yashsingh1/xdaforums huggingface dataset:
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rwd0530:
Hello All,

Sorry for the noob question but I want to be 100% before I flash my SM-N986U as this will be my first time doing this.

I have a Note 20 Ultra 5G ATT phone which I unlocked and currently have service through Verizon. I believe my phone is a revision or two behind in firmware updates and I strongly feel that I am not getting OTA updates. When manually trying to update I get No Updates Available. My intention is to flash my phone to bring it up to the latest firmware update an attempt to resolve my issue of receiving future OTA updates from the carrier. I've read through most of this thread and believe I understand what I need to do but this is my “measure twice and cut once” precaution because I'm fully aware if I don't do this right I can break my phone.

If someone would please confirm the following based on my phone details below. Thank you in advance.

- The firmware that I would use for my phone from post#2 is N986USQU1CTL2 ATT/TMB/SPR/CCT?

- To keep my phone’s current settings within Odin use CSC = HOME_CSC?

- Is Odin3 v3.14.4 a good version to use for this phone / FW flash?

[Phone Details]

SM-N986U (SM-N986UZKAATT)

CSC - N986UOYN1ATGP

Region - USA (ATT)

Current FW / Baseband Ver. - N986USQU1ATGP
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
So Since you're on quite a bit older firmware I might recommend backing up and allowing the device to wipe. If you're on VZW, then flash the one listed in post #2 for VZW, be sure to use the Odin version that I have listed here. It needs to be the modded one.

If you decide to not wipe, then yes, use the HOME_CSC and do NOT use the USERDATA file.

BTW, "breaking" your phone is REALLY REALLY hard to do now (Worse case I've seen is a boot loop/loss of data)
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rwd0530:
Thank you very much for your assistance and quick response. I will take your advice with doing a backup and wipe. So with that said does the below look correct for what I need to do?

- Firmware to use - N986USQU1CTL4 VZW Android 11

- Going from ATT to VZW I'll need to use Odin3_v3.13.3b

- Within Odin BL,AP,CP and CSC = CSC_OMC_OYN....

- Within Odin USERDATA = Blank / Do not use

*** There are two VZW versions CTL4 and CTLA. I believe I read to use the CTL4 version can you confirm for my phone.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
CTLA is the more current version
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rwd0530:
OK I flashed my phone and Odin showed successful. My phone rebooted and went into the Recovery screen which was unexpected to me. I selected Reboot System option and the phone rebooted. This time the phone booted successfully but noticed I still had the AT&T logo at boot startup. Is that suppose to be if I flashed the VZW firmware?

So at this point the phone started applying the updates. After the updates completed I swiped to open the phone where I need to type in a unlock PIN. This was also unexpected because I was thinking I wiped the phone. So I type in my PIN and it failed and can't get into the phone. I thought by setting the CSC field in Odin to use the CSC_OMC_OYN.... file it would wipe everything where I would have to setup the whole phone again? Did I miss something? What is your recommendation to do at this point?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
The firmware is not bound to any specific carrier, it'll work on any snapdragon device regardless of the carrier. Being on the carrier "current" is only to help you start getting OTA's.

I might consider flashing again, and this time use the USERDATA file too

The PIN would likely be from wiping the device, Google "knows" the device was wiped and is kind of a "Anti theft" deterrent
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rwd0530:
Verizon
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rwd0530:
OK I flashed again with USERDATA and all is good now. You were correct about Google detected the phone was wiped and placed a lock the phone. While going through the setup process on the phone there was a notification that Google detected this phone was wiped. Thank you again.

PS. After flashing / wipe the phone it still has ATT apps preinstalled and the AT&T logo appears when booting. Also the Service Provider software version show ATT. Is that normal when flashing everything like I did?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
Looks like a new update for AT&T Carrier firmware is out, 256mb. Changed my date to Tuesday and checked, it's installing now
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
Jan 1 Security patch 1CLTB
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] Venom0642:
Yup
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] netnerd:
L T B

dont you mean

T L B ?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] butchieboy:
Of course there is...lol I went back to BTK1
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
Yep! It's "dyslectic Friday"

:D
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] jcid:
are these firmwares rooted already?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
No they are not, they are Stock
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] jcid:
cool whats the easiest way to root it kingo or something nowadays?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
There's a root thread, but I'm pretty sure it's something like $150 and you have to send you device somewhere. not worth it IMO, but others might think it is
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] jcid:
Its a unbranded unlocked note 20 ultra 5g and I already had the bootloader unlocked. Just trying to figure out how to root now. been about 10 years since i have last lol
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] butchieboy:
Flash Twrp..uncheck auto reboot. Boot directly back to Twrp..format data..boot to Twrp..flash Weta kernel..flash Note20 encryption..flash Magisk
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] butchieboy:
Kangi,

Can you upload this. I believe the Mega link is only good for a couple weeks.

