Database Users

Missing OEM Unlock Option.

Alright so im dead set on rooting my phone once i realised why the **** not. Im used to jailbreaking iphones and i used to do that alot. (man its so much more complicated on android).
and im god damn stuck on the first step already.
the freaking OEM unlock option is missing??? Im into the developer mode. its not there. Now i know you have to wait 7 Days, but ive had the phone for 2 months. Is it because Ive just updated it to oreo and it reset that timer so now i have to wait seven days... (im sadly a pretty impatient person, im trying to do this at 2am instead of sleeping)
I have an international version and i know its possible. Ive got the SM-G950F Model
Please help. theres so many different guides for so many separate things and old posts and different phones and models and situations.. :c

Same problem here. BUMP!!!

I have also the same problem. my model is G955f Exynos. after flashing official Oreo Rom, CRB7, then updating that to CRE3, I can flash nothing again, not TWRP, not Cf-root, not even nougat Rom. I have tried different versions of Odin, TWRP, and Cf-root but no result. And there is also no damn OEM unlock in Developers options. Does anyone have any solution?
someone has posted here a software named "Cygwin". Its Linux tool, so hard and complicated to use for me.
If anyone can find how to use "Cygwin" to erase Nand and flash again, please reply.
the post Address is this;
https://forum.xda-developers.com/chef-central/android/nand-write-start-fail-odin-soluction-t2851096

Go into the settings and turn off auto-detect time. And time to transfer a month ago. Next, the developer options disable auto-update. Then go into the firmware update to disable the automatic download and click on download updates. Reboot the device and it will appear. I always do that !!!

altai1963 said:
Go into the settings and turn off auto-detect time. And time to transfer a month ago. Next, the developer options disable auto-update. Then go into the firmware update to disable the automatic download and click on download updates. Reboot the device and it will appear. I always do that !!!
Click to expand...
Click to collapse
Of all the instructions i have read.
This one is the best and working answer.
Thank you so much for your idea
1. Disable auto date/time.
2. I set my date 1 or 2 previous months ago.
3. In developer options, I disabled auto system update.
4. In Software update menu, I disable auto download update.
5. Lastly, click the "manually download update" ,I received an error but that's okay.
6. Reboot.
Voila i got my OEM Unlock option without waiting for 7 days or so

batuzai04123 said:
Of all the instructions i have read.
This one is the best and working answer.
Thank you so much for your idea
1. Disable auto date/time.
2. I set my date 1 or 2 previous months ago.
3. In developer options, I disabled auto system update.
4. In Software update menu, I disable auto download update.
5. Lastly, click the "manually download update" ,I received an error but that's okay.
6. Reboot.
Voila i got my OEM Unlock option without waiting for 7 days or so
Click to expand...
Click to collapse
Do you know if this method works with Galaxy Note 8, too?

burduli said:
Do you know if this method works with Galaxy Note 8, too?
Click to expand...
Click to collapse
I don't have Note 8 so I can't be sure but there's no harm with the steps I mentioned.
I actually tried to re flash it clean again(for the 2nd time) with Odin, and @altai1963's trick work again.
Why need 7 or more days when you can do this?
Just try it and let others know if it works for Note 8
Goodluck!

batuzai04123 said:
I don't have Note 8 so I can't be sure but there's no harm with the steps I mentioned.
I actually tried to re flash it clean again(for the 2nd time) with Odin, and @altai1963's trick work again.
Why need 7 or more days when you can do this?
Just try it and let others know if it works for Note 8
Goodluck!
Click to expand...
Click to collapse
I don't own Note 8. I needed it for the article, it will be published on the XDA portal in a couple of minutes.

