SMG955N asks for unlock code after flashing a rom - Samsung Galaxy S8+ Questions & Answers

I bought my Korean s8 plus new and everything worked great at first.
I rooted it, installed twrp and flashed renovate 3.0 on it. This week I decided to update to renovate 5 but after doing a full wipe to get everything working I ran into the issue of my phone asking for a sim unlock code.
I can restore my backup to renovate 3 and all is fine but if I wipe the phone or restore with Odin I get prompted for the unlock code. I'm using the phone on t mobile.
Any ideas on this?
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Sent from my SM-G955N using Tapatalk

deh2002 said:
I bought my Korean s8 plus new and everything worked great at first.
I rooted it, installed twrp and flashed renovate 3.0 on it. This week I decided to update to renovate 5 but after doing a full wipe to get everything working I ran into the issue of my phone asking for a sim unlock code.
I can restore my backup to renovate 3 and all is fine but if I wipe the phone or restore with Odin I get prompted for the unlock code. I'm using the phone on t mobile.
Any ideas on this?
Sent from my SM-G955N using Tapatalk
Click to expand...
Click to collapse
That screen appears when your phone isnt unlocked for use in any other career, that's when you have to enter the unlock code for IMEI, but when shows PUK network lock code is when you entered a wrong imei unlock code many times... First... Put 12345678 or 11111111 to unlock the sim network PUK and it will ask again for the imei unlock code , if you don't have it.. You'll have to pay for it.
When a phone is attached to one specific career, if you put another sim that isn't from the native career.. It won't show anything.. That's when you have to change Rom in order to show that screen asking for the code.. That's how you unlock it.

Paxin said:
That screen appears when your phone isnt unlocked for use in any other career, that's when you have to enter the unlock code for IMEI, but when shows PUK network lock code is when you entered a wrong imei unlock code many times... First... Put 12345678 or 11111111 to unlock the sim network PUK and it will ask again for the imei unlock code , if you don't have it.. You'll have to pay for it.
When a phone is attached to one specific career, if you put another sim that isn't from the native career.. It won't show anything.. That's when you have to change Rom in order to show that screen asking for the code.. That's how you unlock it.
Click to expand...
Click to collapse
The Korean smg955n is supposed to be unlocked.
It worked fine at first then all of a sudden started asking for unlock codes as well as the puk code which I got from t mobile.
For a sim unlocked and bootloader unlocked phone this thing is a pain in the butt to flash roms on...lol
Sent from my SM-G955N using Tapatalk

I have a similar problem with Korean S8+ that was given to me by my nephews friend who was in OZ studying. There are no issues with sim lock or network lock or anything like that, but I think the reoccurring password request has to be somehow linked to a Korean carrier or previous owner or even possibly the IMEI? I have loaded combo software on it successfully but have tried every trick to get OEM unlock to show up and can’t, therefor I cannot root. I’ve even installed different firmware versions and still the same persistent password request in Korean is the first thing you see when the phone has loaded the new software??
Can anyone please tell me if they have encountered this type of thing before and if there is a way around it. All checks on blacklisting both internationally and local here in Australia comes up clean.
Look forward to some advice.... cheers