N986USQS1CTLB-SPR

File on MEGA

mega.nz
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
Thanks, I do have CTLB links in post 2 already. Added the "SPR" to the OTA string
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] butchieboy:
Sorry didn't realize you already had it.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
No worries man! Thanks for thinking of us :D
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] gramsey1911:
Verizon just dropped January 2021 update
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] voden07:
Hi, I've been wondering, what's the difference between unlocked, I bought mine then unlocked it, do I flash these or the 1st batch of firmware
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] toskabab:
So question for you guys, I just flashed CTLB on my Unlocked phone so I can get ATT features and OTA. The only thing I really miss is Samsung's stock spam and call protect app. ATT'S version sucks. Is there any way I can sideload that?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] DPretzelK:
Guys, I got a question... I received the OTA update to N986U1UES1CTL7 like 2 weeks ago, everything fine! But I just received a new OTA update to N986U1UEU1CTLB.

My CSC is XAA and my phone it's unlocked U1, is it a carrier update or it is indeed for the U1 model? o_O

EDIT1: I just installed it, seems everything right... Checked what's new and the only thing I found was that the fingerprint sensor works faster on my thirdparty apps, before it worked very slow on them, also the fingerprint biometric security patch was updated and found 2 new updates on the Galaxy Store.

Cheers!
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
The Unlocked versions do not have the bloat/boot screen or Features that the carrier versions have. You can flash either of them to your device, it's up to you
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
I'm not aware (or could find) an apk to load. You could take a look in the playstore at Hiya, they are the ones that provide the call blocking/spam services to both AT&T and Samsung, so might be worth a shot(?)
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
Uploading VZW/CCT N986USQS1CTLC, I'll have a link in the OP in a few min.

EDIT** It also looks like N986U1UEU1CTLB is the latest for the U1 as well. I'll have added to post #3 in a little while
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] butchieboy:
I could send you a paid app I have for spam calls. Works very well, its what I use. Just shoot me a PM if you want it.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] voden07:
will i receive OTA updates?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
Yeppers
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rwd0530:
Question for all. I have a Note 20 Ultra ATT phone that is unlocked. My current provider is Verizon. Since my provider is Verizon and was having issues getting FOTA updates so I flashed the phone with N986USQU1CTLA VZW with full wipe / USERDATA with Odin3_v3.13.3b. With that should I still be seeing ATT references in the Service Provider Software version? Shouldn't it be VZW. I'm still seeing ATT (below).
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rjohnstone:
It should read ATT/ATT/VZW. The last one is what matters.

You can always manually change your CSC via dialer code.

Dial *#*#27262826#*#* to bring up the CSC tool and select VZW.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rwd0530:
Thanks for the reply. When I dial the above number I get a Verizon wireless message that it couldn't complete my call. Do I need to download Google Phone from Google Play for this to work?

I also tried *#272*IMEI number# and got an error "Connection Problem or invalid MMI code."
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rwd0530:
Wanted to clean up my last response as I'm a real noob at this. So after further research I understand that within the phone dialer you enter in the info you provided me of *#*#27262826#*#* which should bring up the CSC tool right after I type in the last the character "*", however it doesn't. I'm finding some other posts where others are experiencing this same issue as me where they are unable to access the CSC tool menu saying the last update or so prevents accessing the phone's CSC menu? Do you have any recommendations what I can do?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rjohnstone:
My bad... You have to use Google's dialer to get to the CSC app.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rwd0530:
Yeah I figured so downloaded the Google Dialer and it still didn't work for me. When typing in the code using Google Dialer, right after I type in the last the character "*" the code string disappears and nothing happens. I know it's very straight forward and I even watched a youtube video showing how it's done but for some reason I'm not getting the CSC tool menu. Any suggestions?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rjohnstone:
That's very odd. I'm running "U" CTLB firmware and it's working.

