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S9+ Exynos on T-Mobile US Journey.

Just received my S9+ 256GB Korean Variant SM-G965N. This is going to be my experience with this particular variant and its compatibility with the T-Mobile network. Currently it shows I'm connected to Band 2 LTE but the speeds I'm my area are very slow. Withing the next couple days I'm am going to test the network throughout my area in Cali and test speeds and connectivity and report back. Unfortunately the build of Samsung pay is customized for S.korea only and not compatible here in the US.
Current build after first update is G965NKOU1ARC7
Baseband versions G965NKOU1ARC4

I have some data speeds this afternoon while out driving. The long screenshot is from my G965 and the short list of from a T-Mobile variant S7 . Connection to the network itself has been stable with no notice of dead spots or issues switching towers, if anything I'd say the switch is faster from what I've notice between devices.

Excellent...a lot of us have been waiting for this...thanks for testing...

I was curious about this. I have a G965U1(S9+ Unlocked North America variant).
I have a second phone with Ting GSM(T-Mobile), and I tried a few speed test. The phone configured it self to send calls over wifi when ever I connect to wifi. I found that peering with Sprint appears to be an issue.
Test 1:
http://www.speedtest.net/my-result/a/3760631925
Test 2:
http://www.speedtest.net/my-result/a/3760634735
Test 3:
http://www.speedtest.net/my-result/a/3760638116
These are all from the same location.
https://imgur.com/a/mYrqj

clockedtouch said:
Just received my S9+ 256GB Korean Variant SM-G965N. This is going to be my experience with this particular variant and its compatibility with the T-Mobile network. Currently it shows I'm connected to Band 2 LTE but the speeds I'm my area are very slow. Withing the next couple days I'm am going to test the network throughout my area in Cali and test speeds and connectivity and report back. Unfortunately the build of Samsung pay is customized for S.korea only and not compatible here in the US.
Current build after first update is G965NKOU1ARC7
Baseband versions G965NKOU1ARC4
Click to expand...
Click to collapse
Yo im one jealous F*** right now.... Lucky effen you, where did you order from?
Also, Samsung Pay is still force closing on most Oreo Builds, have been,....

Hey guys,
I also got an international S9+ (SM-G965F) but from Germany Unlocked (DBT). So far the signal seems to be great. Will post some Speedtests later. The only downside is that wifi calling and VoLTE is not there. It was working with my German sim. Other than that it's been great.

clockedtouch said:
Just received my S9+ 256GB Korean Variant SM-G965N. This is going to be my experience with this particular variant and its compatibility with the T-Mobile network. Currently it shows I'm connected to Band 2 LTE but the speeds I'm my area are very slow. Withing the next couple days I'm am going to test the network throughout my area in Cali and test speeds and connectivity and report back. Unfortunately the build of Samsung pay is customized for S.korea only and not compatible here in the US.
Current build after first update is G965NKOU1ARC7
Baseband versions G965NKOU1ARC4
Click to expand...
Click to collapse
Have you flashed T-Mobile CSC? I assume you have to root and make a custom zip to flash the files. If the phone thinks it's a legitimate T-Mobile phone then it give you full speeds.
Also is the Korean phone a duos? Dual SIM?

Psyscope said:
Have you flashed T-Mobile CSC? I assume you have to root and make a custom zip to flash the files. If the phone thinks it's a legitimate T-Mobile phone then it give you full speeds.
Also is the Korean phone a duos? Dual SIM?
Click to expand...
Click to collapse
I dont think that is possible. Isn't the Korean version run on Exynos? Flashing a Snapdragon CSC for TMB would be wonderful but I think would mess lots of thinks up. Hopefully someone will be able to change the CSC to work on the exynos processor.

Okay so the weirdest thing happened to me. I tried to use Samsung pay a few days ago. I used app cloner to copy the working version of my note 8 snapdragon and sent it to my S9+. It didn't work and gave me the connection error. Now I was just on the phone and out of boredom I tried to open Samsung pay again while on the phone and it magically worked. It asked me for my Iris and fingerprint and I was able to add my cards again. Again, this is on exynos DBT from Germany without any modifications or OEM unlock.
Hope this will help at least with Samsung pay.

Psyscope said:
Have you flashed T-Mobile CSC? I assume you have to root and make a custom zip to flash the files. If the phone thinks it's a legitimate T-Mobile phone then it give you full speeds.
Also is the Korean phone a duos? Dual SIM?
Click to expand...
Click to collapse
Yes am looking into seeing how I can configure the CSC to achieve full T-Mobile speeds. The Korean variant in not a duos.
AndroidDevices said:
Yo im one jealous F*** right now.... Lucky effen you, where did you order from?
Also, Samsung Pay is still force closing on most Oreo Builds, have been,....
Click to expand...
Click to collapse
I have a friend that works at Sammy S. Korea that picked it up for me, as for Samsung pay the apk is specifically built for the Korean market and has a different activation process which requires a text from one of the local carrier networks which I cant bypass.

