S20 Ultra downgrade - Samsung Galaxy S20 / S20+ / S20 Ultra Questions &

What is the lowest version I can download to from G988BOXMDEVA9
sm-g988b

https://r2.community.samsung.com/t5/Tech-Talk/Guide-How-to-Read-Firmware-Information/td-p/3149384
You can go the same or higher than the boot loader value but not lower.

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Max 3 with 6/128 and Global rom?

Am I right in thinking that there isn’t an official global rom for the 6/128 version?
The only one I can find is from tradingshenzhen, who have it at $300, but as it says ‘Unlocked Bootloader’ AND global on the info I’m guessing that they’ve flashed the China model with the 4/64 global rom and I’m not sure that’s a good idea!!!
Can anyone confirm this and if flashing the 6/128 with the 4/65 global is going to throw up any issues?
No problem at all. Take it
Wysłane z mojego MI MAX 3 przy użyciu Tapatalka
You are right, the 6GB 128GB model never made it to the global market.
Its targeted only to china but it has been shown not to be any issue flashing global rom onto it because it boots up and it runs with global just fine.
The 4GB 64GB phone is starting to show up in local stores for around the same price I paid for the 6GB model so I'm glad I bought it from tradingshenzhen and didn't wait for something that was never going to happen
Edit: Btw selecting the unlocked bootloader tradingshenzhen flash the Xiaomi.eu rom onto the phone, so its not an issue with fake rom as seen on aliexpress, they don't advertise it to be a "genuine stock rom"
https://forum.xda-developers.com/mi-max-3/how-to/rom-xiaomi-eu-miui-10-mi-max-3-t3825680
SUPERUSER said:
You are right, the 6GB 128GB model never made it to the global market.
Its targeted only to china but it has been shown not to be any issue flashing global rom onto it because it boots up and it runs with global just fine.
The 4GB 64GB phone is starting to show up in local stores for around the same price I paid for the 6GB model so I'm glad I bought it from tradingshenzhen and didn't wait for something that was never going to happen
Edit: Btw selecting the unlocked bootloader tradingshenzhen flash the Xiaomi.eu rom onto the phone, so its not an issue with fake rom as seen on aliexpress, they don't advertise it to be a "genuine stock rom"
https://forum.xda-developers.com/mi-max-3/how-to/rom-xiaomi-eu-miui-10-mi-max-3-t3825680
Click to expand...
Click to collapse
Many thanks. Good to know someone has it and it works!
My concern was that the memory map was static at 4/64 and even though there was more memory the rom couldn't access it.
I'll order one as soon as the mad Christmas rush has ended.
steve1221 said:
Many thanks. Good to know someone has it and it works!
My concern was that the memory map was static at 4/64 and even though there was more memory the rom couldn't access it.
I'll order one as soon as the mad Christmas rush has ended.
Click to expand...
Click to collapse
Do it ordered mine on the 12 got it yesterday for 310 shipped to us, only issue is it does not get lte on att like most here said it did ,an no fm radio,also didn't see anything on tradingshenzhen about unlocking bootlaoder but, Saw China rom/xiaomi.eu options. which the EU rom was sold out in all colors
How did you go by ARB fence on Mi MAX 3?
Hi guys .
Mi Max 3 just got the Anti-Rollback system added to any firmware above 8.8.17 China Beta and 9.6.12.0 China stable.
In the link1 the "MIUI Device team" member said any transition from CN to Global will make an brick.
The only way is going to the service center after unlock bootloader.
How did you go by ARB fence on Mi MAX 3?
ROM: Chinese MIUI 10.0 Stable 10.0.6.0(OEDCNFH)
Link list:
link1 : the link will appear here when I pass requirement of XDA spam policy. Thank you for understanding.

Mi Max 3 128 GB version + custom roms

I am interested to buy the 128 gb version but I am concerned about the anti rollback and other bull**** Xiaomi has made for the Chinese version of the device.
Is it possible to unlock bootloader, install TWRP and HavocOS + root the phone without problems? Or what is the probability that I manage to get bricked phone?
LastDo said:
I am interested to buy the 128 gb version but I am concerned about the anti rollback and other bull**** Xiaomi has made for the Chinese version of the device.
Is it possible to unlock bootloader, install TWRP and HavocOS + root the phone without problems? Or what is the probability that I manage to get bricked phone?
Click to expand...
Click to collapse
Yes No problem at all. I have the 128 gb version. I have unlocked bootloader och flashed xiaomi.eu roms and tons of GSI without any problems.
Thanks.
If a smaller screen is no problem, there are many better options.
The ARB will definitely accompany you and at some point will want to come back with a version and it will be there.
The 636 CPU works at 50% and anything that opens it goes 100% all the time. No advice, very problematic phone.

S20 ultra 5g OTA no update

I just bought a used s20 utra 5g
As far as I can tell it seems genuine. Its fast and 120hz works.
CSC is EUY
SM-G988B/DS
Says firmware official and SDK Level 29
However
It says android 10 and patch Level Feb 2020 In the software info.
When I go to software update it finds no updates.
Should this have android 11 or at least a newer patch level.
Any suggestions/ ideas
Go here and find your appropriate carrier to update gradually to android 11

[MOD] ONEUI 4 Bootloader warning remover for S20FE EXYNOS - TWRP and ODIN

For the people who have unlocked bootloader and have installed the newest ONEUI 4 for the Galaxy S20 FE Exynos, here are 2 versions of the mod to get rid of the Bootloader warnings.​
ODIN VERSION - Put the phone in download mode and flash the file in AP tab via odin.
TWRP VERSION - Just flash via TWRP.
ODIN version by me and thanks to @madadictromtester to make the TWRP version.
Can you do some for G780G snapdragon?
DILTON said:
Can you do some for G780G snapdragon?
Click to expand...
Click to collapse
no-one has uncovered how the warning screens work yet on the snapdragon versions.
Confirmed still working on OneUI 4.1
Could you please make or create the mod works with the 5G SnapDragon version!?
Still working for me. Saved my night

Samsung S20 Ultra 5G G988U upgrade to Android 13

Good day,
I currently have a Samsung S20 Ultra 5G (G988U) that's currently on;
One UI 4.1
Android 12
G988USQU2FVF1
I currently do not have eSim function on this version, but it is available on G988USQU3FVG6_USC version. Can i flash just the HOME_CSC file on my current bootloader 2 version with this bootloader 3 version in order to get the eSim function?

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