Samsung S20 Plus - SM-G985F CSC- INU No OEM unlock option in developer settings

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jumbobombo

Senior Member
Jan 2, 2012
1,026
157
Hey guys,

So I got Samsung Galaxy S20 Plus but there is no OEM unlock option in my developer option settings.

I want to root and upgrade the phone and flash custom firmware. I can't do it until bootloader is unlocked.

I am currently on official latest Samsung firmware Android 11

Model - SM-G985F
CSC- OXM_INU

Any help will be greatly appreciated.
 

jumbobombo

Senior Member
Jan 2, 2012
1,026
157

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jumbobombo

Senior Member
Jan 2, 2012
1,026
157
According to your device it shows oem unlock l. Which means locked. This device looks to have Knox guard mdm service. Looks to be leased. It is permanently locked until removed from Knox mdm server.

Ohh. Is there any way to solve this?

Will installing official firmwares in Sammobile through Odin help?
 

dusanl

Senior Member
Oct 24, 2015
89
12
38
Hi, maybe this will help you:


This dude also don't have OEM unlock option (he have s20 ultra G988B) but after change date time its show up. Try it.
 
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TheMadScientist

Recognized Contributor
Mar 5, 2014
8,237
4,055
VT
Hi, maybe this will help you:


This dude also don't have OEM unlock option (he have s20 ultra G988B) but after change date time its show up. Try it.
His isn't that issue. Look at his download mode info. Bootloader l. Which means locked. Any that can be unlocked display a u I believe. I had this issue on another device. It's all caused by Knox guard and buying subsidized device
 

juda iskariotsky

Senior Member
Dec 1, 2013
100
19
Bratislava
Hey guys,

So I got Samsung Galaxy S20 Plus but there is no OEM unlock option in my developer option settings.

I want to root and upgrade the phone and flash custom firmware. I can't do it until bootloader is unlocked.

I am currently on official latest Samsung firmware Android 11

Model - SM-G985F
CSC- OXM_INU

Any help will be greatly appreciated.
Hey, did you solved it? bought SM-G986B with same problem - OEM on (L)
 

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  • 1
    Hi,

    Thanks for your reply.

    Please see download mode image attached.
    According to your device it shows oem unlock l. Which means locked. This device looks to have Knox guard mdm service. Looks to be leased. It is permanently locked until removed from Knox mdm server.
    1
    Hi, maybe this will help you:


    This dude also don't have OEM unlock option (he have s20 ultra G988B) but after change date time its show up. Try it.
    1
    Ohh. Is there any way to solve this?

    Will installing official firmwares in Sammobile through Odin help?
    No it needs to be paid off and removed from mdm Knox server by the leases company
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