S9+ Guides, News, & Discussion] RE910177:
@ashyx for real?! yes! let's give it another shot tonight, seriously cant wait to go home :)

EDIT: one more thing. will it still work even at December 2018 security patch?
[Samsung Galaxy S9+ Guides, News, & Discussion] ashyx:
Unless the security patch updates the bootloader, then as long twrp boots, root should be possible.
[Samsung Galaxy S9+ Guides, News, & Discussion] ettore88:
Hi guys.I ask you a little info.I have a S9+ stock fw ANDROID PIE.I read the guide in OP.

Step 14:"Now select Install and navigate path to Ext SD card - N965F_root_OEM_issue_devices.zip, you have copied earlier, select desired root method and

select 'OEM Patch' option if your device have OEM issue.

If you are not sure about this then better select 'OEM Patch', this will prevent losing OEM unlock option and so prevent 'custom binary error"

Question:

How do I know if my S9 + has problems with the OEM?

Obviously I have to flash this for Pie,right?

G965_PIE_Root_for_OEM_issue_devices_V5

During the flash the aroma will start...

I will have to choose OEM Patch + Root

Consequently...I DON'T NEED TO FLASH ANY EXTRA ZIP like dm-verity or RMM fix etc,right?I apologize for the banalities, but I prefer to ask you experts.THX in advance
[Samsung Galaxy S9+ Guides, News, & Discussion] RE910177:
[MENTION=4899305]ashyx[/MENTION] thanks! ive activated OEM unlock button but it keeps repeating on the "factory data reset" on android P.

[MENTION=3319912]ettore88[/MENTION] how did you manage to install twrp.? when you hit the OEM unlock button did it tell you to reset factory data? any advise? because im stuck with the oem unlock button it keeps me reset factory data over and over. i have already tried changing the date and restart but still everytime i push the oem unlock button it routes directly to reset factory data.
[Samsung Galaxy S9+ Guides, News, & Discussion] dr.ketan:
-I recommend to select patch oem option irrespective of your device have issue or not

-use version oreo/pie according is installed to device

-zip have all in one, nothing requires extra to flash. Just make efs backup as soon as root device.
[Samsung Galaxy S9+ Guides, News, & Discussion] ettore88:
Hi m8.I have not tried yet:)

---------- Post added at 09:27 AM ---------- Previous post was at 09:24 AM ----------

Many thx m8;)
[Samsung Galaxy S9+ Guides, News, & Discussion] ASMstudent:
I was playing around and I found a system app "com......................kgclient" and after I uninstalled it with rlc app using ADB kg state was gone, but RMM state still there [emoji24][emoji24]

When I first booted up after installing oneui OTA update kg state was absent, I waited for 7 days hoping RMM state would go away, but instead I found kg state = checking and after uninstalling those system apps it was gone. It may be a coincidence tho.
[Samsung Galaxy S9+ Guides, News, & Discussion] gaww:
Thus thread uses a different approach, but if you accept factory reset - don't let it finish - go directly to download mode and see if locks are off and if prenormal is visible. If Iocks are off and prenormal is not present, you could go straight to TWRP.

If it's there, you will be in jail for 7 days.
[Samsung Galaxy S9+ Guides, News, & Discussion] RE910177:
[MENTION=3019752]gaww[/MENTION] if the status is "checking" then i should be waiting another 7 days?
[Samsung Galaxy S9+ Guides, News, & Discussion] ettore88:
When this block happens, can you turn off the phone during the 7 days? Or not?

There is no way to bypass it?

Above all you have to remove the TWRP with the flash stock fw through Odin...to see the OEM voice again after 7 days?
[Samsung Galaxy S9+ Guides, News, & Discussion] gaww:
Not sure - I never saw "checking" .
[Samsung Galaxy S9+ Guides, News, & Discussion] Jakefrost83:
New to all this root unroot stuff, I dillied in programming in the past like early 90's but would like to know more about it. Anyone?
[Samsung Galaxy S9+ Guides, News, & Discussion] bdwilk:
Take it to the s9/+ general discussion thread and you might get a better response.

https://xdaforums.com/galaxy-s9/how-to/s9-s9-pie-alpha-beta-sm-g960f-sm-g965f-t3867627/post78170460
[Samsung Galaxy S9+ Guides, News, & Discussion] ettore88:
Done. Everything went ok.I have a root on my S9+.

I ask you for information.When there will be an update of the stock fw...I ll do a FULL WIPE from TWRP.(Dalvik/ART Cache,SYSTEM,Data,Internal Storage and cache.)Consequently via ODIN...flash the new vs of the stock fw.MY QUESTION IS:I will have to redo the Enable OEM Unlock from developer option?Or do I directly flash the TWRP...THX in advance m8;)
[Samsung Galaxy S9+ Guides, News, & Discussion] daviddema:
[MENTION=3931450]dr.ketan[/MENTION]

I am one of the unlucky ones for whom the prenormal RMM state never cleared. I've read a lot, among others I am 2/3rd of the way through the humungus Note 8 thread on this issue, and also read most related OEM / TWRP / ROOT threads...