Does not work for me. Every time I reboot it shows todays date and no OEM unlock.
I go to "date and time" and set to 6 weeks ago, press done.
Disable auto update time.
Disable Auto update system
Disable download updates automatically
press download manually, get error "couldn`t download update"
reboot, and time goes back to today.
What am I doing wrong.

dogsfoot said:
Does not work for me. Every time I reboot it shows todays date and no OEM unlock.
I go to "date and time" and set to 6 weeks ago, press done.
Disable auto update time.
Disable Auto update system
Disable download updates automatically
press download manually, get error "couldn`t download update"
reboot, and time goes back to today.
What am I doing wrong.
Click to expand...
Click to collapse
You just need to make sure your date doesnt revert to current date time after you reboot.
Can you try turning off the sim slot? or airplane mode(then turn wifi on)so that wifi is the only wireless connection u have.
I believe mobile data/sim network auto. adjusts ur time. Let me know if this works

batuzai04123 said:
You just need to make sure your date doesnt revert to current date time after you reboot.
Can you try turning off the sim slot? or airplane mode(then turn wifi on)so that wifi is the only wireless connection u have.
I believe mobile data/sim network auto. adjusts ur time. Let me know if this works
Click to expand...
Click to collapse
Nope, same issue. Airplane mode, no sim,
could be that i have june update installed ???
I can set time forward and it stays set but going back always reverts to 26th june for some reason. not even todays date.
edit: ok, think i`ve solved it. I re-flashed stock firmware on Monday as I had "only official binaries" error, could that be why I cant go back further than a couple of days? It`s the only thing i can think of why I have this problem.

dogsfoot said:
Nope, same issue. Airplane mode, no sim,
could be that i have june update installed ???
I can set time forward and it stays set but going back always reverts to 26th june for some reason. not even todays date.
edit: ok, think i`ve solved it. I re-flashed stock firmware on Monday as I had "only official binaries" error, could that be why I cant go back further than a couple of days? It`s the only thing i can think of why I have this problem.
Click to expand...
Click to collapse
Same thing happenig to me...doesn't matter if i even turn the wifi off and take out the sim card, after reboot it shows the current date.

Any confirmation whatsoever on the Note 8? Have people seriously been so scared off by the OEM Unlock issue that no-one has bought a new one recently, lol???

dogsfoot said:
Does not work for me. Every time I reboot it shows todays date and no OEM unlock.
I go to "date and time" and set to 6 weeks ago, press done.
Disable auto update time.
Disable Auto update system
Disable download updates automatically
press download manually, get error "couldn`t download update"
reboot, and time goes back to today.
What am I doing wrong.
Click to expand...
Click to collapse
dogsfoot said:
Nope, same issue. Airplane mode, no sim,
could be that i have june update installed ???
I can set time forward and it stays set but going back always reverts to 26th june for some reason. not even todays date.
edit: ok, think i`ve solved it. I re-flashed stock firmware on Monday as I had "only official binaries" error, could that be why I cant go back further than a couple of days? It`s the only thing i can think of why I have this problem.
Click to expand...
Click to collapse
Sorry I cant help u with that where DATE & TIME is not sticking after reboot.
Im not sure whats the real cause but for me, the steps / bypass for OEM Unlock option is still working to me until now.
My device is SM-G950FD Dual XTC CRED build

sign into your google account (Must do)
and sign into your Samsung account
1)- change phone date manually back 10 days
2) go to settings - software update and check for update. You should receive errors messages sometime. Don't worry. Just ignore it.
3)- restart phone. After that go to settings -checking software update (when it says your phone is up to date) immediately go to Developer Options and you should see OEM Unlock appear back. You may need to try checking software update few times to get it work.
I tried that 2 days ago and it worked

So updated to latest CRG1 firmware hoping that would bring back OEM unlock function. Well it`s been over 3 weeks since update and still no OEM unlock option available.
Has this feature gone ???? It`s bootloader 3.

proven way 4 the oem unlock to reappear:
1. remove the sim card, factory reset
2. on setup screen, log in wifi, skip gmail, skip samsung account, skip the additional apps, set the time back 1 month (twice, because s8 will try to correct the time immediately)
3. untick automatically update, then check for update manually. then restart
4. sim card still out, phone self correct time, check for update manually again, then restart.
5. sim card still out, turn on developer mode, go on developer mode, wait 5 seconds n oem unlock is there.

immortel_la said:
proven way 4 the oem unlock to reappear:
1. remove the sim card, factory reset
2. on setup screen, log in wifi, skip gmail, skip samsung account, skip the additional apps, set the time back 1 month (twice, because s8 will try to correct the time immediately)
3. untick automatically update, then check for update manually. then restart
4. sim card still out, phone self correct time, check for update manually again, then restart.
5. sim card still out, turn on developer mode, go on developer mode, wait 5 seconds n oem unlock is there.
Click to expand...
Click to collapse
On CRG1, will try this out
Update: Nope, didnt work.

