missing OEM UNLOCK on Oreo on C9 Pro - Samsung C9 Pro Questions & Answers

Hello people,
I been almost crazy to look for howto's on how to restore OEM UNLOCK on my C9 Pro after upgrading from 7.1.1. To 8.0
Could anyone with good heart please point me *working howto* how to restore it? All of the howto's for Samsung S9 etc seems not working for my C9 Pro.
Thank you mates in advance!
Merry Christmas everyone.

That got removed you cant restore it you need to go back to 7.1.1 enable it and update to oreo

Ive done this so many times, from 7.1.1 OEM UNLOCK is appearing, after upgrading/flashing via Odin to 8.0, OEM UNLOCK is missing.
Or I am missing other way of upgrading to Oreo, you might share it.
Thank you mate!

No on oreo you cant see that option thats only on 7.1.1 and before you need to enable and upgrade to oreo after upgrade to oreo that will still be missing but that is enabled

YusufGKT said:
No on oreo you cant see that option thats only on 7.1.1 and before you need to enable and upgrade to oreo after upgrade to oreo that will still be missing but that is enabled
Click to expand...
Click to collapse
if it is enable, then why i am failing to install TWRP on OREO? I badly need TWRP/Recovery access for me to install Dolby Atmos, my phone volume is weak, and Dobly Atmos improves it.
or is there any way to install Dolby Atmos without accessing the TWRP/Recovery?
thank you.

noknok79 said:
if it is enable, then why i am failing to install TWRP on OREO? I badly need TWRP/Recovery access for me to install Dolby Atmos, my phone volume is weak, and Dobly Atmos improves it.
or is there any way to install Dolby Atmos without accessing the TWRP/Recovery?
thank you.
Click to expand...
Click to collapse
I think you are doing clean installation you need to upgrade and idk if it will help but i had installed twrp on 7.1.1 and installed dm verity zip and updated to oreo

YusufGKT said:
I think you are doing clean installation you need to upgrade and idk if it will help but i had installed twrp on 7.1.1 and installed dm verity zip and updated to oreo
Click to expand...
Click to collapse
yes, i'm doing clean install via Odin. the update to Oreo is via OTA? the dm verity.zip will make it update to OREO via Over-The-Air?

YusufGKT said:
I think you are doing clean installation you need to upgrade and idk if it will help but i had installed twrp on 7.1.1 and installed dm verity zip and updated to oreo
Click to expand...
Click to collapse
you would mind sharing the dm-verity.zip file/link that will allowed to upgrade Oreo via OTA?
thank you mate!

Dm verity is a thing to make twrp use internal storage https://www.mediafire.com/file/cecppmkk81pdd8b/Disable_Dm-Verity_ForceEncrypt_09.02.2018.zip/
Sent from my SM-C900F using Tapatalk

up! I was able to make the OEM UNLOCK features ON, on a combination flash. BP file from HK 7.1.1, AP file fro INDIA 8.0.0 and the CP and CSC are from HK 8.0.0 all STOCK rom files, with C900F as signature firmware.
I was able to run smoothly with my C9 Pro SM-C9000, but it bootloop when i flashed all TWRP both for Nougat and Oreo via ODIN.
can you please guide me to how to root my combined firmware, I need to install Magisk.
thank you!

c9000 oem unlok
hello friend
i have try all the method to unlock oem
adb method -not work
twrp -not work
i have search too many software - not work
update manually by changing the date - not work
i want to root my c9 pro
without oem unlock odin will not work
is there any help

usm_usm said:
hello friend
i have try all the method to unlock oem
adb method -not work
twrp -not work
i have search too many software - not work
update manually by changing the date - not work
i want to root my c9 pro
without oem unlock odin will not work
is there any help
Click to expand...
Click to collapse
Hi.. Please try the methods.
https://forum.xda-developers.com/c9-pro/development/twrp-c9ltechn-t3646970/post77706362
Good Luck

oem is missing
TPD-21 said:
Hi.. Please try the methods.
https://forum.xda-developers.com/c9-pro/development/twrp-c9ltechn-t3646970/post77706362
Good Luck
Click to expand...
Click to collapse
my friend i have try all the method
but oem is missing
twrp .i have install from google store but error (package installer keeps stopping close app)
i have try adb to install twrp and superUS .but it show ( waiting for the devices ) .. all other commends are working but install app and oem unlock is not working ..
is there any solution ?

