LTE not functioning on AT&T - OnePlus 7 Pro Questions & Answers

I've changed access point to the right settings and I still only get HSPA connection. I've searched other things online but nothing. Spoke to 3 reps. It says that LTE bands are supported so how do I get the best settings to get things running right? I've conveyed to international and the phone is totally unlocked. Sim and bootloader both. Am I missing something?
Thanks.

I'm currently visiting my wife in the USA and LTE is working fine for me on my 7 Pro 5G. Google the APN settings.
Sent from my [device_name] using XDA-Developers Legacy app

speedyjay said:
I'm currently visiting my wife in the USA and LTE is working fine for me on my 7 Pro 5G. Google the APN settings.
Click to expand...
Click to collapse
I did. I think maybe since it's not 5G version perhaps. At any rate I've gotten a fix the rep did.... Activated on another device like galaxy s10 then put back into my phone. I have LTE now since we've tricked the system

Also They are telling me they need to enter the imei range for all oneplus 7 pro phones which takes about 2 weeks. So hopefully the system won't figure out I'm using something other then S10 ?

photolarry said:
Also They are telling me they need to enter the imei range for all oneplus 7 pro phones which takes about 2 weeks. So hopefully the system won't figure out I'm using something other then S10 [emoji57]
Click to expand...
Click to collapse
That's rubbish....I'm on Vodafone in the UK and as mentioned, I'm currently visiting my wife in Illinois and I have full LTE service on AT&T.
Sent from my [device_name] using XDA-Developers Legacy app

speedyjay said:
That's rubbish....I'm on Vodafone in the UK and as mentioned, I'm currently visiting my wife in Illinois and I have full LTE service on AT&T.
Click to expand...
Click to collapse
Rubbish perhaps but that's what they've told me and until the rep did the trick to my sim, only got 3G. Maybe this temporary thing will be perm since he said for his Android the system thinks it's iPhone 7

I'm on AT&T with my OnePlus 7 pro and out of the box with my sim it works like a charm.
Currently "VOLTE" is displayed on top of the phone and I'm getting good data speeds (will post shortly)
I'd say something wrong on your sim or account end.

Mikhail_Agad said:
I'm on AT&T with my OnePlus 7 pro and out of the box with my sim it works like a charm.
Currently "VOLTE" is displayed on top of the phone and I'm getting good data speeds (will post shortly)
Click to expand...
Click to collapse
Same here. I got my 7 Pro (US unlocked version - not 5G) on June 10. Simply put my AT&T SIM in, and it works perfectly on LTE. Did not need to enter APN info, or anything.
---------- Post added at 10:13 AM ---------- Previous post was at 09:41 AM ----------
photolarry said:
At any rate I've gotten a fix the rep did.... Activated on another device like galaxy s10 then put back into my phone. I have LTE now since we've tricked the system
Click to expand...
Click to collapse
That is pretty good of the rep to work out some solution. They could have just said "We don't support your device."

Over the years, I have used several international phones on AT&T. The issue is if you establish a new line on a new sim card, lte must be "provisioned" (their term not mine).
To provision the new sim card for lte, we need to put it into an AT&T branded phone first to activate the lte, or call customer service and give them an imei from an AT&T branded phone. Once the sim card is provisioned for lte it can be moved from phone to phone no problem.
For that reason, I still keep my AT&T Galaxy Note 2 around. Anytime I get a new AT&T sim card, I put it into the Note 2, wait until I see it has lte service then it's good to use in any international phone.