Soapy! said:
On CRG1, will try this out
Update: Nope, didnt work.
Click to expand...
Click to collapse
sometimes u need to repeat the whole process twice - 5 times T_T

immortel_la said:
sometimes u need to repeat the whole process twice - 5 times T_T
Click to expand...
Click to collapse
Same doesnt work for me without a sim in and on wifi
G950FXXU2CRED
Any luck?

No oem unlock in developer settings.

Hello guys! I updated my S8 to android 8.0 (CRED) and i can't find oem unlock in settings so I can't install TWRP, what I should to do? It's problem for me because I want install custom rom. Thanks for help.

U have to go to about phone,software info and click build date 5 times then go back and u will see dev options it's in there

ireaper4592 said:
U have to go to about phone,software info and click build date 5 times then go back and u will see dev options it's in there
Click to expand...
Click to collapse
I can't find this.... Do u want screen?

Shavier699 said:
I can't find this.... Do u want screen?
Click to expand...
Click to collapse
after clicking build date 5 times go and press back cutton twice to get to normall settings and dev options should be the bottom one:highfive:

If it's still not there you need to wait 7days for it to appear.

side_flip15 said:
If it's still not there you need to wait 7days for it to appear.
Click to expand...
Click to collapse
After 7 days since installation soft yeah?

Shavier699 said:
After 7 days since installation soft yeah?
Click to expand...
Click to collapse
Correct

Got it to show without waiting 7 days.
I'm on CRED firmware and OEM Unlock was not listed.
I read somewhere that invoking the Oreo Easter Egg might make OEM Unlock available again.
This is what I did:
* After flashing CRED via ODIN and gone through initial setup, OEM Unlock was unavailable
* I only have a gmail account setup on the phone, no SIM
* I followed the guide here for the Easter Egg in Oreo: https://www.pocket-lint.com/apps/news/google/138312-how-to-access-android-easter-egg
* Once the octopus showed on the screen I moved it around a little
* After 3 tries OEM Unlock option was still missing
* Rebooted the phone
* Waited a few minutes after the reboot
* OEM Unlock appeared!
I can't give exact steps but after playing with Easter Egg several times and a single reboot, option is available.
I got this phone yestreday.
Hope this helps someone.

shpitz461 said:
Got it to show without waiting 7 days.
I'm on CRED firmware and OEM Unlock was not listed.
I read somewhere that invoking the Oreo Easter Egg might make OEM Unlock available again.
This is what I did:
* After flashing CRED via ODIN and gone through initial setup, OEM Unlock was unavailable
* I only have a gmail account setup on the phone, no SIM
* I followed the guide here for the Easter Egg in Oreo: https://www.pocket-lint.com/apps/news/google/138312-how-to-access-android-easter-egg
* Once the octopus showed on the screen I moved it around a little
* After 3 tries OEM Unlock option was still missing
* Rebooted the phone
* Waited a few minutes after the reboot
* OEM Unlock appeared!
I can't give exact steps but after playing with Easter Egg several times and a single reboot, option is available.
I got this phone yestreday.
Hope this helps someone.
Click to expand...
Click to collapse
Dude, are you serious?

shpitz461 said:
Got it to show without waiting 7 days.
I'm on CRED firmware and OEM Unlock was not listed.
I read somewhere that invoking the Oreo Easter Egg might make OEM Unlock available again.
This is what I did:
* After flashing CRED via ODIN and gone through initial setup, OEM Unlock was unavailable
* I only have a gmail account setup on the phone, no SIM
* I followed the guide here for the Easter Egg in Oreo:
* Once the octopus showed on the screen I moved it around a little
* After 3 tries OEM Unlock option was still missing
* Rebooted the phone
* Waited a few minutes after the reboot
* OEM Unlock appeared!
I can't give exact steps but after playing with Easter Egg several times and a single reboot, option is available.
I got this phone yestreday.
Hope this helps someone.
Click to expand...
Click to collapse
I try it but not work.

