OEM vs Bootloader lock. - Samsung Galaxy Tab A series Guides, News, & Discus

The guide to unlocking the bootloader on the newer Samsung tablets seems to cause confunsion about what the OEM Enable switch does. First of all, the OEM switch has no direct bearing on the Bootloader lock. That switch has been around for quite a while but the Bootloader lock is a fairly new addition with a different purpose. Personally, I think OEM Enalble is mislabeled. I should read FRP Enalble. In the early days of Android, if your tablet was stolen, all the thief had to do to get around your lock screen, was to boot to recovery and perform a Factory Reset. To stop this, Google came up with the Factory Reset Prevention (FRP) lock. With that lock in place, if the tabet is Factory Reset, the thief would have to know the Google Account login and password in order to use the tablet.
The Bootloader lock serves an entirely different purpose. Google assumes that any software that they haven't vetted, poses a security risk. Not just for that tablet, but possibly others as well. (IMO, they also think it poses a risk to most users of bricking the tablet.) So they added the Bootloader lock to make installing custom ROMs more difficult. You can't use Odin to flash anything but stock ROMs so long as the bootloader is locked.
Now here is where the confusion comes in. The instruction say to enable Dev mode and OEM mode. You DO need Dev mode enabled in order to flash. But enabling OEM mode only means you don't have enter the Google info after flashing. And the instuctions say to skip adding a Google Account when you first reboot. And without a Google Account, there can be no FRP lock, so OEM Enable is now greyed out. IT ISN"T NEEDED!!!!!

What is FRP (click)
How to disable FRP (click)
*** you maybe need to click on the right side on the cross above the photo to see the content ***

Related

How to remove google account on Nexus 6 Nougat ?

I have a problem on my Nexus 6 with android 7
i can't flash downgrade other verison because can't unlock bootloader ,
i can't choise unlock OEM because it have google account ,
everybody can help me !
EDIT: My original comments were related to bypassing Factory Reset Protection, based upon the post's mention of not being able to OEM unlock because of the presence of a Google account. Taking a second reading of it, the situation may not be that cut-and-dried.
Unlocking the bootloader doesn't require a Google account to accomplish. All that matters is being able to get into Developer Options and then using fastboot commands in the bootloader. Unlocking the bootloader I do believe can be done with the toggle grayed out in that position, but I believe you would need to sideload an Android 6.0.1 OTA to do it.
Check out this post and see if that helps you out.