Sunnyschlecht said:
Okay so the weirdest thing happened to me. I tried to use Samsung pay a few days ago. I used app cloner to copy the working version of my note 8 snapdragon and sent it to my S9+. It didn't work and gave me the connection error. Now I was just on the phone and out of boredom I tried to open Samsung pay again while on the phone and it magically worked. It asked me for my Iris and fingerprint and I was able to add my cards again. Again, this is on exynos DBT from Germany without any modifications or OEM unlock.
Hope this will help at least with Samsung pay.
Click to expand...
Click to collapse
The build is completely different and won't work because of the region and coding in this software build. I am not ready to root yet so I'm going to tinker with software that's official and see what I can get working, improve on for now.

Sunnyschlecht said:
Hey guys,
I also got an international S9+ (SM-G965F) but from Germany Unlocked (DBT). So far the signal seems to be great. Will post some Speedtests later. The only downside is that wifi calling and VoLTE is not there. It was working with my German sim. Other than that it's been great.
Click to expand...
Click to collapse
What operator do you use, I am at T-Mobile with a 695F and it does not connect at 4G.
Anyone has a clue?

titoh said:
What operator do you use, I am at T-Mobile with a 695F and it does not connect at 4G.
Anyone has a clue?
Click to expand...
Click to collapse
Not really. I'm also on T-Mobile USA and have the German exynos. The apn settings were loaded correctly. Maybe check them in the settings and make sure it's set correctly. The only thing that is not working is VoLTE and wifi calling.
Samsung pay finally works with the credit cards but the membership doesn't work.
Gesendet von meinem SM-G965F mit Tapatalk

titoh said:
What operator do you use, I am at T-Mobile with a 695F and it does not connect at 4G.
Anyone has a clue?
Click to expand...
Click to collapse
ow did you do the initial setup with or without the T-Mobile sim inserted ? I noticed when I originally set my Korean variant up without the sim, for some reason I did not connect to LTE in my area and after oem unlock and restart/ full wipe it connected perfectly since.

I've got the same model, I'm with ATT, speed test shows 31m down and 10m up, but actual downland from play store is less than 2m...

Hi do you receive benefits in your samsung members app?

Yes if we can get T-Mobile CSC settings to enable VoLTE and Wifi calling then I will root.
I am recently realizing Samsung Pay is not everything it's cracked up to be. It doesn't seem like they have many 3rd party companies registered, so I made a custom loyalty with the barcode, but it doesn't work when it's scanned at checkout. Funnily enough, I have the loyalty in GPay as well, and it works just fine. Also SPay doesn't seem to work in gas station cc readers where you stick the card in and pull it out instead of swipe. Unfortunately it just doesn't seem like the technology is there yet where we can ditch traditional cards.

snooyy said:
I've got the same model, I'm with ATT, speed test shows 31m down and 10m up, but actual downland from play store is less than 2m...
Click to expand...
Click to collapse
ill trade u lol

@clockedtouch, a few months later now, are you still on the 965F & TMo US? Any update wrt VoLTE?
EDIT: nm, thanks to @TEKHD N8/S8x/S9x OREO USA T-Mobile EFS-CSC DETONATOR v2.2 INT TEKHD

Unlocked Version on Sprint

I cant seem to find out. Will the unlocked version work on Sprint. I get a much better deal if I preorder the unlocked version, but I'm on Sprint

The previous ones did, so I don't see why not. It supports Sprint's CDMA bands. That's the one I ordered. Pretty confident that it'll work.

jygsaw said:
The previous ones did, so I don't see why not. It supports Sprint's CDMA bands. That's the one I ordered. Pretty confident that it'll work.
Click to expand...
Click to collapse
Thanks. I know the OTA updates take longer, but I get more off if I order that one and trade my Note 8. Im only getting the regular Note 10. I feels more like my beloved Note 7's size.

