Enable WIFI Calling? - HTC U12+ Questions & Answers

I can't seem to find the wifi calling feature in my settings, has anyone had any luck with this yet? I activated my Verizon variant yesterday on Verizon, according to the tech helping me with activation it should work on the phone and showed enabled on the account after activation but I cannot find the setting for VoLTE or WIFI calling.

Unfortunately, I don't think it's going to work. You should check the older U11 forums to see if anyone was able to get those features working on Verizon. I've chatted with HTC, and they flat out told me those features would not work on AT&T no matter what. Some carriers just don't allow every feature to be available on unlocked phones.

holz75 said:
Unfortunately, I don't think it's going to work. You should check the older U11 forums to see if anyone was able to get those features working on Verizon. I've chatted with HTC, and they flat out told me those features would not work on AT&T no matter what. Some carriers just don't allow every feature to be available on unlocked phones.
Click to expand...
Click to collapse
Im on T-Mobile so I know not a direct comparison, but I couldn't find my VOLTE or WIFI calling features right away. They are under settings / call / very bottom. To holz75's point, it may not be workable with Verizon.

evilevn said:
I can't seem to find the wifi calling feature in my settings, has anyone had any luck with this yet? I activated my Verizon variant yesterday on Verizon, according to the tech helping me with activation it should work on the phone and showed enabled on the account after activation but I cannot find the setting for VoLTE or WIFI calling.
Click to expand...
Click to collapse
hi mate I been able to make wifi and volte working on my htc u12+ maybe this help you
check my thread https://forum.xda-developers.com/u12-plus/how-to/wi-fi-calling-volte-t3867267

Related

How To Get VoLTE on AT&T?

From what I've seen - AT&T only offers VoLTE/Wifi calling on AT&T authorized devices, so an unlocked Pixel is out of luck. I'm curious if there are any options or hacks on a rooted Pixel or anything else that can get around this AT&T limitation?? Thanks!
LotharioRowe said:
From what I've seen - AT&T only offers VoLTE/Wifi calling on AT&T authorized devices, so an unlocked Pixel is out of luck. I'm curious if there are any options or hacks on a rooted Pixel or anything else that can get around this AT&T limitation?? Thanks!
Click to expand...
Click to collapse
I have been hoping for something like this ever since I started using TMOBILE PHONES and then International Devices on the Att Nework. The option to be able to have root has surpassed my desire to have VOLTE speeds and Video Calling up to this point - but I would sure as hell love to get VOLTE Working.
Hopefully someone will make that happen. Way beyond my capabilities - but fingers crossed just the same.
LotharioRowe said:
From what I've seen - AT&T only offers VoLTE/Wifi calling on AT&T authorized devices, so an unlocked Pixel is out of luck. I'm curious if there are any options or hacks on a rooted Pixel or anything else that can get around this AT&T limitation?? Thanks!
Click to expand...
Click to collapse
My friend has Nexus 6p on AT&T which doesn't do VoLTE and also in the menu there was no option for it. When I put my T-Mobile sim card into his phone, then we were able to get VoLTE and WiFi Calling without issues. Changing carrier could be easier than experimenting I guess.
It's amazing these carriers still found a way to f*ck up unlocked phones with proprietary Wi-Fi calling and VoLTE. Hopefully they will add it at some point.