Need to Completely wipe a Motorola Nexus 6

I got received a Nexus 6 the other day and can't unlock it because it wants the last account user to sign in. But know one knows what it is. I tried to wipe data/factory reset from what motorola support said but it still brings me into the screen asking for the email address. Any way to bypass this?
Factory Reset Protection is what you're dealing with. It's virtually impossible to bypass, meaning you have to know the information for the last account used on the device. Don't ask Google for help, because they won't provide any.
Strephon Alkhalikoi said:
Factory Reset Protection is what you're dealing with. It's virtually impossible to bypass, meaning you have to know the information for the last account used on the device. Don't ask Google for help, because they won't provide any.
Click to expand...
Click to collapse
So there is absolutely nothing at all that can be done? The only thing I don't have is the account info so there must be something that can just completely wipe it of its memories.
Masonator_89 said:
So there is absolutely nothing at all that can be done?
Click to expand...
Click to collapse
Correct. Unless you know the account info, you will be unable to access the device. As for completely wiping the memory, that can't be done via software otherwise FRP would have no teeth.
Strephon Alkhalikoi said:
Correct. Unless you know the account info, you will be unable to access the device. As for completely wiping the memory, that can't be done via software otherwise FRP would have no teeth.
Click to expand...
Click to collapse
Alright, thanks.
Can't he install a custom ROM then NOT flash gapps? Hoping it wouldn't come up with setup, then tick OEM unlock that way it wontask for FRP.
Twiggy000b said:
Can't he install a custom ROM then NOT flash gapps? Hoping it wouldn't come up with setup, then tick OEM unlock that way it wontask for FRP.
Click to expand...
Click to collapse
His bootloader is locked, and as such he can't flash anything. If the bootloader was unlocked, FRP would have been disabled and this discussion wouldn't have taken place.
Strephon Alkhalikoi said:
His bootloader is locked, and as such he can't flash anything. If the bootloader was unlocked, FRP would have been disabled and this discussion wouldn't have taken place.
Click to expand...
Click to collapse
Isn't the boot loader the little menu with the tons of technical data/options?
@Masonator_89: Yep.
What do you mean it is locked? Like it is operational and everything.
@Masonator_89: The bootloader being locked doesn't prevent the bootloader from functioning, but does prevent you from making changes to the device. Take a careful look in the bootloader data at the bottom of the screen. It reports its status (locked or unlocked).
To unlock the bootloader you have to boot into Android, dig into the hidden developer options menu in settings, toggle the OEM Unlocking switch, then enter the bootloader to actually unlock the bootloader. Since you are dealing with FRP, you can't get into Android to toggle OEM Unlocking so the bootloader can be unlocked.
With an unlocked bootloader FRP is disabled. Since FRP is functioning, the bootloader must be locked.
Strephon Alkhalikoi said:
@Masonator_89: The bootloader being locked doesn't prevent the bootloader from functioning, but does prevent you from making changes to the device. Take a careful look in the bootloader data at the bottom of the screen. It reports its status (locked or unlocked).
To unlock the bootloader you have to boot into Android, dig into the hidden developer options menu in settings, toggle the OEM Unlocking switch, then enter the bootloader to actually unlock the bootloader. Since you are dealing with FRP, you can't get into Android to toggle OEM Unlocking so the bootloader can be unlocked.
With an unlocked bootloader FRP is disabled. Since FRP is functioning, the bootloader must be locked.
Click to expand...
Click to collapse
Thanks for clarifying!
Incorrect information. I unlocked my bootloader on Day 1. I have had this situation arise after a year when I did a reset and this is what I did to bypass it (may not work for everyone). Haven't tried this on Nougat but it worked previously and saved me lots of headache. I factory reset phone again and when setup came up, I tapped the 4 corners to bypass setup. Then I just added an account. Like I said, your mileage may vary. Unlocking a bootloader does not necessarily prevent this from happening. I think it's stupid af. I had to change my dang password because google told me via email that someone tried to log into my account from california or some shizzz. BAM! locked out. Hope this helps
If you do some google searching... It says a few places that OEM unlocking disables any google locking... So, just to clarify I'm pretty sure it is possible with our devices. Not so much for my mothers G4.
buschris said:
Incorrect information. I unlocked my bootloader on Day 1. I have had this situation arise after a year when I did a reset and this is what I did to bypass it (may not work for everyone). Haven't tried this on Nougat but it worked previously and saved me lots of headache. I factory reset phone again and when setup came up, I tapped the 4 corners to bypass setup. Then I just added an account. Like I said, your mileage may vary. Unlocking a bootloader does not necessarily prevent this from happening. I think it's stupid af. I had to change my dang password because google told me via email that someone tried to log into my account from california or some shizzz. BAM! locked out. Hope this helps
Click to expand...
Click to collapse
I dispute your assertion that the information is incorrect, especially as other members have reported that FRP was disabled when the bootloader was unlocked.
As for the old (Android 2.x-era) trick of bypassing setup, I seriously doubt Google would have left that unpatched. If that were true then Rootjunky would have never needed to post "how-to-bypass" videos, none of which utilize that trick.
@Masonator_89
This has worked for me in the past. But i cant remember if i needed an unlocked bootloader or not.
https://www.youtube.com/watch?v=YjulfoWDnuM
older way to bypass FRP
http://forum.xda-developers.com/nexus-6/general/guide-frp-bypass-solution-usb-otg-t3261846
SynisterWolf said:
@Masonator_89
This has worked for me in the past. But i cant remember if i needed an unlocked bootloader or not.
https://www.youtube.com/watch?v=YjulfoWDnuM
older way to bypass FRP
http://forum.xda-developers.com/nexus-6/general/guide-frp-bypass-solution-usb-otg-t3261846
Click to expand...
Click to collapse
That first video link (which showed me another more in depth video) really actually absolutely helped!!!! I'm absolutely amazed! Very much thanks to you (and everyone who said it couldn't be done)
@Masonator_89: Since there was no way to know what version of Android was on the device, I have to assume the latest version, which is pretty well nailed down. You've reminded me however not to get involved in Factory Reset Protection discussions in the future.
XDA moderators and staff don't agree with my stance on this, but bypassing FRP only encourages thieves instead of discouraging them. I do not believe discussion of how to bypass FRP should be permitted on site, as the entire intent of FRP is to prevent what you accomplished: getting into the device so it can be reset. Since it's impossible to know whether the person asking is on the up and up, I have to assume that the person asking doesn't actually own the device.
The only legitimate methods of defeating FRP are to have the seller remove the account from the device, or for the seller to provide you with the username and password used to get into the device. Providing any other method of accessing the device when FRP is in play opens up the poster to being an accessory to a potential crime.
I understand that this position will lead to a lot of "collateral damage" since perfectly honest people like you seem to be will get caught in the crossfire. I apologize for that, but it is a cost I'm willing to pay to ensure my ethics remain intact in spite of XDA's policies on the matter.

