[Android][UNSAMLOCK] Bootloader Unlock for Samsung US/Canada Devices

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thefish123

Senior Member
- Updating to 2021 march security update will bypass the unlock on most devices, don't update to higher bootloader version.​
I am considering buying an S20 Ultra (SM-G988W) that is for sale here in Canada. But I want to make sure that it could be unlocked. Is there anything you need to get from the phone to confirm? How can I confirm that it does not have the new March 2021 bootloader? If it does, does that mean it can no longer be unlocked?

Sorry if these questions have been asked/answered elsewhere. I didn't see them.

Thanks,
The Fish
 

afaneh92

Senior Member
Jul 31, 2012
3,769
5,151
I am considering buying an S20 Ultra (SM-G988W) that is for sale here in Canada. But I want to make sure that it could be unlocked. Is there anything you need to get from the phone to confirm? How can I confirm that it does not have the new March 2021 bootloader? If it does, does that mean it can no longer be unlocked?

Sorry if these questions have been asked/answered elsewhere. I didn't see them.

Thanks,
The Fish
5th from the right on build number, or modem version.
G988WVLU3HWB6 here its v3 bootloader and not unlockable, must be v1
 
5th from the right on build number, or modem version.
G988WVLU3HWB6 here its v3 bootloader and not unlockable, must be v1
I am in a similar situation, I bought a s20 plus and my build number is G986U1UES3HWB5. I am familiar with Odin and know how to flash firmwares.
My question is pertaining to my model, is it possible to downgrade all the way back to the required bootloader v1 via flashing previous android versions.
I was reading from some other forum that it is possible to downgrade, but I'm unsure how far you can go.
 

afaneh92

Senior Member
Jul 31, 2012
3,769
5,151
I am in a similar situation, I bought a s20 plus and my build number is G986U1UES3HWB5. I am familiar with Odin and know how to flash firmwares.
My question is pertaining to my model, is it possible to downgrade all the way back to the required bootloader v1 via flashing previous android versions.
I was reading from some other forum that it is possible to downgrade, but I'm unsure how far you can go.
You can't downgrade bootloader version.
 
Apr 9, 2018
13
2
San Franciscso
Hi, I think my S9+ is too updated (Build 9FVD1) but would like to check:
1680766822733.png

Can this be unlocked with your service?
 

Cobre69

New member
Apr 13, 2023
1
1
Hi I was wondering if u would be able to do my galaxy s10e (sm-g970u).. and is there a fee to do what u gotta do so I can unlock my bootloader. Cause I'm so been trying to get another rooted phone so I can continue my studys/learning of all there is to kali Linux offensive security and PC/web security or programming. Rooted phones peak my interest because there is so little u can't do with a rooted phone and this galaxy s10e sm-g970u with a locked bootloader is pretty much headed in the trash unless we can do something about it and unlock it...
What do u think can u help me please. I don't have much for money so I hope there is no fee. Please and thank you mister hacker man sir.
 
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afaneh92

Senior Member
Jul 31, 2012
3,769
5,151
Hi I was wondering if u would be able to do my galaxy s10e (sm-g970u).. and is there a fee to do what u gotta do so I can unlock my bootloader. Cause I'm so been trying to get another rooted phone so I can continue my studys/learning of all there is to kali Linux offensive security and PC/web security or programming. Rooted phones peak my interest because there is so little u can't do with a rooted phone and this galaxy s10e sm-g970u with a locked bootloader is pretty much headed in the trash unless we can do something about it and unlock it...
What do u think can u help me please. I don't have much for money so I hope there is no fee. Please and thank you mister hacker man sir.
Hi, post your software info
 

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