problem solve
usm_usm said:
my friend i have try all the method
but oem is missing
twrp .i have install from google store but error (package installer keeps stopping close app)
i have try adb to install twrp and superUS .but it show ( waiting for the devices ) .. all other commends are working but install app and oem unlock is not working ..
is there any solution ?
Click to expand...
Click to collapse
i have down grade and oem back

samsung c9000
I want to downgrade 8.0 to nought Sm c9000 pls help me

Related

[GUIDE] How to get Magisk Root & Xposed on Oreo 8.0 (STOCK)

I'M NOT RESPONSIBLE IF YOUR DEVICE BRICKS, SD CARD DAMAGES OR NUCLEAR WAR STARTS.
Rooting method described below will work on Oreo-running devices ONLY (confirmed on build OPN27.76-12-22 and on OPNS27.76-12-22-9).
Please follow all steps very carefully and make sure you downloaded correct versions of all .zip files mentioned in my instruction!
ROOT (SafetyNet test will PASS!)
1. Download all files listed below:
- twrp-3.2.3-0-addison.img (CLICK)
- Magisk-v17.1.zip or newer if availabe (CLICK)
- f2fsfix-2018.9.2.zip (CLICK)
2. Flash TWRP using Fastboot:
Code:
fastboot flash recovery twrp-3.2.3-0-addison.img
3. Flash Magisk-v17.1.zip (or newer if available).
4. Go to TWRP/Settings and open Terminal.
5. Run both of following commands:
Code:
echo KEEPVERITY=true>>/data/.magisk
echo KEEPFORCEENCRYPT=true>>/data/.magisk
6. Flash f2fsfix-2018.9.2.zip
7. Reboot (it is crucial in case of installing Xposed afterwards).
8. Optional but recommended: update your Magisk Manager to the latest version (CLICK).
9. Open Magisk -> Modules and update f2fs-loopback-bug-workaround module to the newest version (can be done only via Magisk Manager only if new version of f2fs-loopback-bug-workaround module is available).
10. Enjoy rooted Oreo.
UPDATE 03.10.2018
If you flashed everything as described in OP and noticed that you got stuck in boot, go to TWRP again and:
1. Uninstall Magisk using latest Magisk uninstaller.
2. Flash Magisk 17.1.zip AGAIN (yes.).
3. Flash f2fsfix-2018.9.2.zip
4. Enjoy rooted phone.
PS. I do not know why device does not start after first flashing to be honest, but these four steps above are confirmed by several users (and by me).
UPDATE 03.10.2018
XPOSED (be careful: Xposed for Oreo is still in BETA distribution and flashing it will break your SafetyNet!)
1. Open Magisk Manager -> Downloads.
2. Download Xposed Installer (the one from the screen below):
https://image.ibb.co/byLUuK/Xposed_Framework.png
3. Let Magisk install it.
4. Reboot.
5. Open Xposed Installer (you will see orange exclamation mark, don't worry).
6. Reboot once again.
7. Voila.
Hit THANKS if I helped!
Credits:
- @topjohnwu
- @rovo89
- @Artim_96
- @VR25
@rafikowy ah, so basically the problem was with dm-verity and forced encryption? That makes sense. So it would basically also work if you'd not extract the boot.img from the OTA zip and mod it with Magisk manager with both enabled and flash that (might be easier than flashing normal Magisk and then make the changes), so you'd basically just flash the img and the module zip in TWRP.
Well, if no bigger bugs appear I might try the Oreo OTA and root tomorrow. Don't think it will be here on its own till then, even if it's already the official rollout (Indian and brasilian users seem to get it officially)
First magisk manager did not want to open, but a reboot solved. thanks
So, Lenovorola is still "undecided" in regards to patching F2FS.
I wonder why...
Where can I find the firmware or OTA to update Oreo on my 1635-02 with Android 7.1.1 Patch December? Is possible back to Stock Oreo or Nougat?
Necrodaemon said:
Where can I find the firmware or OTA to update Oreo on my 1635-02 with Android 7.1.1 Patch December? Is possible back to Stock Oreo or Nougat?
Click to expand...
Click to collapse
Only a Soak test is available, the link is in the thread in the ROM section. And yes, it doesn't seem to update your bootloader, it was already successfully testet to go back to 7.1.1
Necrodaemon said:
Where can I find the firmware or OTA to update Oreo on my 1635-02 with Android 7.1.1 Patch December? Is possible back to Stock Oreo or Nougat?