Permanently Unlock Bootloader

Is it possible to permently unlock OEM and Remove FRP From Note 5 .
So there wouldn't be a risk of bricking it by disable OEM Option in developer options (thus rendering the device useless).
I REALLY Think FRP (Factory Reset protection) Is so stupid.
If I wanted to Make my Device Safe I Could Easily UNROOT IT and Add Pin/Password..
At least samsung should give us a a password that we could get on SMS or at the Repair Center by verifying our phone ownership..
There wasn't so many risks with the Note 4 I used to flash hundreds of Roms without worrying about this.
i have the same problem with the stupid frp lock ive done everything dm verification failed and frp lock combo now my expensive note 5 is a paper weight
I have the Note 5 (SM-N9200) and can't get te factory bootloader unlocked to save my life and it doesn't have the OEM unlock feature and CROM Service doesn't work do anything but crash when I open it. I've been up here for like a month trying to get help on it.
Yeah I'd like to figure this out too. I managed to recover my phone after FRP triggered but I'd like to remove FRP and custom binary protection completely to disable development mode without fear of locking. Hope someone will find out how to do it. Also I'm wandering where does FRP live (bootloader, kernel?) and how does it perform custom binary check. Just curious...

If FRP got unlocked by Combination files, would it be possible to be back to lock:eek:N?

If FRP got unlocked by Combination files, would it be possible to be back to lockN?
I am trying to unlock FRP, and I found tons of tutorials guiding you how to unlock/bypass FRP.....
I am wondering if it is possible to get it back to FRP lock: ON state later.
warking said:
I am trying to unlock FRP, and I found tons of tutorials guiding you how to unlock/bypass FRP.....
I am wondering if it is possible to get it back to FRP lock: ON state later.
Click to expand...
Click to collapse
You can, just enter a Google account and turn on screen lock, then reset the phone without removing those two items first.
FRP lock state will be on again, that's how it gets activated to begin with.
By the way, were you able to remove FRP using combination files? I've read you can't on the new S10 series, only by some other methods.