WiFi Calling on Factory Unlocked S8+

A couple of weeks back, I purchased a factory unlocked S8+ Model #G955U1, Baseband Version G955U1EU1AQE3 (The AT&T Galaxy S8+ has different Model and Build #s), inserted my AT&T SIM card and have been using it since. Then I decided to activate WiFi calling, however, unlike my wife's iPhone 7, my Galaxy does not have the option to enable WiFi calling (this option should be under Settings>Connections). After some research, I found out that this a carrier feature which AT&T must provision. When I asked them to do it, they provisioned it on my wife's iPhone 7 but not on my Galaxy, so I called them again and asked them to provision it on the Galaxy. Although they insist that they did, the feature does not show up on under AT&T Devices (It shows up under the iPhone but not the Galaxy). After spending no less than two hours speaking to three agents, I learned that AT&T does not have in their data base the IMEI number of the Galaxy because it was not purchased through them. So obviously, not having an IMEI number, the WiFi calling feature is not going to be pushed to my Galaxy. Not being able to solve the problem, they escalated it to another level who is supposed to contact me two days from now. A friend purchased his Galaxy S8+ through AT&T and the WiFi calling option is there in Settings>Connection and he is able to toggle it on or off. When I used AT&T's IMEI Verification tool, the result was "Device is compatible but we cannot find matching SIM card".
Any and all input would be appreciated.
Same here. Looks like wifi calling is not a feature that is available on the unlocked version unfortunately. Same with using LTE while on calls and built in visual voicemail :/
You have some advantages going unlocked but you lose some things too.
Sent from my iPhone using Tapatalk
But you can always use Odin to flash the ATT firmware to the unlocked device. There's plenty of threads here regarding this very subject.
Mr. Orange 645 said:
But you can always use Odin to flash the ATT firmware to the unlocked device. There's plenty of threads here regarding this very subject.
Click to expand...
Click to collapse
True, just keep in mind that future att updates can't be done via OTA - which can be a pain too.
Sent from my iPhone using Tapatalk
With the unlocked s8+ i've found that wifi calling and volte only worked on T-Mobile, I tried it with T-Mo and verizon. It stinks that ATT cant be more like T-Mo with accepting non branded devices
Poison423 said:
With the unlocked s8+ i've found that wifi calling and volte only worked on T-Mobile, I tried it with T-Mo and verizon. It stinks that ATT cant be more like T-Mo with accepting non branded devices
Click to expand...
Click to collapse
Same here. No issues with wi-fi calling on T-Mobile network. I also have the same unlocked phone.
Edited. Read the thread
Gr8man001 said:
Same here. No issues with wi-fi calling on T-Mobile network. I also have the same unlocked phone.
Click to expand...
Click to collapse
I am pleasantly surprised and a bit puzzled because when I spoke to T-Mobile Tech yesterday, she could not confirm if WiFi calling will work on unlocked S8+. If I can be assured that it will work, I will switch to T-Mobile.
Please do me a great favor and check if your unlocked S8+ has the same Model and Build Numbers as mine. Here are my numbers:
Model #G955U1
SM-G955UZKAXAA
Baseband Version G955U1EU1AQE3
Thank you.
TheBoozer said:
I am pleasantly surprised and a bit puzzled because when I spoke to T-Mobile Tech yesterday, she could not confirm if WiFi calling will work on unlocked S8+. If I can be assured that it will work, I will switch to T-Mobile.
Please do me a great favor and check if your unlocked S8+ has the same Model and Build Numbers as mine. Here are my numbers:
Model #G955U1
SM-G955UZKAXAA
Baseband Version G955U1EU1AQE3
Thank you.
Click to expand...
Click to collapse
All the information you provided matched with my phone. As a matter of fact, I also tried my friends SIM who is on MVNO called Mint Mobile that runs on T-mobile network. Mint also allowed me to make wi-fi calling. I am surprised that t-mobile rep could not confirm this feature because this feature is on by default! If I don't want to make wifi calls, I have to turn it off. The only little annoying part is that you get constant notification," Calls will be made over WiFi". Even when you block this notification, it will reappear on the reboot
Gr8man001 said:
All the information you provided matched with my phone. As a matter of fact, I also tried my friends SIM who is on MVNO called Mint Mobile that runs on T-mobile network. Mint also allowed me to make wi-fi calling. I am surprised that t-mobile rep could not confirm this feature because this feature is on by default! If I don't want to make wifi calls, I have to turn it off. The only little annoying part is that you get constant notification," Calls will be made over WiFi". Even when you block this notification, it will reappear on the reboot
Click to expand...
Click to collapse
Thank you indeed for your response. When I got my S8+ and before inserting AT&T SIM, this feature was NOT listed under Settings>Connections. I was informed by a Samsung agent that the carriers will push this feature to the phone through their SIM after they provision the feature. So now since my SIM is AT&T and my phone is unlocked, and its IMEI number is not in AT&T's data base, I don't have the feature listed.
Unfortunately, I can't comment on at&t network. On t-mobile, I did not have to do anything except during the initial setup, I was asked if I was ok to make wifi phone calls when a wifi connection was available & the signal was strong. I still have the option not to use this feature. You may wantvto visit a t-mobile store or find a friend who is on t-mobile network. It might not be a bad idea to reset the phone (after backing up) when you get the new sim card. Good luck ?
Gr8man001 said:
Unfortunately, I can't comment on at&t network. On t-mobile, I did not have to do anything except during the initial setup, I was asked if I was ok to make wifi phone calls when a wifi connection was available & the signal was strong. I still have the option not to use this feature. You may wantvto visit a t-mobile store or find a friend who is on t-mobile network. It might not be a bad idea to reset the phone (after backing up) when you get the new sim card. Good luck ?
Click to expand...
Click to collapse
Very good advice, thank you again for all your help.
on my s8+ wifi calling option is found in the phone settings , simply open the phone app hit those 3 dots , choose settings and wifi calling is at the bottom of the options .
peekie said:
on my s8+ wifi calling option is found in the phone settings , simply open the phone app hit those 3 dots , choose settings and wifi calling is at the bottom of the options .
Click to expand...
Click to collapse
I switched yesterday from AT&T to T-Mobile and immediately the wifi calling showed up in Phone Settings as you mentioned. However before switching from AT&T to T-Mobile, wifi calling was not anywhere to be found.
TheBoozer said:
I switched yesterday from AT&T to T-Mobile and immediately the wifi calling showed up in Phone Settings as you mentioned. However before switching from AT&T to T-Mobile, wifi calling was not anywhere to be found.
Click to expand...
Click to collapse
That's because WiFi calling and VoLTE are not available on ATT using the US Unlocked device. You have to either buy an ATT carrier version, or flash the ATT firmware to your current device.
Try to reset to factory defaults with sim inside
I'm on Argentina and with unlocked software i got wifi calling when the device is set up with my sim inside
Mr. Orange 645 said:
That's because WiFi calling and VoLTE are not available on ATT using the US Unlocked device. You have to either buy an ATT carrier version, or flash the ATT firmware to your current device.
Click to expand...
Click to collapse
I found that after wasting several hours with AT&T's techs. The 3rd option is to dump AT&T and switch to a carrier that has wifi calling available for unlocked S8/S8+ phones such as T-Mobile.
Wi-Fi Calling works great for me
TheBoozer said:
A couple of weeks back, I purchased a factory unlocked S8+ Model #G955U1, Baseband Version G955U1EU1AQE3 (The AT&T Galaxy S8+ has different Model and Build #s), inserted my AT&T SIM card and have been using it since. Then I decided to activate WiFi calling, however, unlike my wife's iPhone 7, my Galaxy does not have the option to enable WiFi calling (this option should be under Settings>Connections). After some research, I found out that this a carrier feature which AT&T must provision. When I asked them to do it, they provisioned it on my wife's iPhone 7 but not on my Galaxy, so I called them again and asked them to provision it on the Galaxy. Although they insist that they did, the feature does not show up on under AT&T Devices (It shows up under the iPhone but not the Galaxy). After spending no less than two hours speaking to three agents, I learned that AT&T does not have in their data base the IMEI number of the Galaxy because it was not purchased through them. So obviously, not having an IMEI number, the WiFi calling feature is not going to be pushed to my Galaxy. Not being able to solve the problem, they escalated it to another level who is supposed to contact me two days from now. A friend purchased his Galaxy S8+ through AT&T and the WiFi calling option is there in Settings>Connection and he is able to toggle it on or off. When I used AT&T's IMEI Verification tool, the result was "Device is compatible but we cannot find matching SIM card".
Any and all input would be appreciated.
Click to expand...
Click to collapse
To access Wi-Fi calling you need to open your phone app and hit the settings button in the top right corner and then scroll all the way to the bottom and it will be there.
Goldenstreak76 said:
To access Wi-Fi calling you need to open your phone app and hit the settings button in the top right corner and then scroll all the way to the bottom and it will be there.
Click to expand...
Click to collapse
Unlocked US version it isn't there on AT&T.
This is a Samsung Issue not AT&T...according to Samsung
The following is a record of your online chat.
General Info
Chat start time November 15, 2017 3:42:19 PM EST
Chat end time November 15, 2017 4:00:23 PM EST
Duration (actual chatting time) 00:18:03
Operator Rohit K
Chat Transcript
Info: Thank you for choosing to chat with us. An agent will be with you shortly.
Info: You are now chatting with Rohit K.
Rohit K: Hi, thank you for reaching out to Samsung Technical Support. How may I assist you?
You: how do i turn on HD voice on my s8+ on the att network?
Rohit K: I'll help you with the required information.
You: wi fi calling
Rohit K: Here are the steps.
Rohit K: Go to Settings. Tap Advanced Calling under WIRELESS NETWORKS. Tap Advanced Calling again to turn it On or Off.
You: I've gone through the steps outlined in your Wi-Fi calling setup but when I do the search no wi-fi calling shows up in the search
Rohit K: Just to confirm, is it a unlocked phone?
You: yes
Rohit K: Unfortunately, we cannot use the wifi calling option on the unlocked phones. Samsung is working on this issue.
You: That's odd....you would think it would work better. HOw long has it been an issue?
You: I just got my phone yesterday
Rohit K: The WiFi calling feature is disabled on the unlocked phones, as we can use any carrier on the unlocked phones.
Rohit K: You'll find it on the carrier enabled phone.
You: How can I exchange this phone for a new att phone
Rohit K: May I know the place of purchase?
You: Samsung.com
Rohit K: Yes, you can return the phone with in 15 days from the date of purchase.
Rohit K: We have a dedicated order support team, for your convenience I'll share the contact number of our dedicated team. Once contact them, they'll help you in exchanging the phone.
Rohit K: you may call us toll-free at 855-726-8721,
seven days a week, 9 a.m.-9 p.m. EST with your order
number.