Click to expand...
Click to collapse
Look at
https://forum.xda-developers.com/mo...se-attempt-t3812530/post76991120#post76991120
not work - moto z play - oreo soak
Unfortunately it does not work. : (TWRP prompts for a PIN to decrypt data.) How to select cancel and install Magisk on installation f2fs-loopback-bug-workaround-2018.1.31.zip displays an error that does not detect magisk or is incompatible. How do I format the date everything is installed but the phone does not turn on... Any idea?
Sorry but, if verity is enabled, that means you are unable to modify /system files?
Necrodaemon said:
Where can I find the firmware or OTA to update Oreo on my 1635-02 with Android 7.1.1 Patch December? Is possible back to Stock Oreo or Nougat?
Click to expand...
Click to collapse
You can go back, problem is you will lose IMEI by going back to Nougat.
huma_dawii said:
You can go back, problem is you will lose IMEI by going back to Nougat.
Click to expand...
Click to collapse
I gone back to 7.1.1 Nov patch and everything is OK with my IMEI. Just flash 7.1.1 Plus ROM with TWRP. One issue what I have - In can't mount OEM partition in TWRP.
Could someone provide a TWRP backup of the 8.0 Soak? I've modified the system partition and this method stoped working. All the 8.1 roms have a so bugged camera, I don't wanna go back to them
Camarda said:
Could someone provide a TWRP backup of the 8.0 Soak? I've modified the system partition and this method stoped working. All the 8.1 roms have a so bugged camera, I don't wanna go back to them
Click to expand...
Click to collapse
Here are system and boot from 8.0 soak test. Just unrar it adn put to TWRP folder with your backups.
St.Noigel said:
Here are system and boot from 8.0 soak test. Just unrar it adn put to TWRP folder with your backups.
Click to expand...
Click to collapse
I've restored the backup, but I'm still unable to boot with magisk. Don't know what is wrong now
Camarda said:
I've restored the backup, but I'm still unable to boot with magisk. Don't know what is wrong now
Click to expand...
Click to collapse
1. Restore backup
2. Flash Magisk 15.3
3. Flash this https://forum.xda-developers.com/apps/magisk/guide-magisk-official-version-including-t3577875
4. Flash this https://forum.xda-developers.com/apps/magisk/module-tool-magisk-manager-recovery-mode-t3693165
5. Go to the terminal in TWRP and run two commands:
- mm
- f
Reboot.
That's all. You don't need to run commands from OP.
IF I help you - you can buy me a beer )))))
Can i go back to 7.1.1 and relock bootloader ??
Hi,
Can anyone help me, i have updated to Oreo (Soak Update) and now i wanna go back to Nougat 7.1.1 NPNS26.118-22-2-12 and re-lock bootloader, is it possible ?? if yes guide me
thanks in advance
LovinVEVO said:
Hi,
Can anyone help me, i have updated to Oreo (Soak Update) and now i wanna go back to Nougat 7.1.1 NPNS26.118-22-2-12 and re-lock bootloader, is it possible ?? if yes guide me
thanks in advance
Click to expand...
Click to collapse
Nope. It's impossible for now. You can`t go back to full stock, because you'll lose your IMEI with flashing full 7.1.1 FW with RSD or fastboot.
St.Noigel said:
1. Restore backup
2. Flash Magisk 15.3
3. Flash this https://forum.xda-developers.com/apps/magisk/guide-magisk-official-version-including-t3577875
4. Flash this https://forum.xda-developers.com/apps/magisk/module-tool-magisk-manager-recovery-mode-t3693165
5. Go to the terminal in TWRP and run two commands:
- mm
- f
Reboot.
That's all. You don't need to run commands from OP.
IF I help you - you can buy me a beer )))))
Click to expand...
Click to collapse
Did everything, but still stuck at bootanimation. Only boots if I unninstall magisk.
Camarda said:
Did everything, but still stuck at bootanimation. Only boots if I unninstall magisk.
Click to expand...
Click to collapse
If you have bootanimation - just wait few minutes
St.Noigel said:
If you have bootanimation - just wait few minutes
Click to expand...
Click to collapse
Just waited for 30 minutes. It wont boot

BL unlock and Magisk, will OTA updates work?