Question Missing OEM Unlock on Cellular VZW S8+ (SM-X808U)

Hey guys,
I've searched the forum but nobody seems to have reported the issue I'm experiencing. The way the posts are worded, unlocking the Tab S8+ is a given. I know the US S22 has no OEM Unlocking officially supported. I've followed all the workarounds to get the option to appear to no avail.
My only theory is that VZW hasn't yet unlocked my S8+ (if it was ever locked to begin with, nevertheless I've owned it less than 60 days). Can anybody confirm if this model can be bootloader unlocked by conventional means either prior or after carrier unlock?
Hi! I'm going to try to find the other user's post who enlightened me in this section, but I might have trouble finding it.
Effectively, no U.S. carrier's version of previous and current Samsung Galaxy Tabs can have the bootloader unlocked - at least that's what I remember them telling me. You have to buy the Wi-Fi only version to be able to unlock the bootloader.
Now - SIM unlock, I know nothing about on the Tabs. Normally no matter what U.S. carrier, that I'm aware of, once you pay off your device (if financed), they'll SIM unlock the device, and although you can relate the two things (SIM and bootloader unlocking), they are completely separate and it's only certain U.S. phones (not Samsung phones or tablets) that getting SIM unlock enables you to also do OEM unlocking, and therefore be able to unlock the bootloader.
Verizon never allows the bootloader to be unlocked on any kind of device, no matter what, and all U.S. Samsung carrier devices - both phones and tablets, are never able to get their bootloader unlocked. I'm not including the rare exception that there's a hack to be able to get root - but most hacks circumvent the locked bootloader - they don't often actually allow the bootloader to be unlocked, and this sort of thing is rarer and rarer anymore.
Edit: I believe this is the post, by @googlephoneFKLenAsh.
Thank you for your thorough explanation. I was expecting the Tab to be the same situation as with the U.S. Galaxy phones, I just wasn't able to find confirmation of that.
I know Verizon is hostile to bootloader unlocking (case in point Pixel). So it was either gonna be my carrier and if not that my region.
Tablets do on rare occasion are exceptions (iirc ATT doesn't carrier lock tablets) so barring an explanation elsewhere I figured I'd post and have that question answered for myself and those concerned.
I don't understand the motivation behind it given that unlocking is already a process that can't be exploited by malware/spyware and carries a myriad of drawbacks/risks.
GlitterFartzz said:
... given that unlocking is already a process that can't be exploited by malware/spyware and carries a myriad of drawbacks/risks.
Click to expand...
Click to collapse
You're welcome!
I'm not sure I understand what you're saying here, or I'm not sure if you meant to say it differently.
An unlocked (or unlockable) bootloader can definitely be exploited without our awareness.
I agree that I don't understand the motivation - at least in contrast to AT&T and T-Mobile which apparently do allow bootloaders to be unlocked once their phones are paid for and SIM unlocked. I also don't know why or if AT&T and T-Mobile would not allow Samsung tablets to be bootloader-unlocked while allowing other brands.
Overall I think the motivation is the prevention of potentially more problems that users will have and also potentially brick their device and then they wind up with an unhappy customer because the carrier won't consider the device under warranty since it had been fiddled with in a way they're not willing to support (understandably).
Additionally, root malware would potentially be using their mobile network for nefarious purposes.
GlitterFartzz said:
Hey guys,
I've searched the forum but nobody seems to have reported the issue I'm experiencing. The way the posts are worded, unlocking the Tab S8+ is a given. I know the US S22 has no OEM Unlocking officially supported. I've followed all the workarounds to get the option to appear to no avail.
My only theory is that VZW hasn't yet unlocked my S8+ (if it was ever locked to begin with, nevertheless I've owned it less than 60 days). Can anybody confirm if this model can be bootloader unlocked by conventional means either prior or after carrier unlock?
Click to expand...
Click to collapse
I have the same s8+ 5G model and I'm unable to get to the unlock option from download mode. I have however managed to turn on the OEM unlock from android. It is very fiddly to get to the OEM unlock option, and it will disappear afterward. The method I used is to quickly go to the developer's options before the tablet fully started after a reboot. It will let you toggle the OEM unlock.
