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Question S21Ultra (SM-G998B) Update brick

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megadu

Senior Member
Aug 16, 2010
63
4
Hi,

I softbricked my phone. Let me say what i do.

My phone is ZTO and he was in this version (with security patch Fev)

SM-G998B/ZTO
G998BXXU1AUB9/G998BOWO1AUB9/G998BXXU1AUB8


So, try to update with a Multi CSC
SM-G998B/DBT
G998BXXS2AUBB/G998BOXM2AUBB/G998BXXU2AUBB

With patch of march its work (some fails in Odin but works)

Now, i try to put the same DBT witch april patch, but do not work.... Just stay in screen show that my BL is diferente of VBMETA

VBMETA G998BXXS2AUBB (March)
BOOTLOADER G998BXXU2AUC8 (April)

I Try to do downgrade of BL, but show binary error.

Try to not check BL and update just AP, CP and CSC, but odin show error..

Some help?
 

SaschaNes

Senior Member
Dec 8, 2015
212
548
Ternitz
You need to flash all files.
BL, AP, CP, CSC (HOME_CSC will remain your userdata, if you flash CSC_OXM it will reset the device)
And all files have to be from the same version. Download Frija and download the firmware from there.
Unpack .zip and place all files in ODIN
 
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    You need to flash all files.
    BL, AP, CP, CSC (HOME_CSC will remain your userdata, if you flash CSC_OXM it will reset the device)
    And all files have to be from the same version. Download Frija and download the firmware from there.
    Unpack .zip and place all files in ODIN