Hi,
So I'm just step before unlocking Bootloader and flashing Magisk but the question is - will I be able to install OTA updates directly from android without triggering bootloop?
meciu99 said:
Hi,
So I'm just step before unlocking Bootloader and flashing Magisk but the question is - will I be able to install OTA updates directly from android without triggering bootloop?
Click to expand...
Click to collapse
I'm not 100% sure but I think once you obtain root OTAs won't get applied because you would have flashed custom recovery while getting root access.
Sent from my ONEPLUS 6T using XDA-Legacy App
meciu99 said:
Hi,
So I'm just step before unlocking Bootloader and flashing Magisk but the question is - will I be able to install OTA updates directly from android without triggering bootloop?
Click to expand...
Click to collapse
treetolber said:
I'm not 100% sure but I think once you obtain root OTAs won't get applied because you would have flashed custom recovery while getting root access.
Sent from my ONEPLUS 6T using XDA-Legacy App
Click to expand...
Click to collapse
Just answered a similar question here and here
Alternatively follow the update thread for easy instructions :good:
Funk Wizard said:
Just answered a similar question here and here
Alternatively follow the update thread for easy instructions :good:
Click to expand...
Click to collapse
Alright so the full zip will be auto downloaded if there's something modified. Can it detect magisk and replace the boot image as well since it's not a system modification?
Is anyone having issues installing the OTA?
My device saw the update but when I hit install I get "Couldn't update installation problem" I have Magisk installed on the Tmobile oneplus 6T and I've tried to update after removing Magisk but it did not work, please advise.
taxi333 said:
Is anyone having issues installing the OTA?
My device saw the update but when I hit install I get "Couldn't update installation problem" I have Magisk installed on the Tmobile oneplus 6T and I've tried to update after removing Magisk but it did not work, please advise.
Click to expand...
Click to collapse
Flash full ota zip via sideload
taxi333 said:
Is anyone having issues installing the OTA?
My device saw the update but when I hit install I get "Couldn't update installation problem" I have Magisk installed on the Tmobile oneplus 6T and I've tried to update after removing Magisk but it did not work, please advise.
Click to expand...
Click to collapse
Uninstall magisk and then try installing the OTA, if no go, flash the unmodified fastboot files and then try again.
H4X0R46 said:
Alright so the full zip will be auto downloaded if there's something modified. Can it detect magisk and replace the boot image as well since it's not a system modification?
Click to expand...
Click to collapse
As long as you don't hide system updates in Magisk hide system will prompt and download full zip instead of incremental and upon flash the full zip it will replace the boot to stock boot.
taxi333 said:
Is anyone having issues installing the OTA?
My device saw the update but when I hit install I get "Couldn't update installation problem" I have Magisk installed on the Tmobile oneplus 6T and I've tried to update after removing Magisk but it did not work, please advise.
Click to expand...
Click to collapse
Uninstall Magisk and download and install full zip, you may require t-mobile certitied full zip if the global does not work so make sure you download from the system instead of the links floating around which will be the global rom.