Yeah, I tried it again after my phone got re-locked and I can't get it to show either. Like I said, I'm not sure what I did and what caused it to unlock. It did happen once but I can't go it again.
I'm waiting the 7 days since I'm already on U2 bootloader and can't go back to U1 bootloader.

This trick works for me:
1)- change phone date back 8 days
2) go to software update and check for update. You should receive errors info
3)- restart phone and go to Developer Options and you should see OEM Unlock appear back.
You may try checking software update few times to get it work.

So change date back 8 days, did you disable automatic network date/time setting?
All i get is errors when checking for updates, is that ok?
When you did it, did your update check ever succeeded or did it fail every time?

vichet007 said:
This trick works for me:
1)- change phone date back 8 days
2) go to software update and check for update. You should receive errors info
3)- restart phone and go to Developer Options and you should see OEM Unlock appear back.
You may try checking software update few times to get it work.
Click to expand...
Click to collapse
Bro, I guess you applied this truck to Oreo, right?
other thing, when I check the update manually, do I have to be connected to the internet? or with the data and wifi turned off?

Good question Aspiranteh, was this used with a U2 bootloader (CRED in my case) or a U1?

SUCCESS!, I don't know specifically how but I just reviewed "developer options" after several failed attempts and to my surprise now if "OEM unlock" appears. Thank you very much @vichet007 it's most likely thanks to your trick.

Which bootloader are you on? U2?
can you describe what you did in steps?

vichet007 said:
This trick works for me:
1)- change phone date back 8 days
2) go to software update and check for update. You should receive errors info
3)- restart phone and go to Developer Options and you should see OEM Unlock appear back.
You may try checking software update few times to get it work.
Click to expand...
Click to collapse
shpitz461 said:
Which bootloader are you on? U2?
can you describe what you did in steps?
Click to expand...
Click to collapse
*Excuse me, but how do I know if I'm U2 or U1?.
And as for the steps, I did exactly what vichet007 says.
On the date go ahead to 16/06 and test with "Automatic date and time" activated and also try it with that option disabled.
In the "Manual Download" test update with data and wifi enabled and also try with data and wifi disabled.
I tried it 10 times on the quiet and it didn't work out. But after a while. Check and this OEM unlock is activated.

Aspiranteh said:
*Excuse me, but how do I know if I'm U2 or U1?.
Click to expand...
Click to collapse
G950FXXU2CRED is bootloader U2 (level 2).
G950FXXU1CRB7 is bootloader U1 (level 1).
---------- Post added at 13:13 ---------- Previous post was at 13:07 ----------
Aspiranteh said:
And as for the steps, I did exactly what vichet007 says.
On the date go ahead to 16/06 and test with "Automatic date and time" activated and also try it with that option disabled.
In the "Manual Download" test update with data and wifi enabled and also try with data and wifi disabled.
I tried it 10 times on the quiet and it didn't work out. But after a while. Check and this OEM unlock is activated.
Click to expand...
Click to collapse
Did you start from a new setup? or did you already setup and use the phone for a while?

shpitz461 said:
G950FXXU2CRED is bootloader U2 (level 2).
G950FXXU1CRB7 is bootloader U1 (level 1).
Click to expand...
Click to collapse
Tengo G950FXXU1CRD7 is bootloader U1
shpitz461 said:
¿Empezaste desde una nueva configuración? o ya configuró y usó el teléfono por un tiempo?
Click to expand...
Click to collapse
New settings, although I had google account and Samsung account synchronized. Just that.

CRG1 OEM Unlock?

Hi all, I have a G955F and upgraded it to CRG1. The problem is that there is no OEM unlock toggle to be found in the Developer Options section. I've tried to bypass the 7 day wait by changing dates and that didn't work. Is there any other process I could try besides waiting 7 days? All help is appreciated, apologize if this has been posted before.

It should be there.... I say u should wait for 7 days.

khawarjaved said:
It should be there.... I say u should wait for 7 days.
Click to expand...
Click to collapse
I found a way to get it back. Thank you for replying, though.

Soapy! said:
I found a way to get it back. Thank you for replying, though.
Click to expand...
Click to collapse
how did you get it back? i have tried some methods and none work.. though i am s9.