I have an unlocked Note 8 that I use on Sprint. I actually loaded the Sprint firmware to get VoLTE as well. I plan to do the same with the Note 10+.

ctasich said:
I have an unlocked Note 8 that I use on Sprint. I actually loaded the Sprint firmware to get VoLTE as well. I plan to do the same with the Note 10+.
Click to expand...
Click to collapse
Sprint firmware? I ordered the base Note 10 unlocked and got a Sprint sim card for it directly from Samsung using their Galaxy forever program. I can trade it every year and basically be paying 1/2 the cost of a new one. It will ship on 9/4. The Note 10+ is just way to big for my small hands. I'll keep my Note 9 as a backup, traded the Note 8, and the Note 9 will be used when I need higher specs. I do like the thinness of the base Note 10 as well. Looking forward to it.

kbboykin said:
Sprint firmware? I ordered the base Note 10 unlocked and got a Sprint sim card for it directly from Samsung using their Galaxy forever program. I can trade it every year and basically be paying 1/2 the cost of a new one. It will ship on 9/4. The Note 10+ is just way to big for my small hands. I'll keep my Note 9 as a backup, traded the Note 8, and the Note 9 will be used when I need higher specs. I do like the thinness of the base Note 10 as well. Looking forward to it.
Click to expand...
Click to collapse
I too ordered the Note 10 as + would be too big When you get your new phone and put in Sprint sim, check to see if you have anything missing, feature wise(WiFi calling, VoLTE). If you don't then you are fine, if you do, then flashing Sprint firmware is an alternative.

Charkatak said:
I too ordered the Note 10 as + would be too big When you get your new phone and put in Sprint sim, check to see if you have anything missing, feature wise(WiFi calling, VoLTE). If you don't then you are fine, if you do, then flashing Sprint firmware is an alternative.
Click to expand...
Click to collapse
Got the unlocked with a Sprint sim from Samsung
Wifi calling and VoLTE seem to be intact. But keeps saying WiFi calling app missing. Radio signal can be weak at times.

kbboykin said:
Got the unlocked with a Sprint sim from Samsung
Wifi calling and VoLTE seem to be intact. But keeps saying WiFi calling app missing. Radio signal can be weak at times.
Click to expand...
Click to collapse
Hmm, WiFi calling is built into the system, so there should not be an app needed here. Did you transfer your data, settings from your previous phone? Maybe that device had wifi calling app which got onto your new device and somehow conflicts with the current settings

Charkatak said:
Hmm, WiFi calling is built into the system, so there should not be an app needed here. Did you transfer your data, settings from your previous phone? Maybe that device had wifi calling app which got onto your new device and somehow conflicts with the current settings
Click to expand...
Click to collapse
Yes, initially restored from Samsung backup, then from smart switch. I just wanna make sure I have the best modem firmware. This is the first time in a long time I'm getting 1x or 3G signal where I always got 4G/LTE.

kbboykin said:
Yes, initially restored from Samsung backup, then from smart switch. I just wanna make sure I have the best modem firmware. This is the first time in a long time I'm getting 1x or 3G signal where I always got 4G/LTE.
Click to expand...
Click to collapse
So you have Note10+ or the regular note10? You can flash it with SPR firmware, it is available on SamFirm

Charkatak said:
So you have Note10+ or the regular note10? You can flash it with SPR firmware, it is available on SamFirm
Click to expand...
Click to collapse
I have the Note 10.

kbboykin said:
I have the Note 10.
Click to expand...
Click to collapse
I can't really say what would the best modem be, but I think the carrier would have as they test it on their network

Charkatak said:
I can't really say what would the best modem be, but I think the carrier would have as they test it on their network
Click to expand...
Click to collapse
If I flash it, could I use any other carrier in the future? Would it be better to get OTA updates?

kbboykin said:
If I flash it, could I use any other carrier in the future? Would it be better to get OTA updates?
Click to expand...
Click to collapse
If you flash it to SPR, you would get OTA updates when Sprint pushes it and you will be able to re-flash it to original unlocked firmware or to another carrier. I have T-Mobile firmware on my Note10

Charkatak said:
If you flash it to SPR, you would get OTA updates when Sprint pushes it and you will be able to re-flash it to original unlocked firmware or to another carrier. I have T-Mobile firmware on my Note10
Click to expand...
Click to collapse
So, reading the other threads, since I have the U1 model, do I flash tube U or U1 firmware?

kbboykin said:
So, reading the other threads, since I have the U1 model, do I flash tube U or U1 firmware?
Click to expand...
Click to collapse
U1 is what you have. You need U, if you want SPR firmware. Run SamFirm app on your PC and type in your model as: SM-N970U and for region put: SPR. See if Auto is selected and and on the right side see if Check crs32 and decrypt auto is selected hit check update

Charkatak said:
U1 is what you have. You need U, if you want SPR firmware. Run SamFirm app on your PC and type in your model as: SM-N970U and for region put: SPR. See if Auto is selected and hit check update and on the right side see if Check crs32 and decrypt auto is selected
Click to expand...
Click to collapse
I know this is a dumb question, but if I flash this will my phone still be unlocked?

