Flashing T-Mobile stock rom on a rooted 20 Ultra 5G - Samsung Galaxy Note 20 Ultra Questions & Answers

Hello,
I am wondering I currently have Sac23 rom on my phone. Is it possible to flash the SM-N986U_N986USQU2DUC8_R T-Mobile rom in Odin? Does it erase the recovery that's on here right now? Can I install Magisk after?

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Question about XtreStoLite (G920F)

Please forgive if i'm posting incorrectly, have been a lurker for a while
I have a Samsung s6 G920F variant, locked onto o2 (UK network) I believe the bootloader is locked also.
I was on Lollipop (with pingpong root) and recently upgraded to Marshmallow 6.1, so my root is obviously gone, and it doesn't seem that there's root right now that works.
I really want to try out the XtreStoLite rom, theoretically could i flash this rom via odin, since its TW based, would it load on without root, and with locked bootloader? I don't really care about Xnox tripping, but I definitely don't want to brick the phone... I'm not sure if the XtreStoLite rom would count as 'stock based' therefore being recognized by the phone as an official operating system? If that sounds correct.
http://download.chainfire.eu/supersu
Link to root your phone correctly.
And Yes you can flash xtrastolite with a custom recovery and without root .
Agreed. ROM has root already. Since you're already on MM, don't flash BL and modem, just ROM & optionally addon. Note that if you replace the stock kernel, you'll probably lose root.
Sent from my SM-G920W8 using Tapatalk
If you lose it, just flash the zip below again
hasnunl said:
If you lose it, just flash the zip below again
Click to expand...
Click to collapse
Thanks!

Rooted S6 G920F rooted on 5.1.1, upgrade to 6.0.1

Hey hoping someone can just help answer my question on flashing my phone.
Currently I have a rooted G920F S6 running 5.1.1.
What I want is a bloatware free minimalistic ROM, so I chose to install is XtreStoLite 3.3.1 FINAL Marshmallow Android 6.0.1,
Do I have to update the firmware first? I tried with Samsung smart share but it freezes everytime I try to use the program.
Any help be great
Is your current software version an official Samsung one? For android 6.0.1 you need a custom kernel for your S6. Find one that supports the 6.0.1 bootloader and then a custom recovery like TWRP.
Sent from my SM-N910H (DN5 v0.6)
Hey mazwi thanks for the reply. Yes it's the official stock one running 5.1.1.
Phone is rooted and twrp installed I just wanted to be sure I could install the rom straight away without anything else.
Any advice on this kernel be glad great help?
To flash successful a 6.0.1 rom
First you need to flash modem and bootloader that are compatible with MM using odin.
https://www.androidfilehost.com/?fid=24531172553916563 under BL button
https://www.androidfilehost.com/?fid=24531172553916564 under CP button
Second make a factory reset
Third flash the rom
Fourth Enjoy your new rom
As for the kernel it will work 100% with the stock but arter's kernel in my opinion is the best.
*flash the kernel after the rom
*links are from XtreStoLite DeoMod Edition 3.3.1 MM thread

Updating Bootloader and Baseband

Hello,
I'm pretty new to roms. I have a Samsung Galaxy S7 Edge G935F and want to install The King of Nougat rom. In the install instructions it asks that I install the new bootloader and baseband. I just rooted this phone and installed twrp and it is still on the stock firmware Nougat 7.0. My question is if I update the bootloader and baseband will it affect the my backup of the stock firmware if I restore back? Also will it affect any other roms i decide to install in the future or do all other roms come with their own bootloaders and basebands? Any advice is very much appreciated.
Thanks

Help updating my rooted device.

This is what is installed on my device: TWRP 3.0.2-3 / android 6.01 (I THINK it's a bit modified rom) / SM-G930FD
I rooted asap I bought it few years ago, I want to update to the latest Nougat version 7.0.0 (I think the 7.1.2 is not officially released, right?)
All I need is stock (slightly modified is also ok) + root and don't mind formatting it to start from the scratch.
What are my options and/or what should I do? Thanks for reading!
Flash the latest stock ROM with Odin, then root.
audit13 said:
Flash the latest stock ROM with Odin, then root.
Click to expand...
Click to collapse
Thanks for the reply.
Can't the TWRP do the same thing? If I flash using the Odin, will I lose the TWRP?
You need to use Odin to flash a stock ROM which will cause you to lose root and twrp.
audit13 said:
You need to use Odin to flash a stock ROM which will cause you to lose root and twrp.
Click to expand...
Click to collapse
Thanks.
Could you tell me which ones should I use? What do you think about the smartswtich?
https://www.sammobile.com/firmwares/
https://updato.com
I recommend matching the ROM to the original carrier.
audit13 said:
I recommend matching the ROM to the original carrier.
Click to expand...
Click to collapse
It's an international unlocked version, does it have a "carrier"? How do I find it? I'm located in Japan and imported this phone.
You can install the Samsung Phone Info app from the Play Store to find out the csc and match that to the ROM.

Oreo Custom ROMs on Canadian W8 variant - Anyone successful?

Given that the Oreo S7 update has now been delayed, I've been trying to flash a variety of the custom BTU and Note 8 ported ROMs on my Canadian W8 variant. Every single one I've tried will put me into a bootloop or hang at the S7 logo. I feel like I must be doing something wrong and would appreciate any help if possible.
I'm currently using the Superman Nougat ROM v2.5.0
I've tried the following steps:
Doing a full wipe - Reboot to TWRP - Wiping everything except SD - Reboot to TWRP
Installing each ROM either using AROMA or flashing no-verity-opt-encrypt-6.0.zip then installing the zip for the ROM and/or flashing Magisk-v16.4(1642) and/or SuperSUv2.82
I've chosen both updating the bootloader and modem and NOT updating the bootloader and modem, but no difference. I've tried all different combinations above and I've tried flashing stock via ODIN beforehand.
If anyone has had any success with flashing any of the Oreo ROMS out there on the W8, please let me know which ROM you are using and what steps you've taken to flash successfully. It would be greatly appreciated!
Thanks so much!
Updates?
I am running W8 on Alex DevBase ROM 5.8 (WAS running)
I Odin flashed back to Oreo stock tho recently.
Best of luck.
You need to update to oreo with odin first
Just flash stock oreo, install twrp.
After that you gonna be able to use oreo rom.
I'm on superman 3.0.1 right now.
I'm using Resurrection Remix on the W8 S7 right now.
plarouche_78 said:
You need to update to oreo with odin first
Just flash stock oreo, install twrp.
After that you gonna be able to use oreo rom.
I'm on superman 3.0.1 right now.
Click to expand...
Click to collapse
I did flash stock Oreo via Odin (lost root)
I CAN flash TWRP but getting root is where I run into problems. What am I doing wrong?
I did find that Dev OP from Superman posted an updated TWRP specific for Oreo S7 maybe I should try that one?

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