So I bought my S9+ in Saudi Arabia 2.5 months ago from a computer superstore. Exynos, not locked to a carrier, product code SM-G965FZKDKSA. As it was on my last day in Saudi, I did not make a 5 minutes phone call with a Saudi SIM, or even power up the phone. After arriving in Europe, I requested the region unlock code from Samsung customer service and received it within a couple of days. I then proceeded to set up the phone with my Belgian Orange SIM card, logged in my Samsung and Google accounts and used the phone for a month. During this time (back in December, still Oreo BRJ6), the OEM unlock never showed up and the RMM state remained prenormal at all times.

Back in Saudi, I factory reset the phone and rebooted it with my Saudi SIM card (STC). Did again the whole initial setup, remained connected at all times, my CSC says ksa/ksa/ksa/ksa under service provider software... one week later, still no OEM unlock, RMM state still prenormal... then I accepted the Pie OTA upgrade, OEM showed up but RMM state still prenormal and KG state checking... One week later, nothing changed...

So what gives? This is supposed to be an anti-theft thing, and I sure didn't steal my phone!? As far as I am concerned, I have a crippled device because Samsung won't clear my device as clean!? I am going to return it to them...

Could it be that this is all because I region unlocked the phone with a code rather than making a 5 minutes call in the country of origin? Any possible solution?
[Samsung Galaxy S9+ Guides, News, & Discussion] rafik25:
I bought my s9+ in ebay.de and leaving in France maybe same issue ?
[Samsung Galaxy S9+ Guides, News, & Discussion] daviddema:
Did it say on the box "only for use with German SIM card" or something like that?
[Samsung Galaxy S9+ Guides, News, & Discussion] daviddema:
So I upgraded my S9+ to official Pie using OTA. Enabled OEM unlock in developer settings, which factory reset my device. Now the status in download mode is:

OEM lock: off

FRP lock: off

RMM state: prenormal

KG state: checking

Unclear to me whether I can I safely apply the method in the OP or not with OEM lock off (good) and RMM state prenormal (bad)... I don't want to risk voiding my warranty if the outcome will not be positive...

I can wait to see if prenormal clears in a week, but I don't have much hope since it hadn't cleared under Oreo for 2 months before that...
[Samsung Galaxy S9+ Guides, News, & Discussion] jujubeans:
it clears in a week.

did you try turning developer mode off then on, when you stated it didnt show for 2 months ?

afte rthe 7 days it didnt show for me, then i turned dev mode off then back on and it appeared
[Samsung Galaxy S9+ Guides, News, & Discussion] daviddema:
Yes I tried. That and many other things like checking again for a OTA update, developer options on and off, disconnecting / reconnecting samsung and google accounts, rebooting... done it 4 times total... never clearing RMM state prenormal... I am not the only one, I've seen other people on this forum for whom it is the case also... but never found why...
[Samsung Galaxy S9+ Guides, News, & Discussion] evaworld:
My s9 plus on android pie still has RMM state: prenormal after full 7 days online with network online all the time. Before that I had also kg state checking but after the 7 days it's gone but still has the rmm paranormal and don't know what to do now.
[Samsung Galaxy S9+ Guides, News, & Discussion] skvalex:
After upgrading to Android 9 previously rooted device, I don't have "OEM Unlock" as well for more than a month, KG State is prenormal.
[Samsung Galaxy S9+ Guides, News, & Discussion] ettore88:
Hi guys.Sorry for the insistence.I ask just a question. I followed this guide.It went all right.When there will be a new release of Android PIE, will I always have to unlock the OEM? Once unlocked, the OEM remains unlocked forever even if I remove the root by installing the stock fw via Odin?
[Samsung Galaxy S9+ Guides, News, & Discussion] JasenkoP:
Lucky me. I actually went to rhe twrp thread and followed that guide and i managed to install twrp and boot up stock pie but after my first reboot i go that bootloop msg *only.....can be flashed*. I reflashed pie stock and i had Oem unlock already, rmm state checking. So I followed this guide and successfully installed latest twrp and Im on Soldiers Rom currently
[Samsung Galaxy S9+ Guides, News, & Discussion] daviddema:
Where did you buy your S9? Pls post your csc codes from settings -> about phone -> software information -> carrier SW info

Phones from some countries seem to never clear the RMM prenormal state...
[Samsung Galaxy S9+ Guides, News, & Discussion] Lolinajdi:
Magisk

Are its work on s9+ sm-g965f/ds?
[Samsung Galaxy S9+ Guides, News, & Discussion] gaww:
Yes - I have the same.