kbboykin said:
I know this is a dumb question, but if I flash this will my phone still be unlocked?
Click to expand...
Click to collapse
Flashing doesn't sim lock your phone

Charkatak said:
Flashing doesn't sim lock your phone
Click to expand...
Click to collapse
Ok, thanks for all the info and help.

kbboykin said:
Ok, thanks for all the info and help.
Click to expand...
Click to collapse
No problem. If you decide to do it and have more questions, just reply

Unlocked on T-Mobile

Hi!
Hey any functionality lost by using the unlocked version on T-Mobile ?
Thanks

When speaking to Samsung about this, they told me all T-Mobile bands are supported including 5G on the unlocked versions. What you may lose is video calling (who cares) and possibly wifi calling. But in the past I've seen threads were talking to higher-level techs at T-Mobile can enable those features.

I noticed Samsung checkout page didn't ask if you need a SIM for the unlocked phone. In the past it would give you an option. So curious if you will need to go to the store for a SIM.

Thanks . Video calling is big with me . Rats

My Note 9 was unlocked from Samsung but video calling and Wi-Fi calling work fine. Not sure about this phone though.

Won't you just be able to flash the T-Mobile firmware via Odin if you get the unlocked? Then you get the best of both worlds. This is what I did with my Note10+. Got the Unlocked from Samsung then used Odin to get the official T-mobile firmware.

BigMosley said:
Won't you just be able to flash the T-Mobile firmware via Odin if you get the unlocked? Then you get the best of both worlds. This is what I did with my Note10+. Got the Unlocked from Samsung then used Odin to get the official T-mobile firmware.
Click to expand...
Click to collapse
Same here

i had an unlocked note 10 + on tmo and had no issues with video calls or wifi calling. i got from the samsung site that the note 20 has an esim which i would guess is why you dont see any wording for a conventional sim...

marctronixx said:
i had an unlocked note 10 + on tmo and had no issues with video calls or wifi calling. i got from the samsung site that the note 20 has an esim which i would guess is why you dont see any wording for a conventional sim...
Click to expand...
Click to collapse
I currently use an unlocked note 10+ on tmo that isn't flashed. The only limitation is that I cannot do tmo-to-tmo video calling. It may simply be a setting on my end but I never looked into it as there are so many options. Everything else works fine and I seem to get every update at the same time.

Dewda said:
I currently use an unlocked note 10+ on tmo that isn't flashed. The only limitation is that I cannot do tmo-to-tmo video calling. It may simply be a setting on my end but I never looked into it as there are so many options. Everything else works fine and I seem to get every update at the same time.
Click to expand...
Click to collapse
To fix that issue you can flash TMobile rom onto the unlocked version.

jship said:
To fix that issue you can flash TMobile rom onto the unlocked version.
Click to expand...
Click to collapse
Thanks. I haven't flashed a rom before but there's lots of info available. If I don't upgrade to the Note 20 then I will flash the TMobile rom onto the Note 10+. If I do upgrade I will eventually flash the Note 20.

TMO user with S20 Ultra here. Don't use video calling so I could not say. Wifi calling works.
Third party VVM apps do NOT work and TMO's downloadable visual voice mail app is garbage IMHO.
When I put my VZW sim in the same phone the Samsung VVM app works beautifully.
Unlocked S20 Ultra 512GB here.
"5G" works on TMO where there is coverage however the speed tests show LTE as connection type. Interestingly enough some of the speed tests actually show 5G. Not sure what's going on with that. Have reached over 200Mbps down on TMO "5G" a few times. Most of the time it's the same speed as LTE. Don't care, it works, hot spot works nice too.
If you were to (properly) flash TMO firmware (in theory) it SHOULD make your phone just like a TMO bought phone including the cheesy jingle when booting up. Never tried it, I like the slim as possible approach. Plus the ability to drop in a VZW sim and it just works IS a MUST for me.

knuschit said:
When speaking to Samsung about this, they told me all T-Mobile bands are supported including 5G on the unlocked versions. What you may lose is video calling (who cares) and possibly wifi calling. But in the past I've seen threads were talking to higher-level techs at T-Mobile can enable those features.
Click to expand...
Click to collapse
You don't lose wifi calling or video calling using unlocked on TMO.
Sent from my SM-G986U1 using Tapatalk

bkeaver said:
You don't lose wifi calling or video calling using unlocked on TMO.
Sent from my SM-G986U1 using Tapatalk
Click to expand...
Click to collapse
What if anything do we loose?

a1atif said:
What if anything do we loose?
Click to expand...
Click to collapse
I've been using unlocked devices on TMO for the past few years and everything works. I've not found anything that don't..
Sent from my SM-G986U1 using Tapatalk

tmobile visual voicemail has always worked for me on my samsung purchased unlocked 10+, so i guess our expectations are different.

