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General Galaxy S21 Ultra 5G (SM-G9980) | TGY/BRI/CHC | Discussions, Firmware, Updates, etc.

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Has anyone tried to install this
I'm trying but I keep getting errors when I try to install the chinese stock rom (AUI6) it says FRP is enabled, not allowed to download non-FRP abi binary
Edit: I'm guessing this is related to OEM Unlocking and if I do that will I lose all Knox functions? like secure folder and such
Edit2: Managed to flash without OEM Unlock but now got
Reason avb_footer.c41: ERROR: Footer magic is incorrect
avb_vb_metaimage. c:59 ERROR: Magic is incorrect
avb_slot_verify.c:629 ERROR: prism: Error verifying vbmeta image: invalid vbmeta header
CUSTOM prism

and my phone doesn't boot beyond download mode
Edit3: Fixed those errors by flashing the non home version of csc file and formatting my phone and finally in beta works good but tons of bloatware and some bad translation here and there also google discover is missing but the software seems to work just fine
 
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mpore14

Senior Member
Jul 25, 2012
118
45
Samsung Galaxy S21 Ultra
I suppose this means that we have to wait for a TGY/BRI version of the beta. It has always been the case that the Chinese version is separated from the HK/Taiwan version because of the **** ton of bloatware in Chinese FW. If someone from those regions manage to get hold of beta, then would be great
 
how did you install the beta version ?
First you download AUI6 firmware with CHC region csc (I downloaded from SamMobile but anythings ok as long as the csc and the build numbers are the right ones) and flash it with odin and head to https://cherrydrive.cn/s/l4jiJ?&continueFlag=8996eae0c64321f7eee9c45aadff3f8c&path=/
password : beta
and download the beta and flash it using adb sideload
and also you can thank zjhao earlier in the thread for the uploads.
 

sashapetrik

Senior Member
Jul 15, 2010
112
15
Does anyone know if android auto works on beta? because the only problem for me on the Chinese firmware was not working android auto.
 

afro972

Senior Member
Jul 5, 2007
149
44
Paris
empiredubuzz.fr
First you download AUI6 firmware with CHC region csc (I downloaded from SamMobile but anythings ok as long as the csc and the build numbers are the right ones) and flash it with odin and head to https://cherrydrive.cn/s/l4jiJ?&continueFlag=8996eae0c64321f7eee9c45aadff3f8c&path=/
password : beta
and download the beta and flash it using adb sideload
and also you can thank zjhao earlier in the thread for the uploads.
thank you very i'll test it this week end
 
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nightoooo

Senior Member
Jun 17, 2016
122
67
Samsung Galaxy S21 Ultra
Hi

I need your advice, which version is better for international use (espacially in France) ? TGY/BRI/CHC

thanks in advance
TGY & BRI is working pretty fine for you in France. I have TGY (Hong Kong) and live in Sweden, have no problem but remember the 5G support will be limited because the bands used in HK are different that 5G bands in France. But 3G & 4G bands almost fully supported.
 
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Prodction

Member
Oct 15, 2021
32
18
The beta version on G9910 no problem. On Odin I flash as indicate the BL, AP, CSC, for the CP (Modem) I replace it with that of BRI (Taiwan) of the same security date.
Installation of the beta file with ADB without problems.
I deleted all unnecessary Chinese apps. I cannot say if 5g works because my plan does not include it but 4g no problem in France. I don't encounter any particular problem only a few system applications still in Chinese, like bixby.

Thanks to zjhao for sharing the beta links
 
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    6
    If I haven't received the ****ty update today, I'll flash the USA XAA snapdragon version even if my phone dead 😭.
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    6
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