Related

Samsung s4 Google Edition on ATT

Don't see a forum for Samsung s4 google edition so I am posting here.
Anyone else having an issue when trying to activate this phone on ATT? They act like they never heard of it, give all these lame "well we cannot gaurantee it will work since it's unlocked" and then telling me their system will not allow them to put a LTE plan on it..
wtf?
puma1 said:
Don't see a forum for Samsung s4 google edition so I am posting here.
Anyone else having an issue when trying to activate this phone on ATT? They act like they never heard of it, give all these lame "well we cannot gaurantee it will work since it's unlocked" and then telling me their system will not allow them to put a LTE plan on it..
wtf?
Click to expand...
Click to collapse
Noticed a couple threads similar over the various s4 sections.
I'm in Canada but know that my device is not required by my provider it enable data. I change devices about every 8 months and can just swap out the SIM and I'm good to go.
If AT&T has issues with the Google edition s4 couldn't you just say that it's a normal s4 bought of eBay or Craig's list to have an lte data plan enabled?
Sent from my Nexus 10 using xda premium
mymusicathome said:
Noticed a couple threads similar over the various s4 sections.
I'm in Canada but know that my device is not required by my provider it enable data. I change devices about every 8 months and can just swap out the SIM and I'm good to go.
If AT&T has issues with the Google edition s4 couldn't you just say that it's a normal s4 bought of eBay or Craig's list to have an lte data plan enabled?
Sent from my Nexus 10 using xda premium
Click to expand...
Click to collapse
No because in the IMEI comes up as unlocked device in their system and they pretty much are trying to get you off the phone at that point. Tried 3 diffrent reps and asked to be connected to next tier tech support.
Another update.. I gave them an IMEI from a note 2 i have.. LTE plan went on fine.. but the phone doesn't get anything more than hspa+.. 4mb down. THis is BS.. if they cannot connect the phone or I have to jump through hoops like I had to with the NExus 4 (which i had to call in like every month to have something reset) I am going to just send it back Not worth the headache.
puma1 said:
No because in the IMEI comes up as unlocked device in their system and they pretty much are trying to get you off the phone at that point. Tried 3 diffrent reps and asked to be connected to next tier tech support.
Another update.. I gave them an IMEI from a note 2 i have.. LTE plan went on fine.. but the phone doesn't get anything more than hspa+.. 4mb down. THis is BS.. if they cannot connect the phone or I have to jump through hoops like I had to with the NExus 4 (which i had to call in like every month to have something reset) I am going to just send it back Not worth the headache.
Click to expand...
Click to collapse
Might want to give it a little bit. Or go for a walk/drive. Sometimes it can take time to lock on to the correct tower
Sent from my Nexus 10 using xda premium
mymusicathome said:
Might want to give it a little bit. Or go for a walk/drive. Sometimes it can take time to lock on to the correct tower
Sent from my Nexus 10 using xda premium
Click to expand...
Click to collapse
Doubt it.. got escalated up to manager,.. basically you will not get lte on these devices. Only on att branded phones. That is the message I am being told directly. This is total BS I f'n hate ATT. Whoever is buying this for ATT beware.. your going to have a bad time. I am sending this right back as it's just as crippled as the nexus 4 with this carrier.
I bought a I9505 and had same issue (no LTE).
I have 3 lines with AT&T and I could watch the AT&T website update as I used different SIMs in the I S4, the Vivid and a Nexus 7 (3G).
I was lucky that I bought the i S4 from Amazon so no problem with refund.
I suspect if you had a never used SIM and a S4 IMEI you could get LTE.
One line was ready for an upgrade.
I got the AT&T S4 and used an 'old' SIM and connected to LTE with no problem.
As soon as I bought the AT&T S4 an email was sent and it provided a process for on line registration of the S4.
I've never seen that before and didn't do it.
I got my GE on AT&T today. My notification bar says LTE. I ran some speed tests and got about 10 mbps down but I am at work in a poor reception area. When I get home I'll try it but I better get at least 40 mpbs down or this is being returned
sheriffa said:
I got my GE on AT&T today. My notification bar says LTE. I ran some speed tests and got about 10 mbps down but I am at work in a poor reception area. When I get home I'll try it but I better get at least 40 mpbs down or this is being returned
Click to expand...
Click to collapse
Sheriffa, how did you activate it when yuo got it?
I ended up giving them an imei from a note 2 and they said they were able to put an LTE plan on.. yet the signal bar shows H.
puma1 said:
Sheriffa, how did you activate it when yuo got it?
I ended up giving them an imei from a note 2 and they said they were able to put an LTE plan on.. yet the signal bar shows H.
Click to expand...
Click to collapse
I didn't have to activate it. I simply plugged in my sim card and it worked.
I am coming from an AT&T S3
sheriffa said:
I didn't have to activate it. I simply plugged in my sim card and it worked.
I am coming from an AT&T S3
Click to expand...
Click to collapse
I am going to just return this I think if I try elsewhere later and stil get slow speeds. Just was shocked multiple people saying they do not support it. I even contacted google and let them know. Doubt they care.
Just get a imei number from a att phone and give it to them, it'll work. I had to do this with my galaxy nexus to get full hspa+
Sent from my GT-I9505 using Tapatalk 4 Beta
What should we be getting for DL/UL speeds?
Why would you call to activate it? Just pop in your Sim card and your good to go. I never had an issue doing this and I get lots of different phones unlocked and from different countries some times.
But I agree why is there no forums for this phone? Does motochopper root method work on this phone and I assume we can use T-Mobile version recoveries and Roms fine on this phone? Does anybody know? Sorry to get off topic.
Sent from my GT-I9505 using xda premium
If you already have a LTE SIM on ATT from another phone just pop it into the GE and it will work just fine. If you do not you will have to go through the process the OP is taking about as the IMEI is not loaded as a LTE device and they will need to put one in for you to activate the LTE.
Saves a lot of time and headaches to already have an LTE SIM for ATT.
planoman said:
If you already have a LTE SIM on ATT from another phone just pop it into the GE and it will work just fine. If you do not you will have to go through the process the OP is taking about as the IMEI is not loaded as a LTE device and they will need to put one in for you to activate the LTE.
Saves a lot of time and headaches to already have an LTE SIM for ATT.
Click to expand...
Click to collapse
How can someone tell if the have an lte sim?
planoman said:
If you already have a LTE SIM on ATT from another phone just pop it into the GE and it will work just fine. If you do not you will have to go through the process the OP is taking about as the IMEI is not loaded as a LTE device and they will need to put one in for you to activate the LTE.
Saves a lot of time and headaches to already have an LTE SIM for ATT.
Click to expand...
Click to collapse
Just FYI if you do this and have tethering/hotspot in your plan then you will need to call AT&T so they can add the new IMEI. THey will also delete the old one on file, so if you're into swapping SIMs (I like to go between the iPhone 5 and S4, although in the past few weeks it's been all S4), then you won't be able to turn on hotspot/tethering without arranging a workaround or calling AT&T every time.
puma1 said:
I am going to just return this I think if I try elsewhere later and stil get slow speeds. Just was shocked multiple people saying they do not support it. I even contacted google and let them know. Doubt they care.
Click to expand...
Click to collapse
check to see if you have the right APNs.
I saw over in the HTC ONE forum that the GE came with a weird APN.
PTA or ATT PHONE
Take it to ATT store. They are pretty good compared to technical support over the phone.
Sent from my SAMSUNG-SGH-I337 using Tapatalk 2
sheriffa said:
How can someone tell if the have an lte sim?
Click to expand...
Click to collapse
I guess is more accurate to say was previously on ATT LTE with a phone. Every should know if they have been on ATT LTE already. If not you have to spend some time on the phone with ATT.
just do it and swap the sim card in. i have never had a problem with service or data when getting a new device and putting the AT&T sim in it. went from S3 to S4 that way, also S3 to Sony Xperia Z, Xperia Z to S4, S4 to S3, etc.