Can't wait to see if I run into any issues with my unlocked on Sprint/Tmo

marctronixx said:
tmobile visual voicemail has always worked for me on my samsung purchased unlocked 10+, so i guess our expectations are different.
Click to expand...
Click to collapse
Only if you use TMO's downloaded app which is utter $4!+ IMHO.
I hate it so much I just dial in to listen the old fashioned way. I screen calls anyhow so the ONLY time it rings I know who is calling so not really a big deal. If callers don't have the secret PIN they get hung up on! F robos!

What about roaming on T Mobile partner network? Will I get a network on my UNLOCKED Galaxy Note 20 Ultra if I am roaming on US Cellular or any TMobile partner Network?
Will my Unlocked Galaxy Note 20 Ultra support all 5G bands from TMobile? (Low, Mid and High ) Layer Cake so to say.
What about SA 5G (Stand Alone 5G) that TMobile just launched. Will the Unlocked Galaxy Note 20 Ultra support it?

Sprint frequencies
I'm mostly concerned about the Sprint frequencies T-Mobile is picking up.

Unlocked Pre-Order from Samsung w ATT SIM - will I be able to use WiFi calling /VoLTE

Current Note8 user on ATT (phone locked to carrier). I pre-ordered a Note20 Ultra from Samsung direct, unlocked version. Have been off XDA really for a couple years and not rooting/modding much lately but have read that ATT will not allow unlocked phones on their network to use WiFi Calling and/or VoLTE. If true, are there workaround options for me (assuming I stick w ATT as the carrier I mean) to get these to work, or should I cancel the unlocked model and order the ATT version? Was hoping to root eventually and remove bloatware / play w custom ROMs again on the Ultra etc etc. - that is why I ordered an unlocked version.
Thanks gents for the guidance here! Best forum around for us phone geeks

If it will be like Note 9 or 10 plus just have to flash the U version csc with odin and it will give you wifi calling advanced..messaging..volte
Sent from my SM-N960U using Tapatalk

butchieboy said:
If it will be like Note 9 or 10 plus just have to flash the U version csc with odin and it will give you wifi calling advanced..messaging..volte
Sent from my SM-N960U using Tapatalk
Click to expand...
Click to collapse
Much thanks - I will do this then when it arrives.

Did not work for me on the unlocked note 10+. Worked right away on the tmobile.
Att was actually fun to have. Nothing that att expected worked on the unlocked device. For example I had unlimited hotspot, despite it was not included in my att plan.

Elastep said:
Did not work for me on the unlocked note 10+. Worked right away on the tmobile.
Att was actually fun to have. Nothing that att expected worked on the unlocked device. For example I had unlimited hotspot, despite it was not included in my att plan.
Click to expand...
Click to collapse
That's bizarre. I am rethinking this unlocked route. I must have wifi calling since signal at the house is terrible in my area. I don't need the drama of uncertainty if this will work or not. Might as well cancel the unlocked one and just upgrade via att. Oy. Wtf is with att these days? They lost my directv account last year and now their wireless policies are looking like a royal pita.

I don't think you have to worry .... ATT seems to consistently allow Samsung unlocked devices to have carrier functions
You just have to flash the U CSC as mentioned above. Worked for me on Note 10 and is currently working on a s20 ultra device

Jcrompton
Whats going on buddy. You jumping on the Ultra?
Sent from my SM-N975U using Tapatalk

I strongly recommend switching your order to the ATT model. I got my note 10+ unlocked based off the suggestions found here saying that flashing the att firmware would give me all the features, and I've been through a year of headaches.
For a little wile i was able to enjoy wifi calling, voicemail and VOLTE, but after my first software update the features were lost. i was able to get them back briefly by putting my sim back in an old Att phone and keeping it for a day or two, but that trick never lasted past a week. I've tried re-flashing the software, switching back to unlocked and then back to ATT, basically anything i could think of and it never worked.
calling ATT didn't help either, as the reps gave me a canned line about not supporting outside phones. the whole reason I'm updating to the 20 ultra is to just get my phone fully functional with an ATT model

Darthshadow666 said:
I strongly recommend switching your order to the ATT model. I got my note 10+ unlocked based off the suggestions found here saying that flashing the att firmware would give me all the features, and I've been through a year of headaches.
For a little wile i was able to enjoy wifi calling, voicemail and VOLTE, but after my first software update the features were lost. i was able to get them back briefly by putting my sim back in an old Att phone and keeping it for a day or two, but that trick never lasted past a week. I've tried re-flashing the software, switching back to unlocked and then back to ATT, basically anything i could think of and it never worked.
calling ATT didn't help either, as the reps gave me a canned line about not supporting outside phones. the whole reason I'm updating to the 20 ultra is to just get my phone fully functional with an ATT model
Click to expand...
Click to collapse
Thanks darth. Yeah, I switched to the att version. Hate the hidden tracking bloatware etc that comes with it but must have a very workable phone for daily work calls and wifi calling is a must. No drama is my motto these days. Thank you for reporting your experience.