Related

Failed to unlock bootloader-moto G

Hi,
Failed to unlock my bootloader, Motorola says my bootloader can't be unlock.
Need help
3A55000455558775#54413933333039
59434700585431303333000000#1B1A
8A04466076206BE14E1BFD915289B6D
8BDA6#6212B6030F000000000000000
0000000
My phone IMEI-
355004055557857
355004055562857
Can anyoen help me to unlock my bootloader.
Thank you.
Make sure when you paste it in that dialog box on the Motorola Site there is no space in between. When you paste it the space appears so just go manually backspacing all the space boxess. Even I had the same problem last night. So don't panic
If you're on 4.4.4 kitkat and you are sure that you typed the code correctly it's not your fault. The exact same thing happened to me. You just have to flash a temporary bootloader, unlock it, and then reflash original bootloader. I would have given the link (its on the motorola forums) but I cannot as XDA won't allow me to (I have less than 10 posts on the site).
Had this problem before. The thread about this issue is in here:
http://forum.xda-developers.com/moto-g/help/failed-unlocking-bootloader-t2815481
@riteshgpt60 please remove the unlock data and IMEI numbers. These are very sensitive information. Do not make them public in future.
i_rnb said:
@riteshgpt60 please remove the unlock data and IMEI numbers. These are very sensitive information. Do not make them public in future.
Click to expand...
Click to collapse
I always see phrases like this with no explanation about what exactly damage could it make to the owner. Who can explain it to me?
There are a lot of services through the web which can give you some information about your phone based on its imei number. So, according to your words this procedure might be dangerous. And I really hardly believe in it.
And what about unlock data. What could fraud do wih it?
P.s.
Ok, I've made some researches and found out that phone could be wired based on imei.
@ all
Hi, I just wanted to upgrade my moto G to lollipop , so i flashed the brasil fw, after flashing the firmware , my phone can't boot , it stuck on fastboot mode with a warning showing " version downgrade for boot, failed to validate boot image"
I read somewhere that it can be solve by unlocking the bootloader and flash.
I paste the unlock code correctly but it can't unlock my bootloader.
Need help!
@[email protected]$h98 ,
Thank you for helping me, after unlocking BL , the update and flashing process goes fine.
Here's the prove, My moto G running 5.0
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[email protected]$h98 said:
If you're on 4.4.4 kitkat and you are sure that you typed the code correctly it's not your fault. The exact same thing happened to me. You just have to flash a temporary bootloader, unlock it, and then reflash original bootloader. I would have given the link (its on the motorola forums) but I cannot as XDA won't allow me to (I have less than 10 posts on the site).
Click to expand...
Click to collapse
Please tell me the steps....
prajwaldr9 said:
Please tell me the steps....
Click to expand...
Click to collapse
Check my post on this thread:
http://forum.xda-developers.com/mot...bootloader-t2815481/post58031385#post58031385
The steps are listed in the READMEFIRST file.

XT1225_QUARK_RETEU_6.0.1_MPGS24.107-70.2_cid7_subsidy-DEFAULT_CFC Rom needed!

Guys please help! If anyone can get XT1225_QUARK_RETEU_6.0.1_MPGS24.107-70.2_cid7_subsidy-DEFAULT_CFC.xml stock rom please send the link... my moto turbo is soft bricked but no rom is flashing and recovery shows this "motorola/quark_reteu/quark_umts6.0.1/MGPS24.107-70.2-7/7"
bootloader locked and cant boot to enable unlock
Several Indians (including me) are facing the same issue as the desired version of stock rom is not available in the internet. Visit moto service center and ask them to flash the updated stock one
Is there any other way to get? The service centre is very very far away..
I believe no other way till now.
Sanjith2908 said:
Guys please help! If anyone can get XT1225_QUARK_RETEU_6.0.1_MPGS24.107-70.2_cid7_subsidy-DEFAULT_CFC.xml stock rom please send the link... my moto turbo is soft bricked but no rom is flashing and recovery shows this "motorola/quark_reteu/quark_umts6.0.1/MGPS24.107-70.2-7/7"
bootloader locked and cant boot to enable unlock
Click to expand...
Click to collapse
sourav92 said:
Several Indians (including me) are facing the same issue as the desired version of stock rom is not available in the internet. Visit moto service center and ask them to flash the updated stock one
Click to expand...
Click to collapse
The problem is Motorola apparently never publicly released the India (RETEU) "GS" region full image version of this firmware. They only released the partial image OTA.
XT1225_QUARK_RETEU_6.0.1_MPGS24.107-70.2_cid7_subsidy-DEFAULT_CFC.xml
The "GS" denotes a newer version than just the "G". Once you update to the newer version via OTA -- or try to -- you will be installing a newer version of the bootloader, which can NOT be rolled back.
If your bootloader was UNlocked, you can flash ANY region firmware or any previous India firmware to recover -- previous version of Marshmallow, Lollipop, even Kitkat for the XT1225. Region wouldn't matter, with an unlocked bootloader. (Just be sure to NOT flash gpt.bin!)
If you had an unlocked bootloader, you could flash any one of the BLUE 6.0.1_MPGS24.107-70.2_cid7 images in the screenshot below. (RETLA and RETBR would be the best choices as they are the Mexico and Brazil XT1225 carrier unlocked firmware. India XT1225 would still work just fine on those.) But, as you see the most recent publicly released India (RETEU) image (in red) does not have the "GS". With an unlocked bootloader you could even flash that -- as long as you leave off gpt.bin from the flash commands.
With a locked bootloader and no public release of the full image firmware you need, I'm sorry but you have to go to a Motorola service center. This is one reason you should always unlock your bootloader... It gives you more choices for recovery.
http://www.filefactory.com/folder/f9d1880e6c5b4800/?sort=created&order=DESC&show=50
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Yes @ChazzMatt, there is no other way if the bootloader is locked. I am the person who noticed that "GS" thing first, and we already had a discussion on that in other thread. That's why I gave him the only solution to visit Motorola Service center.
sourav92 said:
Yes @ChazzMatt, there is no other way if the bootloader is locked. I am the person who noticed that "GS" thing first, and we already had a discussion on that in other thread. That's why I gave him the only solution to visit Motorola Service center.
Click to expand...
Click to collapse
iv gone to the service center and gotten the latest update installed but it is kindoff bugged and freezes a lot when I launch some apps
also i enabled the oem unlocking and am trying to unlock the bootloader but it says failed to get unlock data when i do fastboot get unlock data
Sanjith2908 said:
iv gone to the service center and gotten the latest update installed but it is kindoff bugged and freezes a lot when I launch some apps
also i enabled the oem unlocking and am trying to unlock the bootloader but it says failed to get unlock data when i do fastboot get unlock data
Click to expand...
Click to collapse
Read my bootloader unlock guide. OEM bootloader unlock in Settings by itself does nothing, unless the OEM wants it to do something. This has always been true. In this case, Motorola is one of the OEMS who make you get a bootloader unlock code to actually unlock your bootloader; LG is another one that requires this. You request a bootloader unlock code and follow the steps in my guide.
[UPDATED GUIDE] How to unlock your MOTO MAXX/MOTO TURBO bootloader, install TWRP and gain root access