G950F Pie Root

Will the current version of TWRP and Magisk work or should I wait a while?
Acclaiming said:
Will the current version of TWRP and Magisk work or should I wait a while?
Click to expand...
Click to collapse
Twrp is device specific not android version specific
Magisk generally works with all android versions
If you can unlock your bootloader your set to go
TWRP works on 955F on pie beta, but as I said there, it doesn't work on rooted or debloated devices.You can use TWRP, but without root.
I have pie. Twrp recovery, rooted magisk 18 and heavily debloated. Works fine.
Don't listen to him
how did they do it to root it? I have android foot beta 950F, thanks
is there an tutorial to root pie??? cos i unlocked bootloader, (oem Unlocker) but in downloadmode i still get the rmm prenormal message....
lambik333 said:
is there an tutorial to root pie??? cos i unlocked bootloader, (oem Unlocker) but in downloadmode i still get the rmm prenormal message....
Click to expand...
Click to collapse
This should help with the RMM state,twrp and root. As far as I am aware it's still the same process as with Oreo/nougat
https://forum.xda-developers.com/sa...w-to/guide-root-install-twrp-samsung-t3747535
Very Interseting
Im sorry, but please can you explain how you done it?
I don't know if the Aroma debloater will work with it oder other mods like dolby atmos und build.prop tweaks..
still93 said:
I have pie. Twrp recovery, rooted magisk 18 and heavily debloated. Works fine.
Don't listen to him
Click to expand...
Click to collapse
Hi,
Does anyone know if it is currently possible to flash the update from twrp without a reset and maintain root? Or if root if possible how to achieve it?
I have the same question, any way to do it without wiping all data..? or rooting without TWRP impossible? like kingroot or something.
Pie update (official) messed my s8 and it got stuck on bootloop, i had to flash trough odin and now i have broken knox forever, great.. I don't want to wipe all data again and I would like to possibly unroot if i root.

Root with app.

hello I have tried several applications to try to get root on my redmi 3s device without getting good results. I would like to get root without adb or fastboot, just with some application. I already tried with kingroot, framaroot, a Chinese native etc .... the version that I have installed today is MIUI 10.2 stable version running marshmallow 6.0.0. thanks for helpme:good:
When I wanted to root, I also used all of these apps but they could not root my REdmi 3s. If you have a PC best way is to unlock the bootloader and then install TWRP and then flash magisk or SuperSU zip file.
harshitsharma03082005 said:
When I wanted to root, I also used all of these apps but they could not root my REdmi 3s. If you have a PC best way is to unlock the bootloader and then install TWRP and then flash magisk or SuperSU zip file.
Click to expand...
Click to collapse
Yes friend, that is indeed the best way, what I wanted is to find an application that would do it by itself, I think that with the MIUI stable you can not without PC. I already have the bootloader unlocked for years, but I reinstalled the stable MIUI and I left it like that, in the past I tried many ROMs. Thank you very much for trying to help, it does so in console and with the command adb fastboot flash recovery.
AFAIK there might be no app that could root MIUI phones or perhaps newer android versions because I tried using these apps on my Lenovo K8 Note also which is stock Android 8.1 and they couldn't root that either.
harshitsharma03082005 said:
AFAIK there might be no app that could root MIUI phones or perhaps newer android versions because I tried using these apps on my Lenovo K8 Note also which is stock Android 8.1 and they couldn't root that either.
Click to expand...
Click to collapse
Yes brother, make root with super su or magisk, in twrp recovery.
After flashing cutom rom ( Reloaded) the phone LOOSES root access...i checked via root checker. I tried flashing SuperSu via TWRP but that also does not work.
I have tried all apps available on playstore
Any solution ?
asn39 said:
After flashing cutom rom ( Reloaded) the phone LOOSES root access...i checked via root checker. I tried flashing SuperSu via TWRP but that also does not work.
I have tried all apps available on playstore
Any solution ?
Click to expand...
Click to collapse
Try with magisk.zip.