Soapy! said:
I found a way to get it back. Thank you for replying, though.
Click to expand...
Click to collapse
So can you pls tell us what solution you found. I'm facing the same Problem

Soapy! said:
I found a way to get it back. Thank you for replying, though.
Click to expand...
Click to collapse
Mental fireballs in your direction.

Sorry guys, I didn't get a notification for your replies. All I did was reflash my phone's firmware and then performed the calendar date trick.

I didn't get the OEM unlock option even after the 7 days wait, I am on latest firmware CRGH, can anyone help me out here??

Hariiii said:
I didn't get the OEM unlock option even after the 7 days wait, I am on latest firmware CRGH, can anyone help me out here??
Click to expand...
Click to collapse
Reflash CRGH FW via Odin, keep Sim in, perform date trick. BTW skip all account setup prompts after reflashing FW

Soapy! said:
Reflash CRGH FW via Odin, keep Sim in, perform date trick. BTW skip all account setup prompts after reflashing FW
Click to expand...
Click to collapse
Should I flash HOME_CSC or CSC ??

Soapy! said:
Hi all, I have a G955F and upgraded it to CRG1. The problem is that there is no OEM unlock toggle to be found in the Developer Options section. I've tried to bypass the 7 day wait by changing dates and that didn't work. Is there any other process I could try besides waiting 7 days? All help is appreciated, apologize if this has been posted before.
Click to expand...
Click to collapse
Try
1.set day 10 ago (dis automatic)
2.dis download updates automatic
3.click download updates manually
4.reboot
5.set day 10 ago agin
6.check OEM

Soapy! said:
Reflash CRGH FW via Odin, keep Sim in, perform date trick. BTW skip all account setup prompts after reflashing FW
Click to expand...
Click to collapse
I tried flashing CRG1 and CRGB as well as CRGH, I am not able to get the oem unlock option after the date trick. Any help??
So I am thinking to stick to the old firmware with bootloader version 3, can you tell me which one is older CRG1 or CRGB??

New Update
I again refalshed CRG1 which is the older one with bootloader version 3, then I tried this date trick, first it actually did not work. So I tried and monitored my procedure every time. It worked finally. Here is the step by step guide,
1. Reflash the firmware and skip all account setups
2. Now change the date 20 days back
3. Now go and enable developer options
4. Check for OEM unlock(probably won't be there), now disable Auto update system
5. Software update option, disable automatic updates
6. Click on update manually(now you will see registering device toast message and a persistent device configuration notification), it will show you there is an update based on your region(I downloaded Poland region firmware). Most of the post about OEM unlock says you will get an error here due to date issue, but you won't get any errors.
7. Now do this step as fast as you can, again check for OEM option in developer settings((probably won't be there)), and reboot.
8. You should again see the persistent device configuration notification, Turn off wifi/data immediately. Now your date must have probably changed to current date even though you changed it earlier, change the date again, now when the notification goes off, go to software updates, turn the data/wifi on. check for software updates.
9. Now go to developer options you should see OEM unlock option.
If it doesn't work, shuffle up the step 8 instructions, like check for software updates first, then change the date and vice versa.
Samsung got a ****ty logic written under the code over there, but its messy. So I tried this multiple times just to make sure no one else end up with this issue. It worked for me probably it should work for others.
Better download the Poland firmware CRG1 and try it.
Thanks.
credits to @soapy

U dont need trial and error for this.
1. Enable developer options and check if OEM Unlock is already visible, if not proceed below.
2. Disable auto software update and mobile data to prevent auto date correction.(Leave wifi on)
3. Adjust your datetime to previous dates, let's say Month of May 15th, 2018.
4. Do Software Update manually, do multiple taps so that Software Update process will appear.
5. It should display an error in software update.(Let if fail)
6. Reboot
7. Once rebooted, change the datetime to older dates.(since date will revert back to present)
8. OEM Option should be in the developer options.
Im using the CRGH build, and it never fails me. never waited for 7+days idle phone,no trial and error, I just follow the simple steps above and OEM Unlock never disappears in my end , it was never "patched" as others have told.
Using XTC/SMA/GLB region firmware CRGH build, SM-G950FD..
Note:
I reverted back to stock due to NETFLIX and other related streaming premium apps not playing HD+ content. No workaround or permanent solution on this yet. I'm paying premium 4K hd content so it would be a waste of money playing netflix content on rooted device with just SD video.