No Oem unlock after 220h

Hi. Why dont appear oem unlock, after 220h?
Galaxy a8 2018 Firmware (ITV):
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Change our metod dont work.
You have reflash what you had on your phone originally then do a hard reset boot up wait 168 hours with out a reboot or turn off and on
Again 168h? ç_ç ok
mchlbenner said:
You have reflash what you had on your phone originally then do a hard reset boot up wait 168 hours with out a reboot or turn off and on
Click to expand...
Click to collapse
I got an a8 from amazon from a country outside of spain. I live in spain and my simcard is spanish. Does this mean that i can unlock my phone? Or running my spanish simcard on a spanish network work on a foreign phone model in order to unlock the bootloader?
mchlbenner said:
You have reflash what you had on your phone originally then do a hard reset boot up wait 168 hours with out a reboot or turn off and on
Click to expand...
Click to collapse
i hate that this is the requirement for this phone. i understand why its in place, its just irritating that we have to jump thru such ridiculous hoops
xabierd said:
I got an a8 from amazon from a country outside of spain. I live in spain and my simcard is spanish. Does this mean that i can unlock my phone? Or running my spanish simcard on a spanish network work on a foreign phone model in order to unlock the bootloader?
Click to expand...
Click to collapse
It works if you didn't messed with CSC yourself, so by editing /efs partition manually.
Again. After 168h no oem unlock. Wtf
Nozomi9090 said:
Again. After 168h no oem unlock. Wtf
Click to expand...
Click to collapse
This is not good my friend, and it must be annoying to wait like endless for oem unlock to show up.
I have experienced the same problem once, the vanishing oem unlock on Oreo binary 3.
But after 7 days it showed up right away, I even didn't had to restart my device.
If you live in Spain and have a spanish simcard you should flash an official filmware of your country but with the same provider of your simcard, like, (example) Spain T-Mobile.
Also log in with your google and Samsung account for the servers to update after the 7 days, then you should get rid of prenormal state and get oem unlock back.
Make sure the simcard network is active, and do not restart your Phone during the 7 days.
k so do you need to have frp lock off in order to start the 7 day timer? i'm locked out of 2 of my a8's that i flashed at the same time. one on binary 2 and the other on 3.. both have no oem unlock. How do i know what firmware my phones originally came with? and when i do that... where do i let them idle for 7 days waiting if i can't get past the google...
Hello
use tutorial that works to perfection with the latest update brk3 (walk with other update too). do not forget to remove the sim card before starting the flash
be/g8801Mssm5c
anyone?
vibespredah said:
anyone?
Click to expand...
Click to collapse
Flash stock with Odin then reboot to your recovery and do factory reset.
Reboot system and wait 168 hour you may not do any reboots during this time or you have to start over.
Check see if your oem is visible and follow rooting directions.
mchlbenner said:
Flash stock with Odin then reboot to your recovery and do factory reset.
Reboot system and wait 168 hour you may not do any reboots during this time or you have to start over.
Check see if your oem is visible and follow rooting directions.
Click to expand...
Click to collapse
ok so here's what i picture this looks like... flash stock... reboot to recovery and factory reset... reboot to setup screen where it says "Start" and it just sits there? then after the 168 hours i turn it off and flash combination to see if oem unlock is there? or just restart to download mode and see if it's gone?
Try removing sim card .
When I got this phone I did all of the hacking first then when I was done I put sim card in phone.