is there any root method for Shield TV 2017 firmware 8.2.0

As title, do we have any way to root it with magisk yet?
I'm wondering myself. I tried to root with "magisk_shieldtvpie_r2.zip and although it seemed to have installed, after restarting I still didn't have root
I know you said you wanted magisk but have you tried the Nvidia Sheild developer only OS images?
Those come with included root.
https://developer.nvidia.com/shield-developer-os-images
My problem is I don't know if I can update my developer only OS image 8.1 to 8.2 without losing all my apps. I left the bootloader unlocked. Wondering why I couldn't simply flash developer os 8.2 over 8.1 if bootloader is unlocked?
dovedescent7 said:
I know you said you wanted magisk but have you tried the Nvidia Sheild developer only OS images?
Those come with included root.
https://developer.nvidia.com/shield-developer-os-images
My problem is I don't know if I can update my developer only OS image 8.1 to 8.2 without losing all my apps. I left the bootloader unlocked. Wondering why I couldn't simply flash developer os 8.2 over 8.1 if bootloader is unlocked?
Click to expand...
Click to collapse
u might want to check before anything.. i got the 2019 pro dev os firmware and it was actually just regular firmware lol
but i rooted with latest magisk.. not sure y anyone would have issues rooting
tha kid2012 said:
I'm wondering myself. I tried to root with "magisk_shieldtvpie_r2.zip and although it seemed to have installed, after restarting I still didn't have root
Click to expand...
Click to collapse
i just fastboot boot twrp then flashed latest magisk on my 2019 pro 8.2.0
Maybe I'm doing it wrong, haven't flashed anything in a while and the place I use to get step by step guides from (nvidiashieldzone) shut down. Mind telling me the steps that you used to root?
tha kid2012 said:
Maybe I'm doing it wrong, haven't flashed anything in a while and the place I use to get step by step guides from (nvidiashieldzone) shut down. Mind telling me the steps that you used to root?
Click to expand...
Click to collapse
just check the twrp thread or the many other root threads
elliwigy said:
u might want to check before anything.. i got the 2019 pro dev os firmware and it was actually just regular firmware lol
but i rooted with latest magisk.. not sure y anyone would have issues rooting
Click to expand...
Click to collapse
Did you lose Dolby vision and got Netflix issues when rooting with the dev os image on the Nvidia Shield 2019?
I'm installed the magisk but bootloop in nvidia logo, I have 2017 with 8.2 developers firmware so I can get root privileges any help?
baba702 said:
I'm installed the magisk but bootloop in nvidia logo, I have 2017 with 8.2 developers firmware so I can get root privileges any help?
Click to expand...
Click to collapse
I successfully root on normal firmware 8.2.0 with the lastest magisk. I dont know about the developer firmware.
1. I disable all magisk modules and restart
2. Boot to fastboot mode
3. Download and extract the firmware .
4. Run flash all.bat to flash the 8.2.0 firmware
5. Reboot after complete(let the shield completely boot up)
6. Use magisk manager which previously installed to patch the boot.img
7. Reboot shield to fastboot mode and flash the patched boot.img
8. Rebbot
9. Now i enable modules.
question to you guys who have rooted.
Did you get AFwall+ to work?
I have both 2017 Pro model shield and 2019 Pro model. I would like to root so I can uninstall all the crap, and then install AFwall+ firewall and just enable outgoing twitch, spotify, youtube, and some small services I use..
elliwigy said:
just check the twrp thread or the many other root threads
Click to expand...
Click to collapse
rogeriskira said:
Did you lose Dolby vision and got Netflix issues when rooting with the dev os image on the Nvidia Shield 2019?
Click to expand...
Click to collapse
Also curious.. Did you loose any of these functionalities when using dev image and rooting .. ?
I had developer image 8.2.0 installed on the Nvidia 2017 16gb, updated via Ota to latest 8.2.2 but lose root, how do I root again? Thanks
Has anyone found a way to root 8.2.2 yet?
dovedescent7 said:
I know you said you wanted magisk but have you tried the Nvidia Sheild developer only OS images?
Those come with included root.
https://developer.nvidia.com/shield-developer-os-images
My problem is I don't know if I can update my developer only OS image 8.1 to 8.2 without losing all my apps. I left the bootloader unlocked. Wondering why I couldn't simply flash developer os 8.2 over 8.1 if bootloader is unlocked?
Click to expand...
Click to collapse
flash develop rom
tinhsoftware said:
I successfully root on normal firmware 8.2.0 with the lastest magisk. I dont know about the developer firmware.
1. I disable all magisk modules and restart
2. Boot to fastboot mode
3. Download and extract the firmware .
4. Run flash all.bat to flash the 8.2.0 firmware
5. Reboot after complete(let the shield completely boot up)
6. Use magisk manager which previously installed to patch the boot.img
7. Reboot shield to fastboot mode and flash the patched boot.img
8. Rebbot
9. Now i enable modules.
Click to expand...
Click to collapse
I just got Shield the other day and it came with 8.2. Would flashing with rooted firmware wipe it clean? Same for just rooting it?

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