Note 5 on Cricket?

I apologize if this is in the wrong forum. I'm trying to help a friend out by doing a little research.
A friend's daughter has a Note 5 on Verizon. (Long story short, friend's ex husband is supposed to pay for daughter's cell phone as part of divorce agreement. He did for a few months and then skipped town. Phone was cut off.) My friend has a phone on Cricket, and was wondering if she could use the Note 5 on Cricket. The local rep tells her that she cannot, that the phones are incompatible with Cricket's network, but I'm wondering if it is just their way of trying to get her to buy a new phone.
It's not a big deal if the Internet part of the phone works (her daughter mostly uses wifi anyway), but the phone part needs to work.
I'm using a Verizon note 5 on cricket. You get 4g lte but I'm having issues with mms. Sometimes mms will work and other times it won't
Did you just put the Cricket SIM in and go, or was there anything else involved?
I put in the cricket sim card and enter the apn.
Cool. My friend is going to go to Cricket and get the SIM kit and I'll hafta punch in the APN data for her later...
Here's the video
https://youtu.be/0FRsFkmdYKE
issues with LTE
Can someone help I'm only getting H+ no LTE
NO LTE icon on the screen
No LTE icon on my Galaxy Note 5 screen using Cricket network. The phone is brand new and factory unlocked but no way to get the LTE power from Cricket.
msandoli said:
No LTE icon on my Galaxy Note 5 screen using Cricket network. The phone is brand new and factory unlocked but no way to get the LTE power from Cricket.
Click to expand...
Click to collapse
I had the same issue. I do get 4G LtE in some areas but not all the time
Also, if you see the carrier it says ATT not Cricket...
UPDATE: My understanding is that ATT/Cricket works in a different LTE band than Verizon. So that might be the issue. Not sure if you can change that in a non-rooted phone.
Have anyone found a fix for the mms other than the Playstore text app fixes
Sent from my SM-N920V using Tapatalk
mrwright83 said:
Have anyone found a fix for the mms other than the Playstore text app fixes
Sent from my SM-N920V using Tapatalk
Click to expand...
Click to collapse
Yes call cricket (dial 611) and they will set up the APN for you. I have the Sprint note 5 on cricket and all mms works. Thanks
Do you have to unlock the Sprint Note 5 or just put the sim card in
Anyone successfully get LTE working on cricket? My roommates S5 gets LTE, but I'm only getting H+ this sucks!
Sent from my SM-N920V using XDA-Developers mobile app
zounduser said:
Anyone successfully get LTE working on cricket? My roommates S5 gets LTE, but I'm only getting H+ this sucks!
Sent from my SM-N920V using XDA-Developers mobile app
Click to expand...
Click to collapse
More than likely it's probably because Verizon's network is CDMA and Crickets network is GSM and they are incompatible with each other. You can check and see if you can switch the bands but I don't know if it's possible to do that on the Verizon phones since they're locked down so tight..
MrMike2182 said:
More than likely it's probably because Verizon's network is CDMA and Crickets network is GSM and they are incompatible with each other. You can check and see if you can switch the bands but I don't know if it's possible to do that on the Verizon phones since they're locked down so tight..
Click to expand...
Click to collapse
I actually got it working! This is for anyone that sees this. I entered cricket apn, then I was selecting global, and gsm. I figured those were the 2 that I needed, so I went back and forth between the 2, getting more frustrated! I finally decided screw it, and selected CDMA/LTE and low and behold!!!! The 4GLTE signal popped right up! So it is working, mms too. I'm stoked.
Edit, after further testing, calls will not work while in CDMA mode. Sucks, but I think it was too good to be true. So here's what I came up with.....toggle CDMA/LTE mode, wait for 4GLTE to pop up, once it comes on, toggle back to global mode. 4GLTE will stay enabled, until a call comes in. After your call, H+ will pop in, just toggle the CDMA/LTE, and back to global. This is the only way I've found to have constant LTE.
It seems that to enable the LTE bands, they must be enabled by toggling the CDMA on. Weird but it is what it is, especially with not having root.
Sent from my SM-N920V using XDA-Developers mobile app
You have a sprint note5 on cricket? I've been trying to switch mine now and I'm having so many issues with sprint saying my phone is unlocked but when I try to add it to cricket with their card it says that there is no connection so they tell me my phone is not unlocked, can you help me??