VoLTE

Could someone explain to me how it is possible?
In settings i don't have VoLTE option (Enhanced 4G/LTE mode) for on/off, VoLTE is available on my network in Croatia (Croatian Telecom) and IMS is registered.
But when I check with code *#*#4636#*#*, VoLTE provisioned is gray and cannot be enabled...
You are on June update?
Sent from my Nokia 7 plus using Tapatalk
Danchibald said:
Could someone explain to me how it is possible?
In settings i don't have VoLTE option (Enhanced 4G/LTE mode) for on/off, VoLTE is available on my network in Croatia (Croatian Telecom) and IMS is registered.
But when I check with code *#*#4636#*#*, VoLTE provisioned is gray and cannot be enabled...
Click to expand...
Click to collapse
Same here, though I am on the Telenor network in Norway. My carrier has opened up for it and it is enabled for my subscription in the network, but I can't activate VoLTE on my phone. Thought this option was going to be activated with the June update?
Well the same is for my network. As far as i know, your network provider needs to certify the device, this case our n7p, to be able to use volte. What you could do is perhaps reach out for support and ask them to make n7p certified
mncwala said:
You are on June update?
Click to expand...
Click to collapse
Yes... VoLTE starts working after June update by itself ??
Madarao said:
Well the same is for my network. As far as i know, your network provider needs to certify the device, this case our n7p, to be able to use volte. What you could do is perhaps reach out for support and ask them to make n7p certified
Click to expand...
Click to collapse
I asked them and they will certify Nokia devices sometime... But don't know how it works now and VoLTE is not enabled i device settings and cannot be enabled on Phone information (second screenshoot)?!
Danchibald said:
I asked them and they will certify Nokia devices sometime... But don't know how it works now and VoLTE is not enabled i device settings and cannot be enabled on Phone information (second screenshoot)?!
Click to expand...
Click to collapse
Well once they certified a device, there will be an OTA update that will enable it.
I don't see "Enhanced 4G LTE" mode in my sim setting. I am with Vodafone and they have VOLTE enabled. Any suggestion?
jaskiratsingh said:
I don't see "Enhanced 4G LTE" mode in my sim setting. I am with Vodafone and they have VOLTE enabled. Any suggestion?
Click to expand...
Click to collapse
I've been having the same problem, here is what I found:
If you are willing to root your device, it appears to be possible to get VoLTE working: https://forum.xda-developers.com/nokia-7-plus/help/activate-volte-wifi-calling-nokia-7-plus-t3854829
Otherwise, wait for Google to implement a way to switch SIM profiles. The problem has been reported: https://issuetracker.google.com/issues/112570301
Edit: Nevermind, Google labeled the issues "Won't Fix (Obsolete)" and "Won't Fix (Infeasible)" two days ago. So its up to Nokia to implement a way to get VoLTE working, which I don't see happening soon. Apparently Googles answer is: Buy an Iphone if you want VoLTE outside the US.
DasChillum said:
Apparently Googles answer is: Buy an Iphone if you want VoLTE outside the US.
Click to expand...
Click to collapse
Dont be so dramatic haha. I've got the Chinese model, running WW software in Australia and Volte through the flick of a switch and text message to my carrier. No problems here.
Surgent said:
Dont be so dramatic haha. I've got the Chinese model, running WW software in Australia and Volte through the flick of a switch and text message to my carrier. No problems here.
Click to expand...
Click to collapse
Good for you.
As far as I know, noone in Germany (perhabs even most of europe) has VoLTE on any unrooted Android One device. I have been bounced back and forth between the support of my provider and Nokia, they are both blaming the other party. And Googles answer to this obvious design flaw is: Won't fix.
So now its up to Nokia to create their own API in order to support VoLTE, i.e. providing their own version of Android. I don't thinks that was the point of the Android One program that I bought this device for.
So, while I was being hyperbolic, there aren't many options if you want VoLTE/VoWifi: Root your phone and void your waranty, buy a branded Samsung (some Motorola devices work too, I think), buy a Pixel and use it with a Google-partnered provider or buy an iPhone and use it with any provider you like. Wasn't too long ago that people switched to Android because iPhones only worked with specific carriers and people blamed Apple for bad policies. Now its the other way around, at least for this particular feature.