Question Have you unlocked it yet?

Have you unlocked it yet?
Can you help me unlock it!
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Apply for unlocking Mi devices
en.miui.com
Just follow the instructions and wait for one week before permission granted (if you are lucky).
inyellow said:
Apply for unlocking Mi devices
en.miui.com
Just follow the instructions and wait for one week before permission granted (if you are lucky).
Click to expand...
Click to collapse
Yes! i did it! Thank you supported!
I will wait for one weed.
I'm also wait for one week to unlock.
Hope we have many custom roms later.
ycq19zsc said:
I'm also wait for one week to unlock.
Hope we have many custom roms later.View attachment 5516997
Click to expand...
Click to collapse
I think there won't be a new rom within a month
Pimaxxx98 said:
I think there won't be a new rom within a month
Click to expand...
Click to collapse
I think so too... it's not that easy for developers to buy before global release.
Hi I'm trying to unlock the bootloader, but when I log in to the Xiaomi Unlock Tool, I never received the verfication code that's supposed to be sent via a text messages to my linked US phone number. Other text messages went through fine so either XIaomi didn't send the code or my carrier (AT&T) blocked it. I tried a few other numbers and none worked. Did you guys need to receive the text message to verify your account when using the Unlock Tool? If yes, did you use a Chinese phone number or something else? A tried 4 different US numbers and none of them could receive Xiaomi sms. Thanks for your help!
wincnd said:
Hi I'm trying to unlock the bootloader, but when I log in to the Xiaomi Unlock Tool, I never received the verfication code that's supposed to be sent via a text messages to my linked US phone number. Other text messages went through fine so either XIaomi didn't send the code or my carrier (AT&T) blocked it. I tried a few other numbers and none worked. Did you guys need to receive the text message to verify your account when using the Unlock Tool? If yes, did you use a Chinese phone number or something else? A tried 4 different US numbers and none of them could receive Xiaomi sms. Thanks for your help!
Click to expand...
Click to collapse
Tried another day and it worked
inyellow said:
Apply for unlocking Mi devices
en.miui.com
Just follow the instructions and wait for one week before permission granted (if you are lucky).
Click to expand...
Click to collapse
Hi! How do I know when it's passed time enough to unlock it? Do I have to verify from time to time on the tool?
Sorry but I must be doing something wrong and different from the way I always did unlock bootloader. In Android 12, With Vol down + power the cell phone enters a different screen "Bootloader" that always allowed unlocking.
mi unlock software does not allow clicking the unlock button, fastboot devices and adb devices commands do not work in this mode.... How to unlock with these changes?
molochgrifone said:
Hi! How do I know when it's passed time enough to unlock it? Do I have to verify from time to time on the tool?
Click to expand...
Click to collapse
Run the unlock tool again, it will tell you how many hours left. Normally it tells you that 168 hours left at the first successful attempt, it also tells you do not logout miui account or try to login another account on your phone. Just be patient.
inyellow said:
Run the unlock tool again, it will tell you how many hours left. Normally it tells you that 168 hours left at the first successful attempt, it also tells you do not logout miui account or try to login another account on your phone. Just be patient.
Click to expand...
Click to collapse
I checked, it ask me again to log in and now it ask if I want to unlock my phone like the first time, there is no timer
molochgrifone said:
I checked, it ask me again to log in and now it ask if I want to unlock my phone like the first time, there is no timer
Click to expand...
Click to collapse
Maybe your waiting period is over, follow the instructions on official FAQ page exactly.
https://c.mi.com/thread-2262302-1-0.html
.
jurarj said:
Sorry but I must be doing something wrong and different from the way I always did unlock bootloader. In Android 12, With Vol down + power the cell phone enters a different screen "Bootloader" that always allowed unlocking.
mi unlock software does not allow clicking the unlock button, fastboot devices and adb devices commands do not work in this mode.... How to unlock with these changes?
Click to expand...
Click to collapse
I have the same problem you solve it bro?
luiscedillo80 said:
I have the same problem you solve it bro?
Click to expand...
Click to collapse
you can open fastboot by power + (-)
then connect cap type C in to PC
Download anh intaller ADB driver xiaomi
You will show connection on screen PC
for anyone having issues to sign in to mi unlock tool and verification code doesnt arrive: go to your phone and your Mi account, Tap QR code and scan QR after clicking top right corner in sign in page of mi unblock tool. Worked for me.