SM-N920R US Cellular (International) work on Verizon

I am trying to buy the international SM-N920R version of a Note 5 so I can root it.
Will it work on Verizon? I found out that it will work on all of Verizon's bands from this site willmyphonework.net but just want to double tap to ensure I am not wasting my money because just because it should work on Verizon's network I need to know if it is Verizon approved. I don't have the Meid or the ESN to check this so does anyone know for sure? I should be able to pop my Sim from my Turbo and it should work on the international version right?
RoachHero said:
I am trying to buy the international SM-N920R version of a Note 5 so I can root it.
Will it work on Verizon? I found out that it will work on all of Verizon's bands from this site willmyphonework.net but just want to double tap to ensure I am not wasting my money because just because it should work on Verizon's network I need to know if it is Verizon approved. I don't have the Meid or the ESN to check this so does anyone know for sure? I should be able to pop my Sim from my Turbo and it should work on the international version right?
Click to expand...
Click to collapse
I highly doubt it, but I'd love to know the answer too. I'd switch phones in a heartbeat.
Sent from my SM-N920V using Tapatalk
Why do you doubt it would work? Just curious. The phone operates on all the same bands Verizon does. I could just ask Verizon permission to operate on their network, I'd rathered not. I don't see why it wouldn't work after I throw my SIM in it, but if it doesn't I can ask permission. The only carrier that Verizon says outright no to is Sprint.
I kinda doubt it'll work, but I'm very interested as well, if it works, I'd switch right away.
RoachHero said:
I am trying to buy the international SM-N920R version of a Note 5 so I can root it.
Will it work on Verizon? I found out that it will work on all of Verizon's bands from this site willmyphonework.net but just want to double tap to ensure I am not wasting my money because just because it should work on Verizon's network I need to know if it is Verizon approved. I don't have the Meid or the ESN to check this so does anyone know for sure? I should be able to pop my Sim from my Turbo and it should work on the international version right?
Click to expand...
Click to collapse
It doesn't have band 13 which I think is Verizon's main LTE band
I wonder if the OP has tried it and gotten it to work.
Sent from my SM-N920V using Tapatalk
RoachHero said:
I am trying to buy the international SM-N920R version of a Note 5 so I can root it.
Will it work on Verizon? I found out that it will work on all of Verizon's bands from this site willmyphonework.net but just want to double tap to ensure I am not wasting my money because just because it should work on Verizon's network I need to know if it is Verizon approved. I don't have the Meid or the ESN to check this so does anyone know for sure? I should be able to pop my Sim from my Turbo and it should work on the international version right?
Click to expand...
Click to collapse
If its an unlocked international version and it for sure is CDMA compatible it will work on Verizon's network, and I doubt there will be any hassle connecting it other than the usual service fees. However, I highly doubt that taking your SIM card from your Turbo will actually work, as SIM cards on Verizon's CDMA network are not like the SIM cards of GSM networks where you can take and switch from phone to phone and they work. I have tried this with my phones , a Note 5 and a Note 2 and also a Google Nexus and had anywhere from limited service to no service, I think because Verizon has their SIM cards tied to the actual IMEI of the phone, at least that's my thought. But hey If it works be sure to let us know as I know I would do the same to get root.
it does work. you need to have a verizon sim card that is already active. you have to activate the sim in a verizon phone before starting. you can use any us cellular device that is unlocked on verizon. the s6 edge, edge plus , note 5 all ship unlocked. theyre gsm capable also. the only issue with gsm is that you cant edit the apn. which is what brought me here. looking for a custom rom that would allow me to do so. you get 3g only using a uscc device on verizon and no mms.
---------- Post added at 11:47 AM ---------- Previous post was at 11:40 AM ----------
LvnInOC said:
If its an unlocked international version and it for sure is CDMA compatible it will work on Verizon's network, and I doubt there will be any hassle connecting it other than the usual service fees. However, I highly doubt that taking your SIM card from your Turbo will actually work, as SIM cards on Verizon's CDMA network are not like the SIM cards of GSM networks where you can take and switch from phone to phone and they work. I have tried this with my phones , a Note 5 and a Note 2 and also a Google Nexus and had anywhere from limited service to no service, I think because Verizon has their SIM cards tied to the actual IMEI of the phone, at least that's my thought. But hey If it works be sure to let us know as I know I would do the same to get root.
Click to expand...
Click to collapse
verizon sim cards are just like gsm cards. all you have to do is put the card in your new device to switch the service. obvisouly the device would have to have a cdma radio to connect to anything other than lte service but you dont need to provide verizon with meid of your phone when switching.
bradsinram said:
it does work. you need to have a verizon sim card that is already active. you have to activate the sim in a verizon phone before starting. you can use any us cellular device that is unlocked on verizon. the s6 edge, edge plus , note 5 all ship unlocked. theyre gsm capable also. the only issue with gsm is that you cant edit the apn. which is what brought me here. looking for a custom rom that would allow me to do so. you get 3g only using a uscc device on verizon and no mms.
---------- Post added at 11:47 AM ---------- Previous post was at 11:40 AM ----------
verizon sim cards are just like gsm cards. all you have to do is put the card in your new device to switch the service. obvisouly the device would have to have a cdma radio to connect to anything other than lte service but you dont need to provide verizon with meid of your phone when switching.
Click to expand...
Click to collapse
I don't know if my experience applies here, but I did once switch a user's iPad Air 2 to verizon by just switching the SIM card to a Verizon card. This was done in conjuction with Verizon's corporate customer service who even sent me the SIM card I needed free of charge (probably because it was part of our corporate contract - assume they would probaly not do that for an individual).
I am currently on a Us Cellular r4 variant, and Using a Note 7 ported rom I messed with to work on it.
I often see the carrier on my notification tab say "Verizon"
I know that our phones are locked open, which means in the advanced system menu, ALL channels are locked open, and at least on my phone, I am able to recieve and process signal from most carriers. Our service is LTE/CDMA
I havent tried using a verizon sim to see if it works, but the r4 variant is supposedly "International"... The rom I ported was done by a Vietnamese guy...IDK. All i know is that it works after twrp restoring modem and efs