galaxy s8 and absent UNLOCK OEM

good morning. i waited 8 days after flash stock rom G950FXXU3CRGH with 1 aug patch. yet isn't present the oem unlock button in developer options. i tried during week to do the trick of back date, with no success.... now this situation. what can i do for solve the problem? is perhaps for my rom impossible to unlock oem?
i restarted phone many times in last day....
the date of system is automatic today but i did the trick....
i hope a help
thanks

Same here

Same here with the S9 Plus SM-G965F.
I don't think I have it for a week since I booted and reseted the device but I'm afraid that the OEM unlock option (RMM prenormal) is not time dependent on the August patch - maybe Samsung blocked it completely and we actively need a workaround to get it back.
Definitely that manual time trick is not working anymore and it's waste of time to even trying it on the August patched devices.

hi there i had the same issue, so actualy this is the samsung security guard you have to wait like 7 days to get OEM Unlock button, i did the same but what i did is, changing the dates like for 20 days then i did the update manually few times then i reboot again and again like 10 times the same steps, but i did not get the oem unlock button, so i did wait like 2 days and i have it .

I have the August security patch and my oem unlock shows in the developer menu.

Updating Pie Stuck

I've rooted PIE I'm sure I've flashed rmm bypass (but it was v2 ) but now I restarted phone It says "Only official released binaries are allowed to be flashed " and "KG staterenormal " at DL mode I'm gonna Flash rom with Home_csc
THEN
Flashed with both CSC's It boots to a blue system update screen then at updating %32 it says erasing then boots to stucked boot.
EDIT: Maybe a solve: Did a wipe at native recovery now booted but I'm not sure about rebooting :/.
I'll wait 7 days before a reboot If this RMM (or KG with its new name) state turns off will I see OEM unlock option at Dev Settings or should I go to DL mode?
( Btw I hate Samsung WHY CANT I USE MY PHONE WITH ROOT )
1 more Edit : In dev settings I can see OEM lock its unlocked anyway I'll wait 7 days

To get past the 7day wait, turn off auto update system in developer options. Turn off auto date and time. Set date back 9days then go to software update and check for an update...after its done checking for update reboot. Go to software update check for update again it should say the date you set 9days ago. Go to developer options OEM unlock should be there and prenormal should be gone. I have done this numerous numerous tines and it works no 7day wait.
Sent from my SM-N935F Note FE

I Found that this does not work on Pie. I went back to Oreo and it works.
Sent from my SM-N935F Note FE

how to return pie to oreo
butchieboy said:
To get past the 7day wait, turn off auto update system in developer options. Turn off auto date and time. Set date back 9days then go to software update and check for an update...after its done checking for update reboot. Go to software update check for update again it should say the date you set 9days ago. Go to developer options OEM unlock should be there and prenormal should be gone. I have done this numerous numerous tines and it works no 7day wait.
Sent from my SM-N935F Note FE
Click to expand...
Click to collapse
how to return pie to oreo

You can use Samfirm tool or Sammobile to download latest Oreo then flash with Odin. I go back and forth all the time.
Sent from my Still Rooted NOTE 8

Went back to Oreo for the customization.View attachment 4736772
Sent from my SM-N935F Note FE

butchieboy said:
To get past the 7day wait, turn off auto update system in developer options. Turn off auto date and time. Set date back 9days then go to software update and check for an update...after its done checking for update reboot. Go to software update check for update again it should say the date you set 9days ago. Go to developer options OEM unlock should be there and prenormal should be gone. I have done this numerous numerous tines and it works no 7day wait.
Sent from my SM-N935F Note FE
Click to expand...
Click to collapse
Finally got to this and I was "prenormal" ... This trick is FANTASTIC!!! Thanks!

What I did was customized Oreo..did a backup moved backup to sd card then flashed the rom..that way I can bounce between 2 versions..makes FE wonderful to have.
Sent from my SM-N960U using Tapatalk