OnePlus 8 (IN2017) T-Mobile Instant Bootloader Unlock and Convert to Global

Expert needed in this Phone Unlocking.
I Need some help.
I will share all files that require to unlock this model.
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rfeeykhan said:
Expert needed in this Phone Unlocking.
I Need some help.
I will share all files that require to unlock this model.View attachment 5787835
Click to expand...
Click to collapse
how to instant unlock bootloader?
zishhaider said:
how to instant unlock bootloader?
Click to expand...
Click to collapse
Brother you need to get unlock token from : oneplus.com/us/unlock_token
Fill up your info and you will get your unlock token within 1 week. With that token you are able to unlock bootloader.
Reminder!! If you don'y have enough knowledge about this, so I will not recommend you to do this. You may lost your device as I lost.
Khateeb2110 said:
Brother you need to get unlock token from : oneplus.com/us/unlock_token
Fill up your info and you will get your unlock token within 1 week. With that token you are able to unlock bootloader.
Reminder!! If you don'y have enough knowledge about this, so I will not recommend you to do this. You may lost your device as I lost.
Click to expand...
Click to collapse
I got it second hand from olx. Some one has played with imei. Now i don't hv orignal one and since I can't follow official way to unlock bootloader. And i hv some technical knowledge to deal with it but I am still banging here and there to get bl unlock un officially and it seems door has been closed by oneplus.
zishhaider said:
I got it second hand from olx. Some one has played with imei. Now i don't hv orignal one and since I can't follow official way to unlock bootloader. And i hv some technical knowledge to deal with it but I am still banging here and there to get bl unlock un officially and it seems door has been closed by oneplus.
Click to expand...
Click to collapse
I also have T mobile version whose imei is changed. But you can try by putting the original IMEI on OnePlus website at unlock token request, they will process your request. Original IMEI is written at the back of your phone glass if you are using T mobile version. If it's not the T mobile then you don't need that token to unlock bootloader.
Khateeb2110 said:
I also have T mobile version whose imei is changed. But you can try by putting the original IMEI on OnePlus website at unlock token request, they will process your request. Original IMEI is written at the back of your phone glass if you are using T mobile version. If it's not the T mobile then you don't need that token to unlock bootloader.
Click to expand...
Click to collapse
Now I converted my T mobile OnePlus 8 to Global version. And I used the imei that is written at the back of my phone and OnePlus accepted my request and I got the unlock token.
Khateeb2110 said:
This is my unlock token with same device. I'm not sure if it gonna work or not but you can try this one if you don't have your token.
Click to expand...
Click to collapse
Comparing the unlock_code.bin that I have, and yours, they're both different.
You have 2 choices to unlock OP8 TMO variant. Official way ofc is to apply for unlock_code.bin
But also there's a walkaround method which u will have to use MSM Tool to EDL Flash EU fw in your TMO Instantnoodle, and since EU variant is Global, u can easily unlock the bootloader ( but be aware, this method is not going to unlock Network for u if u r still Network locked with TMO )
LinhBT said:
You have 2 choices to unlock OP8 TMO variant. Official way ofc is to apply for unlock_code.bin
But also there's a walkaround method which u will have to use MSM Tool to EDL Flash EU fw in your TMO Instantnoodle, and since EU variant is Global, u can easily unlock the bootloader ( but be aware, this method is not going to unlock Network for u if u r still Network locked with TMO )
Click to expand...
Click to collapse
I tried this once but It said:"Device not matched.."
Khateeb2110 said:
I tried this once but It said:"Device not matched.."
Click to expand...
Click to collapse
U have to find correct MSM Tool.
Khateeb2110 said:
I tried this once but It said:"Device not matched.."
Click to expand...
Click to collapse
You can always use the EDL Tool, though I discourage it. I didn't know what I was doing and permanently destroyed my persist.img, though I think everything went wrong before that, and now I'm unable to use my Fingerprint Sensor with no solution (besides possible recalibration) in view.

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