I had the same situation with my unlocked Pixel 4 XL, keep calling ATT until I got the right person to modify my sim to allow WiFi Calling to work, that's my plan when I get my unlocked 20 Ultra.

I'm not a gent, but I doI have the Note 20 Ultra in for review and am using it with an AT&T SIM. VoLTE works, no option for WiFi calling.
jaxf250 said:
Current Note8 user on ATT (phone locked to carrier). I pre-ordered a Note20 Ultra from Samsung direct, unlocked version. Have been off XDA really for a couple years and not rooting/modding much lately but have read that ATT will not allow unlocked phones on their network to use WiFi Calling and/or VoLTE. If true, are there workaround options for me (assuming I stick w ATT as the carrier I mean) to get these to work, or should I cancel the unlocked model and order the ATT version? Was hoping to root eventually and remove bloatware / play w custom ROMs again on the Ultra etc etc. - that is why I ordered an unlocked version.
Thanks gents for the guidance here! Best forum around for us phone geeks
Click to expand...
Click to collapse

What worries me is the 5G. Will unlocked work for ATT 5G?

It does on my unlocked Galaxy S20+ 5G. The Note 20 Ultra is a ways to release and their system doesn't yet correctly identify the IMEI, so I can't say for sure what will happen after release day.
b00st4ddicted said:
What worries me is the 5G. Will unlocked work for ATT 5G?
Click to expand...
Click to collapse

pdagal said:
I'm not a gent, but I doI have the Note 20 Ultra in for review and am using it with an AT&T SIM. VoLTE works, no option for WiFi calling.
Click to expand...
Click to collapse
Hi Lisa,
Your reviews are the best, so thank you first of all. Can you check if it has any eSIM capabilities? Supposedly S20 was going to get an update to allow eSIM use in US but that never happened...

Thanks . I'm not seeing anything under connection settings on our US unlocked Note 20 Ultra (there's no IMEI listed or cellular network option listed under connection settings when no nano SIM is installed. EsimClient is running on the phone, which makes me think the hardware must be there. EsimClient is not running on my GS 20+ unlocked.
VICosPhi said:
Hi Lisa,
Your reviews are the best, so thank you first of all. Can you check if it has any eSIM capabilities? Supposedly S20 was going to get an update to allow eSIM use in US but that never happened...
Click to expand...
Click to collapse

pdagal said:
Thanks . I'm not seeing anything under connection settings on our US unlocked Note 20 Ultra (there's no IMEI listed or cellular network option listed under connection settings when no nano SIM is installed. EsimClient is running on the phone, which makes me think the hardware must be there. EsimClient is not running on my GS 20+ unlocked.
Click to expand...
Click to collapse
Great, thank you for checking and comparing with S20+ !
eSIMClient running gives me hope that we will get eSIM support in an update...Still perplexed how or why Samsung has gone out of the way to disable eSIM on US variants when Apple, Google support it.

pdagal said:
I'm not a gent, but I doI have the Note 20 Ultra in for review and am using it with an AT&T SIM. VoLTE works, no option for WiFi calling.
Click to expand...
Click to collapse
Ha! Thanks Lisa (love your tech vids!!) - I switched to the ATT version. Supposed to be here 8/21. I can't take a chance with wifi calling being borked, or that just that I may need to Odin-flash updates or CSC packs periodically to keep up with the monthly patches (ie force an unlocked unit to keep working on ATT's network if my previous firmware gets overwritten etc. I mean). I guess as I got older I went from a tech pioneer and adopter to just an end user LOL.... I just need it to work. Maybe I can do that package remove thingy and chop the bloatware periodically... we shall see once the community gets these units and starts their dev magic for us.
I guess I will need to make an appt at the local ATT store in a week to get on a new 5G plan from my current 4G one to take advantage of the coming speeds.