Unlock note 8 does not support LTE on AT&T

Hello,
Can you guys who have the unlock note 8 and on AT&T network confirm that it does not support LTE?
I saw a review on Best Buy stating that he could not get it to work after numerous call to tech, and AT&T suggested they buy the AT&T version and unlock it.
I just bought the unlock version from Samsung and planning on using it on AT&T, I tether a lot in my car and if LTE is not available I will probably return it.
I am not going to paid almost $1000 for a phone that does not support 4G LTE
checksum123 said:
Hello,
Can you guys who have the unlock note 8 and on AT&T network confirm that it does not support LTE?
I saw a review on Best Buy stating that he could not get it to work after numerous call to tech, and AT&T suggested they buy the AT&T version and unlock it.
I just bought the unlock version from Samsung and planning on using it on AT&T, I tether a lot in my car and if LTE is not available I will probably return it.
I am not going to paid almost $1000 for a phone that does not support 4G LTE
Click to expand...
Click to collapse
Yes it is supported so is tether. Wifi calling is not
chrisusa96 said:
Yes it is supported so is tether. Wifi calling is not
Click to expand...
Click to collapse
Exactly. Weird how it's not working. I had an unlocked version of the S8+ on AT&T which worked on the LTE+ network.
Composed on the Galaxy Note8
I have the factory unlocked version and I have LTE. Make sure when you activate your note they use and new sim.
Sent from my SM-N950U1 using XDA-Developers Legacy app
I placed my att SIM card I my note 8 and it set it self up. I have LTE and LTE +. Whatever you read the person didn't know what they was talking about
Sent from my SM-N950U1 using Tapatalk
It's good, I'll confirm lol
Sent from my SM-N950U1 using Tapatalk
you could also flash the att firmware on it
checksum123 said:
Hello,
Can you guys who have the unlock note 8 and on AT&T network confirm that it does not support LTE?
I saw a review on Best Buy stating that he could not get it to work after numerous call to tech, and AT&T suggested they buy the AT&T version and unlock it.
I just bought the unlock version from Samsung and planning on using it on AT&T, I tether a lot in my car and if LTE is not available I will probably return it.
I am not going to paid almost $1000 for a phone that does not support 4G LTE
Click to expand...
Click to collapse
Well, I am in the same boat as you. I bought unlocked directly from Samsung and put my AT&T sim from my AT&T branded S7 edge in thinking that it will just work. First I didn't even have data so I changed the APN and got data but only H+ speed at best. I did chat online at AT&T and the first time the tech said that I needed a new sim and I can get a free one at a local AT&T store. I reverted the phone back to stock without data connection and went to my local AT&T store. I told the guy there what the tech said and he took my phone and just mucked around with it and got data connection but only H+. He said it is probably the best this phone can do. I am like ??? But I didn't argue with him and left. I again went on chat at AT&T website and the tech did something on her end and eventually open a case for me. I waited 2 days and finally got an email saying that it is the area that I am in and that would be the best signal I will get. Again what the ????. I had LTE all along in the past at the same place, home. So after 2 more days, I again did chat with AT&T and this tech basically said I needed a new sim and he will send one to me for free. So now I am waiting for the new sim and hopefully with the new sim, I can register the sim with my IMEI and get LTE back. You should probably save all this trouble and ask for a new sim to start with. Good luck.
i got the unlocked verizon variant and switched to att and i kept getting h+ i then flashed XAA rom same thing if you want to get all the features and the actualy 4g + like i have now you need to flash the rom wont void warranty and legit i can send you directions how if you want took me a day and a half of searching and trials
---------- Post added at 11:41 PM ---------- Previous post was at 11:40 PM ----------
https://www.sammobile.com/firmwares/SM-N950U/CCT/download/N950USQU1AQH7/186891/
thats the rom for att need odin as well
---------- Post added at 11:44 PM ---------- Previous post was at 11:41 PM ----------
https://imgur.com/a/FAqGw
Xenshen said:
i got the unlocked verizon variant and switched to att and i kept getting h+ i then flashed XAA rom same thing if you want to get all the features and the actualy 4g + like i have now you need to flash the rom wont void warranty and legit i can send you directions how if you want took me a day and a half of searching and trials
Thanks Xenshen, I think that will be my last resort. You said unlocked verizon variant, what is that? There is unlocked and there is branded unlocked directly from Samsung. My is not even branded. I guess either way works with flashing. Would love to get the direction if you don't mind. I will save it for the last resort after I try a new sim.
Click to expand...
Click to collapse