I'm waiting if someone found a way to get the bootloader unlock from download mode. Obviously I have tried all other methods ( e.g> cable + up+down volume )
It's actually not possible to unlock via download mode. Download mode is only used for Odin flashing and the like.
You have to get to the bootloader which I believe is power and vol up WITHOUT using the cable afaik.
If by some catastrophic reason you can't get into the bootloader after that, you can boot the device, enable USB debugging, plug into pc, and run adb reboot bootloader or adb reboot recovery.
killerzac said:
I have the same s8+ 5G model and I'm unable to get to the unlock option from download mode. I have however managed to turn on the OEM unlock from android. It is very fiddly to get to the OEM unlock option, and it will disappear afterward. The method I used is to quickly go to the developer's options before the tablet fully started after a reboot. It will let you toggle the OEM unlock.
I'm waiting if someone found a way to get the bootloader unlock from download mode. Obviously I have tried all other methods ( e.g> cable + up+down volume )
Click to expand...
Click to collapse
Have you been able to get the OEM unlocking switch to reappear after you've already toggled it?
If so, is it still on when it reappears? If it is then there's a high likelihood the device can then be unlocked.
GlitterFartzz said:
Have you been able to get the OEM unlocking switch to reappear after you've already toggled it?
If so, is it still on when it reappears? If it is then there's a high likelihood the device can then be unlocked.
Click to expand...
Click to collapse
yes, it remains as OEM unlocked. I even tried to see if this could be false positive by flipping OEM unlock back and forth. It has shown the setting is persistence, if you set OEM unlock it will stay unlock. If you set it back to OEM lock. It stays as OEM lock.
GlitterFartzz said:
It's actually not possible to unlock via download mode. Download mode is only used for Odin flashing and the like.
You have to get to the bootloader which I believe is power and vol up WITHOUT using the cable afaik.
If by some catastrophic reason you can't get into the bootloader after that, you can boot the device, enable USB debugging, plug into pc, and run adb reboot bootloader or adb reboot recovery.
Click to expand...
Click to collapse
nope, doesn't work. I tried ADB reboot bootloader or use the recovery to boot to bootloader, still no joy. I just can't get to the bootloader option which allows me to see the "Unlock bootloader options"
killerzac said:
nope, doesn't work. I tried ADB reboot bootloader or use the recovery to boot to bootloader, still no joy. I just can't get to the bootloader option which allows me to see the "Unlock bootloader options"
Click to expand...
Click to collapse
You are supposed to boot into bootloader mode and then use the fastboot tool to trigger the unlock.
Either fastboot flashing unlock or fastboot oem unlocking. Something like that.
GlitterFartzz said:
You are supposed to boot into bootloader mode and then use the fastboot tool to trigger the unlock.
Either fastboot flashing unlock or fastboot oem unlocking. Something like that.
Click to expand...
Click to collapse
yes, that is not working ( bootloader mode - doesn't let you choose ). Fastboot doesn't work with samsung, they deliberately change their code, try it yourself.
GlitterFartzz said:
You are supposed to boot into bootloader mode and then use the fastboot tool to trigger the unlock.
Either fastboot flashing unlock or fastboot oem unlocking. Something like that.
Click to expand...
Click to collapse
These are the necessary steps on this tablet to unlock the bootloader - it doesn't involve Fastboot from the Platform Tools. I am aware that on standard Android/AOSP that it does involve Fastboot since for my phones I choose Google Pixel devices.
skrowl said:
Step 1 - Prepare your Tablet (only necessary for first install on unrooted device)​
While Frija is downloading the firmware, prepare your device by doing the following:
Settings > About Tablet > Software Information > Click Build Number 7 times quickly
Developer Options (just below About Tablet on the left column)
Turn on USB Debugging
Turn on OEM unlocking
NOTE: If the OEM Unlocking option doesn't appear, connect the device to the internet, wait a few minutes, then try again