Try flashing that first and then it should work. I'm on AT&T and the code isn't blocked.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rwd0530:
I'm currently running the N986USQU1CTLA for VZW. It was recommended that I flash with that version since I have an ATT SM-N986U (I got unlocked) and my current carrier is Verizon. My goal is to get my phone up to the latest firmware and start receiving FOTA updates. So for my situation and what I'm trying to accomplish am I running the right firmware for my phone? Appreciate your help. Thank you.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rjohnstone:
CTLC would be the most current for VZW.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rwd0530:
OK I flashed my phone with CTLC firmware using Odin3 v3.13.1_3B_PatcheD BL+AP+CP & HOME_CSC then tried the code with the Google Dialer again and same result. Ahhh...don't know what else to do.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rjohnstone:
Pull your SIM card and reboot and see if it comes up. I'm out of other ideas at the moment.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
I would try to remove the SIM, flash the BL, AP, CP, CSC, and USERDATA. Shut the device off, insert the SIM and power the device on
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] adj998:
Anyone that uses Google Assistant having issues on their device? Specifically CTLC? It won't work whatsoever. I can train my voice etc but actually trying to open the Assistant app is a no go. I've cleared cache/data and also uninstall and reinstall and nothing works. I tried manually launching it with Alliance Shield app (replacement for package disabler) and still nothing
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
I'm on CTLB, I'm not having any issues with GA
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] bblanski:
No issues here and I am on CTLC.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rwd0530:
Thank you for your continued support. Per your recommendation above I pulled the SIM card, rebooted, dialed the code in Google Dialer and same result.

From what I'm observing is the behavior acts like that feature is being blocked as right after I type in the last the character "*" the code string disappears and nothing happens. Like it try to do something but doesn't. I can type in *#*#27262826#*# ######## and will allow to type in unlimited characters but if I type in *#*#27262826#*#* the character string disappears.

@kangi26 - I flashed my phone per your recommendation above and still having the same result. Crazy. Do you think I should try putting in the ATT SIM that came with the phone and try or does that not make any difference?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rjohnstone:
Never hurts to try. I know AT&T isn't blocking the CSC dialer code from Google Dialer.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] eelpout:
Quick question (I think). I've been looking at getting a Note 20 Ultra to replace a Note 10+ 5G. I'm on T-Mobile. I notice a lot of the refurbs out there are unlocked on Verizon. So, in order to get T-Mobile's b71/n71 bands with one of these I'd I'd likely have to re-flash.

So the question, better to flash with T-Mobile firmware or unlocked U1? I can't seem to find for sure if the 71 bands are part of U1.

thanks!

ps. and I may end up using this with Google Fi, for carrier switching, which I think then needs the unlocked variant.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rwd0530:
So I found a thread on XDA about someone having the exact issues I'm experiencing. This person resolved it by downgrading to a firmware with One UI 2.5 and was then able to access the CSC menu using Google Dialer. Can you recommend a firmware rev that has One UI 2.5 that I can try?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rjohnstone:
The last one right before Android 11 rollout. N986USQS1BTK3
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] supurman182:
Ok so I have unlocked a T-Mobile phone and am currently using it on Verizon. I just change the CSC to Verizon using the *#*#27262826#*#* method. I did not flash any firmware but it seems to have worked all the Verizon apps are here and the Verizon logo is at start up. I'm I okay here. Do I need to flash to Verizon firmware???
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
Only if you want OTA updates. If youre not too concerned with the OTA and would just manually flash the next security update you can stay with the one youre on
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] DigitalMenace:
I know this is from a while back... I posted somewhere in this thread about installing an unbranded unlocked ROM and was looking for it when I happened past this question. Your question is exactly why I wanted to flash a Verizon free version.

Since Android 11 came out, and my phone is unlocked, I installed the U1 universal rom updated to Android 11 (link in original post). I did a "dirty" update, so I didn't lose any data or apps. I then uninstalled all there Verizon crap, which removed the restrictions they impose on the phones. I did have to put a sim card from another carrier and I was able to re-enable the calling and messaging on other devices and other disabled features. Video calling shows up, but as Duo so I'm not sure what's up with that. The only thing I "lost" was the 4G logo; I get LTE+ instead, but 5G works perfectly as does wifi calling. I've received 2 OTA updates from Verizon, but not branded. For all intents and purposes my phone is acting like a 100% Samsung Factory unlocked phone.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] supurman182:
So if I flash N986USQS1CTLC I will start getting ota through Verizon?

Also i ran into a problem after I changed the csc to Verizon. I reset my phone and now RCS is not working. It says network doesn't support this feature. It's there anything I can do. Would this have happened anyways when I flash the Verizon firmware?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
Yes you should start getting OTA (Thats the hope at least ;) )

Yeah there was talk of the RCS a few pages back in the thread. It's a Verizon thing and I'm not too sure if they resolved it
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] supurman182:
Okay. Everything looks great I just flashed to CTLC. On my service provider version it says vzw/vzw/tmb is this normal? Also there is no visual voicemail app and there's no way for me to download it
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] DigitalMenace:
I have "Voicemail" app that, when opened, checks for Verizon's Visual Voicemail subscription (Basic or paid). Before I flashed the U1 ROM on my unlocked phone, Verizon's Visual VM was a horrible experience. The "updated" version is rated at 1.5 stars in the Play Store will all of the same complaints.