all Verizon phones are unlocked without the bootloader being able to be unlocked but if your flashing carrier firmware you can go from any carrier without voiding warranties and messing your phone up. The unlocked one from samsung just comes without the bloatware and from what ive read its still bootloader locked as well because of the snapdragon chipset in it. But if you put the att rom on it you wont have a issue and will get all the features including the lte enhanced services and all
---------- Post added at 11:49 PM ---------- Previous post was at 11:47 PM ----------
ive flashed 3 different roms on it now so seems to be just like the s8 where all US models are the same minus the carrier oh and i removed most the bloat and just disbaled the apps i wont use
Well all I had to do is put in the sim from my V20, add the NXTGENPHONE APN and it was game on immediately.
Sent from my SM-N950U1 using Tapatalk
Digibeginner said:
Xenshen said:
i got the unlocked verizon variant and switched to att and i kept getting h+ i then flashed XAA rom same thing if you want to get all the features and the actualy 4g + like i have now you need to flash the rom wont void warranty and legit i can send you directions how if you want took me a day and a half of searching and trials
Thanks Xenshen, I think that will be my last resort. You said unlocked verizon variant, what is that? There is unlocked and there is branded unlocked directly from Samsung. My is not even branded. I guess either way works with flashing. Would love to get the direction if you don't mind. I will save it for the last resort after I try a new sim.
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Click to collapse
The new sim will fix your problem. The old sim was connected to other phone imei.
Sent from my SM-N950U1 using XDA-Developers Legacy app
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Click to collapse
Where did you get NXTGENPHONE APN?
It looks like you are on a U.S. unlocked?
i flashed the att software and it automatically put it on there. do you want me to supply you with the apn?
ATT Nextgenphone
APN- nxtgenphone
proxy- not set
port- not set
username- not set
pass- not set
server - not set
mmsc- http://mmsc.mobile.att.net
multimedia message proxy- proxy.mobile.att.net
multimedia messgae port- 80
mcc- 310
mnc- 410
authentication type - none
apn type- default,supl,hipri,mms,fota
apn protocol -ipv4,ipv6
apn roaming- ipv4,ipv6
I had the same issue
I received my phone last week and I was also having LTE problem. At first it was no service, then after some apn configs I was getting H, and H+ speeds. I had talked to multiple ATT reps and most said I would have to wait until they released the phone for it to be seem in there system. Since it was realeased on the 15th and the update came today, I thought it would fix it. It did not so I called ATT again. after about forty mins on the phone and many restarts later we finally got it to work. I now have LTE and LTE+ for ATT on my unlocked SM-n950u1 .
tron4 said:
I received my phone last week and I was also having LTE problem. At first it was no service, then after some apn configs I was getting H, and H+ speeds. I had talked to multiple ATT reps and most said I would have to wait until they released the phone for it to be seem in there system. Since it was realeased on the 15th and the update came today, I thought it would fix it. It did not so I called ATT again. after about forty mins on the phone and many restarts later we finally got it to work. I now have LTE and LTE+ for ATT on my unlocked SM-n950u1 .
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Click to collapse
What did they do to fix it?
borijess said:
What did they do to fix it?
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I think he said something along the lines of, " It's permissions were defaulting to 3g," or something similar. He may have also removed my device and re added it. He also mentioned that he was getting permission from a supervisor to make an official report since it seems to not be an isolated incident.
Attached is the post on best buy I was referring to, that's why I was scared since I have already ordered it.
But glad to hear it works and should work just like the locked version for LTE.
Getting the unlocked today, will goto local AT&T store and get a new sim card first thing. I will let you know how it goes.
Sent from my S7 Edge using XDA Labs

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
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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.
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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
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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?
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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
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...
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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.
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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.
Click to expand...
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

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