You're welcome- glad you enjoy our vids! With AT&T, you can simply change your plan online, no need to visit a store. The mid and high tier unlimited plans include 5G.
jaxf250 said:
Ha! Thanks Lisa (love your tech vids!!) - I switched to the ATT version. Supposed to be here 8/21. I can't take a chance with wifi calling being borked, or that just that I may need to Odin-flash updates or CSC packs periodically to keep up with the monthly patches (ie force an unlocked unit to keep working on ATT's network if my previous firmware gets overwritten etc. I mean). I guess as I got older I went from a tech pioneer and adopter to just an end user LOL.... I just need it to work. Maybe I can do that package remove thingy and chop the bloatware periodically... we shall see once the community gets these units and starts their dev magic for us.
I guess I will need to make an appt at the local ATT store in a week to get on a new 5G plan from my current 4G one to take advantage of the coming speeds.
Click to expand...
Click to collapse

I flashed my unlocked Note 10 plus and didnt get wifi calling, visual voicemail, VOLTE.....only reason I am up grading is to get an ATT version, and to skip all the hassle of an unlocked version. Never again.

pdagal said:
I'm not a gent, but I doI have the Note 20 Ultra in for review and am using it with an AT&T SIM. VoLTE works, no option for WiFi calling.
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Click to collapse
Could you tell me more. I have the US unlocked note 20 ultra, I put an AT&T sim in (from my note 9 unlocked) and I can't find an option to turn on wifi calling. I pretty much gave up on feature like this, because I would rather have the unlocked phone, but if it works now maybe I am missing something.
Thanks
Sent from my Samsung SM-N960U1 using XDA Labs

T-Mobile Note 10 Plus 5G

I unlocked my note 10+ 5g from t-mobile, but it won't get service with verizon.
When I install a non-tmobile sim, the software does not switch from tmobile for some reason.
Also Sam Mobile only has t-mobile and metro pcs firmware availible for the sm-n976u
Does anyone know if there is a way to get the phone working with verizon? Thanks.
-God Bless

Try clearing Sim card tool kit data.
Network reset.
Clear system cache.
Edit Access point names to correct values.
That's all I got but sure there's more. Never had use more than the above but never changed carriers. Verizon advanced tech support should be able to help... AT&T would.

The Verizon Note 10+ 5G has a different model number. So they probably won't allow the T-Mobile/Metro/AT&T version on their network

iBowToAndroid said:
The Verizon Note 10+ 5G has a different model number. So they probably won't allow the T-Mobile/Metro/AT&T version on their network
Click to expand...
Click to collapse
I think you're correct. AT&T is compatible with Tmobile but not Verizon according to B&H Photo compatibility charts.
So it look like AT&T is in your future. AT&T is easier to deal with anyway. Do not use a corporate store though, use over the phone or online AT&T.
It may be possible to change out the C port PCB for the Verizon variant. Yes that PCB controls internet access. I can't confirm this is the only difference though! That PCB is only $20 and relatively easy to change out.

blackhawk said:
I think you're correct. AT&T is compatible with Tmobile but not Verizon according to B&H Photo compatibility charts.
So it look like AT&T is in your future. AT&T is easier to deal with anyway. Do not use a corporate store though, use over the phone or online AT&T.
It may be possible to change out the C port PCB for the Verizon variant. Yes that PCB controls internet access. I can't confirm this is the only difference though! That PCB is only $20 and relatively easy to change out.
Click to expand...
Click to collapse
It's gets service with att, but it still has the tmobile boot logo. I flashed the att rom, but it didn't help. The carrier is supposed to automatically switch when you insert a different sim card right?
I also tried *#272*imei# but it says "unable to process the request"

CPR.OP546 said:
It's gets service with att, but it still has the tmobile boot logo. I flashed the att rom, but it didn't help. The carrier is supposed to automatically switch when you insert a different sim card right?
I also tried *#272*imei# but it says "unable to process the request"
Click to expand...
Click to collapse
Is it on Verizon or AT&T???
My 60 second attention span is kicking in... now.
As for switching sims I never had to.
The boot logo is the least of worries.
Be glad you didn't brick it.

blackhawk said:
Be glad you didn't brick it.
Click to expand...
Click to collapse
It's actually super difficult to hard brick a Qualcomm device, and even if it is hard bricked and only enters EDL mode, it can be fixed as long as you have the correct files.
There are too many safeguards in place between Qualcomm and Samsung - the average user will always be blocked from doing anything that would brick a device. There's really no danger in flashing firmware whatsoever

blackhawk said:
Is it on Verizon or AT&T???
My 60 second attention span is kicking in... now.
As for switching sims I never had to.
The boot logo is the least of worries.
Be glad you didn't brick it.
Click to expand...
Click to collapse
I'm trying to use it with att because it won't get service with verizon at all.
It's very annoying having the tmobile bloatware. Also it should be compatible with att's 5g, but it only gets lte.