Power tablet completely off (Hold volume down + power button if you haven't changed the Bixby settings)
While holding volume up and volume down, plug the tablet into your PC via USB
Let go of volume keys as soon as the blue-green screen shows up
Press and hold volume up for 5 seconds, the screen will change to a confirmation prompt
Press volume up again to confirm, the tablet will reboot
Unplug your tablet from USB
Go through initial setup. Don't bother copying files or installing anything.
Skip signing in to your Google account and Samsung account. You won't be using them for this step.
Settings > About Tablet > Software Information > Click Build Number 7 times quickly
Developer Options (just below About Tablet on the left column)
Turn on USB Debugging
Reboot the tablet
Click to expand...
Click to collapse
roirraW edor ehT said:
These are the necessary steps on this tablet to unlock the bootloader - it doesn't involve Fastboot from the Platform Tools. I am aware that on standard Android/AOSP that it does involve Fastboot since for my phones I choose Google Pixel devices.
Click to expand...
Click to collapse
Ah I wasn't aware that some devices do not require fastboot to finalize unlock and instead immediately unlock when toggling OEM Unlocking.
Is it possible to confirm the unlock by getting the bootloader vars using fastboot however?
Alternately, what's the easiest way to confirm the bootloader is unlocked?
killerzac said:
yes, that is not working ( bootloader mode - doesn't let you choose ). Fastboot doesn't work with samsung, they deliberately change their code, try it yourself.
Click to expand...
Click to collapse
According to this post, you should have your bootloader unlocked now. Could you try following the instructions listed and report back?
Could you also explain in more detail how you can get the OEM unlocking option to appear?
I seem to be having no luck. You do own a US model, correct?
roirraW edor ehT said:
These are the necessary steps on this tablet to unlock the bootloader - it doesn't involve Fastboot from the Platform Tools. I am aware that on standard Android/AOSP that it does involve Fastboot since for my phones I choose Google Pixel devices.
Click to expand...
Click to collapse
GlitterFartzz said:
Ah I wasn't aware that some devices do not require fastboot to finalize unlock and instead immediately unlock when toggling OEM Unlocking.
Is it possible to confirm the unlock by getting the bootloader vars using fastboot however?
Alternately, what's the easiest way to confirm the bootloader is unlocked?
Click to expand...
Click to collapse
Actually, although the instructions don't make it clear without the context of seeing what's on the screen, steps 5 through 7 are what unlock the bootloader. OEM Unlocking still only (normally) enables unlocking the bootloader:
5. While holding volume up and volume down, plug the tablet into your PC via USB
Let go of volume keys as soon as the blue-green screen shows up
6. Press and hold volume up for 5 seconds, the screen will change to a confirmation prompt
7. Press volume up again to confirm, the tablet will reboot
Click to expand...
Click to collapse
Also, just as on the Google Pixel and many or all other devices, the easiest way to see that your bootloader is unlocked is the (IMHO) big honking stupid advertisement when you reboot or turn on your device that the bootloader is unlocked and the (paraphrasing) "hey thieves, if you just stole this device, you're in luck because you can hack into someone's account easier since this device's bootloader is unlocked" that stays on the screen seemingly forever.
I know that if they're actually technically savvy they'd be able to find that out anyway, but all this forced pre-boot screen does is punish those who unlock their bootloader. End Rant.
Ah I see what you mean, so It's been stated that US devices either resist BL unlocks e entirely or require alternative solutions.
That being said, has there been reports of UI bugs causing the option to appear on USA models under certain circumstances?
roirraW edor ehT said:
Actually, although the instructions don't make it clear without the context of seeing what's on the screen, steps 5 through 7 are what unlock the bootloader. OEM Unlocking still only (normally) enables unlocking the bootloader:
Also, just as on the Google Pixel and many or all other devices, the easiest way to see that your bootloader is unlocked is the (IMHO) big honking stupid advertisement when you reboot or turn on your device that the bootloader is unlocked and the (paraphrasing) "hey thieves, if you just stole this device, you're in luck because you can hack into someone's account easier since this device's bootloader is unlocked" that stays on the screen seemingly forever.