But, what's weird is, if you flashed the entire Verizon ROM, it would include all Verizon's stock bloatware, including Visual VM.

I'm happy to be rid of their apps. I got tired of telling them I didn't want their caller ID, Spam Protection and other over priced services.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] HychianXDA:
New Update for U1
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
Thanks, I'll get a link posted a little later today
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
Oh and as a side note (Pun intended). If you look in your Settings>Apps in Android 11 they moved the "Show System Apps". You have to open the Filter to the right of where it says "Your apps..............."
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] wrecklesswun:
Besides wifi calling did the native video call work as well?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
Added a link to U1 CUA1 to the OP
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] Jobudden:
Would love to know if any of these versions get a fix for wireless Android auto if anyone uses it!?!
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] wrecklesswun:
I get a SHA-256 fail when i try to flash. Any suggestions? (Please)
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
Are you using the Odin that are posted in the OP threads?

What point does it fail?

Try a different USB cable and different USB port?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] wrecklesswun:
I switched from the 3.14 to the one in this thread and that worked. Thanks!
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] wrecklesswun:
Now that i am flashed, i can get the wifi calling working with the home_csc and U1 but not video calling. It appears it wants to work, but then says call declined. SPoke with AT&T and it worked for 2 days then stopped again. Any ideas?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
A bit off topic today, but have any of you guys noticed an oddity with the screen sensitivity? I can be holding my finger on the screen to slowly scroll on a page and the damn thig will detect a "tap" and open things up. I don't have a screen protector and I don't have the "Touch Sensitivity" enabled either. REALLY annoying
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] iunlock:
Is this happening with Android 11 or 10?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
11
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] rjohnstone:
I've had things open with my finger hovering over the screen. It's like they cranked the sensitivity way up.

And they STILL haven't fixed the gesture swipe zones. Still way too small.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] iunlock:
Interesting... thanks for confirming. I was just about to root and was debating on whether to install the latest 10 or 11. I use Nova so the UI really doesn't matter much, rather I'm more interested in if there are noticeable camera improvements with 11?

Have you noticed any improvements in the camera department? I also noticed that the file size for 11 is smaller than 10...ie... a bit more lean, which is nice I guess.

I'm glad that the bl is all the same still to give us the freedom to roll back. However, when I flash a firmware I like to stay put as I'm the type to manually back up and manually set things up again. Not much of a one touch back up type of guy.

I have both the latest 10 and 11 downloaded... now just deciding on which to settle and stay put on. The camera improvements (if any) will have a heavy influenced on determining which one I go with.

Thanks for your input.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] iunlock:
Oh gosh.. have you tried turning On sensitivity to see how bad it is? Lol ... I get you could hover swipe from across the room. :LOL:

Are others who are on 11 having or noticing this same issue? I'm really curious now. @butchieboy, hey buddy ol' pal, did you notice this when you were testing 11? I know you've rolled back since, but I recall you rolling back to 10, because 11 was meh?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
I can't say I see much in improvements in the camera, I don't use it very often.

Overall 11 is better than 10. Some of the updates are a little better, mainly some adjustments in theme, volume sliders, etc. Still totally worth it IMO. Not to mention it has the largest security updates
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] Venom0642:
I Haven't noticed this on my AT&T Note20 Ultra 5G 512GB .
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] butchieboy:
Whats up Unlock..good to see you here...a lot of good people here. I did not notice this issue when I was on 11
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] borijess:
Samething happens to me. Especially on Google Discover. Very annoying. I do have a amfilm glass screen protector with touch sensitivity off.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] SKSXS:
11 Sucks !, I am not able to do anything without it swiping or touching something I did not intend.

most of my apps do not even work anymore, good lock is being updated but it seems they are going backwards.

Nothing works as it should anymore.10 while bad, 11 is useless, as It is a fight just to use the phone as a phone much less for anything else.

I Shouda bought an iphone. It seems that is where Android is going to.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] kangi26:
Yeah, I can say that Google Discover is the worst offender by far
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] DigitalMenace:
I use it with a Kenwood head unit and have no problems with wireless to Android auto.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] pimpmaneaton:
Crap, carriers are really dragging to get out an update this month. Wonder if 3.1 will be dropping soon.
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] Jobudden:
Which version are you using?
[Samsung Galaxy Note 20 Ultra Guides, News, & Discu] Jobudden:
I'm on an official Verizon build. I have to try to connect between 2-10 times before it will finally connect lol