CPR.OP546 said:
I'm trying to use it with att because it won't get service with verizon at all.
It's very annoying having the tmobile bloatware. Also it should be compatible with att's 5g, but it only gets lte.
Click to expand...
Click to collapse
So then I'm assuming that it did not automatically change over to the AT&T splash screen and bloatware when you inserted an AT&T SIM?

iBowToAndroid said:
So then I'm assuming that it did not automatically change over to the AT&T splash screen and bloatware when you inserted an AT&T SIM?
Click to expand...
Click to collapse
Right. It does not have a multi-csc mode for some reason. I thought all samsung phones had that by default.

CPR.OP546 said:
Right. It does not have a multi-csc mode for some reason. I thought all samsung phones had that by default.
Click to expand...
Click to collapse
Not all, no. But all U models should have it.
Have you tried doing a full Odin firmware flash including an AT&T USERDATA file?

iBowToAndroid said:
Not all, no. But all U models should have it.
Have you tried doing a full Odin firmware flash including an AT&T USERDATA file?
Click to expand...
Click to collapse
Yes. That is what I meant by flashing the att rom. It does not seem to make a difference.

CPR.OP546 said:
Yes. That is what I meant by flashing the att rom. It does not seem to make a difference.
Click to expand...
Click to collapse
I may have a way to do it. No guarantees though

iBowToAndroid said:
I may have a way to do it. No guarantees though
Click to expand...
Click to collapse
I'm guessing the only option left is to root the phone, and then start manually removing things.

CPR.OP546 said:
I'm guessing the only option left is to root the phone, and then start manually removing things.
Click to expand...
Click to collapse
My method doesn't involve root, no. You can't root if you've taken an OTA update in March of this year or later

I hope I can be of some help.
I recently ordered a Note 10+ 5G - Locked Verizon from a popular online re-seller. When I turned it on, I was greeted with an AT&T boot logo. I was pretty upset, but I though I'd try to get it up and running on Verizon before spending a couple weeks sending it back and getting a replacement. I tried Verizon's online software and I couldn't get beyond the IMEI change. It kept telling me that the Note's IMEI was what I was already using with my Droid, which was obviously not the case. So, I headed into my local Verizon store.
Nothing they did would get my 4G SIM to work, so they swapped out for a 5G SIM for free, then switched my hardware IMEI numbers and proceeded to have a some difficulty getting on the network. After doing a network reset, it seemingly worked. More on that below. I was getting both data and voice over network. I was able to transfer my setting, apps, etc from my Motorola Droid with Samsung Switch. The phone indicates both 3G and 4G signals as I travel around town. 5G is not available in my immediate area, though it is in some cities I occasionally travel to, but I'm unable to test that just yet. I become aware that there are differences between Verizon's 5G and other networks and it seems the non-Verizon phone I have is probably for the best in terms of compatibility.
Unfortunately, texts frequently take 10-30 seconds to send. Images, gifs and other non-text MMS can take multiple minutes to send and sometimes just fail. Other times the recipient will receive them twice. I feel like this may be due to the poor coverage at my residence. Further testing in areas of good to excellent coverage are necessary. I tried changing the network settings from Settings > Connections > Mobile Networks > Network Mode, but anything other than the default "GLOBAL" would result in a disconnect of data and voice services. The only way to fix it was Settings > General Management > Reset > Reset Network Settings. This would restore the Mode to GLOBAL and bring back data and voice services.
In an effort to remove the AT&T branding, I learned how to trigger a carrier switch, dialed the code and changed it from AT&T to XAA. That got rid of the AT&T boot animation and I was able to remove all but 2 stubborn AT&T apps. I noticed that my android version was 10 and UI was 2.5, so I set out to update.
This is where things got frustrating. Every attempt to update through the settings > software update was met with failure. Try again in 24 hours, it would say. I assumed this was because I was now using a Verizon sim on an AT&T firmware, but I wasn't sure. I thought I might be able to flash to a Verizon firmware, but after several versions and some more research, I learned that going from 976U to 976V was not possible.
So, over the course of several days, I learned a lot. I looked up the firmware releases on AT&T's website for the 976U and saw that they matched the T-Mobile and MetroPCS versions. So, I settled on a T-Mobile version of Android 11 / UI 3.1. It updated without any issues and even remained in XAA mode. No bloatware, no loading images, all settings and apps the same.
So, even though I have an unlocked AT&T Note 10+ 5G 256GB and you have a T-Mobile, the fact that we both have a 976U model, I think there is hope for you to get up and running on Verizon.
Hope this has helped.