I know that if they're actually technically savvy they'd be able to find that out anyway, but all this forced pre-boot screen does is punish those who unlock their bootloader. End Rant.
Click to expand...
Click to collapse
GlitterFartzz said:
That being said, has there been reports of UI bugs causing the option to appear on USA models under certain circumstances?
Click to expand...
Click to collapse
No. I've read every post in this section starting from when I pre-ordered mine (February?), and the only post I've seen about being able to enable OEM Unlocking was from @killerzac.
Too bad that doesn't easily lead to actually being able to unlock, even if the OEM Unlocking aspect was widely reproducible.
killerzac said:
yes, that is not working ( bootloader mode - doesn't let you choose ). Fastboot doesn't work with samsung, they deliberately change their code, try it yourself.
Click to expand...
Click to collapse
Have you found a solution?
I'm in such a weird place. I'm in the UK my first Tab S8 Ultra unlocked originally but after relocking the bootloader I can't get the OEM Unlock to reappear. I needed an unlocked tablet so I bought another one and this one has never had the OEM Unlock option. Waited many sets of 7 days trying different Samsung accounts and Google accounts. I do notice like you that if you get to dev options quickly after boot OEM Unlock is there but it definitely hasn't loaded properly at this point and changing it does nothing. Tablet never gives the bootloader unlock option when you go through the process.
The only thing ive noticed is on both devices the KG Status is Active (Viewed in Download Mode). My S22 which has the OEM Unlock option shows it as inactive. Samsung have told me that I can send the tablet to them and they will look at it but I can't be without it at the moment. Don't know if both my tablets are wrongly reporting that they are in finance and MDM is locking it potentially following my Samsung account to the new tablet I bought.
Really annoyed with Samsung now spent hours on web chats with them where they keep making you reset the tablet and won't escalte it.
Even more annoying they won't look at my first tablet because it did unlock initially so the warrenty is void now that it won't unlock they have said they will replace the mainboard for £800.
@Jono0907 That really sucks! I'm sorry to hear about all the trouble. I "swear" - customer service these days. Someday, companies will just stop even having the (mostly) nearly useless customer service that they do now, and they just won't have any at all.
Jono0907 said:
Have you found a solution?
I'm in such a weird place. I'm in the UK my first Tab S8 Ultra unlocked originally but after relocking the bootloader I can't get the OEM Unlock to reappear. I needed an unlocked tablet so I bought another one and this one has never had the OEM Unlock option. Waited many sets of 7 days trying different Samsung accounts and Google accounts. I do notice like you that if you get to dev options quickly after boot OEM Unlock is there but it definitely hasn't loaded properly at this point and changing it does nothing. Tablet never gives the bootloader unlock option when you go through the process.
The only thing ive noticed is on both devices the KG Status is Active (Viewed in Download Mode). My S22 which has the OEM Unlock option shows it as inactive. Samsung have told me that I can send the tablet to them and they will look at it but I can't be without it at the moment. Don't know if both my tablets are wrongly reporting that they are in finance and MDM is locking it potentially following my Samsung account to the new tablet I bought.
Really annoyed with Samsung now spent hours on web chats with them where they keep making you reset the tablet and won't escalte it.
Even more annoying they won't look at my first tablet because it did unlock initially so the warrenty is void now that it won't unlock they have said they will replace the mainboard for £800.
Click to expand...
Click to collapse
Hi Jono,
I haven't look at it since and I'm pretty sure your finding is very much same as mine, Quote "Table never gives the bootloader unlock option". I gave my s8+ to my 5 years old son as his toy now. Piece of garbage without ROOTing for me. I'm reverting back to using my tabS6. You might hapend to see me on the northen line with my TabS6, very rare scene.

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