Wifi-Calling on T-mobile in US

Hi guys,
If i buy the 1+7 pro from their website, which i think is unlocked version, will it support wifi calling on tmobile network in US?
I understand tmobile has their own version, but based on their website review, it has tons of junk software preloaded and don't know why they removed the original screen protector, also locked bootloader, so im not too interested in that version....
I work in an area where there's basically no signal, so wifi calling is a must for me...now using a sony xz premium international version, basically can not make phone calls with it.
Thanks!
anshiyu said:
Hi guys,
If i buy the 1+7 pro from their website, which i think is unlocked version, will it support wifi calling on tmobile network in US?
I understand tmobile has their own version, but based on their website review, it has tons of junk software preloaded and don't know why they removed the original screen protector, also locked bootloader, so im not too interested in that version....
I work in an area where there's basically no signal, so wifi calling is a must for me...now using a sony xz premium international version, basically can not make phone calls with it.
Thanks!
Click to expand...
Click to collapse
As long as you don't use a private DNS, it'll work. It's always worked on every OnePlus phone I've come in contact with.
mikex8593 said:
As long as you don't use a private DNS, it'll work. It's always worked on every OnePlus phone I've come in contact with.
Click to expand...
Click to collapse
Thanks! Order pleaced
Received my order, can confirm it support volte and wifi calling on tmobile out of the box.
anshiyu said:
Received my order, can confirm it support volte and wifi calling on tmobile out of the box.
Click to expand...
Click to collapse
Can you help explain this to me? I have the GSM Unlocked version.
Since yesterday I had the banner at the top showing VoLTE.
I wondered why it didn't show VoWifi while connected to my home network.
I literally did nothing except log into my T-Mobile account through my browser and the banner in my status bar switched to VoWifi, so I was like, oh cool!
But now, minutes later, the banner is gone altogether.
No VoLTE.
No VoWifi.
*Edit*
And now VoWifi is back
There's setting to enable these two in SIM card setting, a little hard to find...
That's the only thing I can think of, as mine as came enabled when received. Both work
Ruggerxpunk said:
Can you help explain this to me? I have the GSM Unlocked version.
Since yesterday I had the banner at the top showing VoLTE.
I wondered why it didn't show VoWifi while connected to my home network.
I literally did nothing except log into my T-Mobile account through my browser and the banner in my status bar switched to VoWifi, so I was like, oh cool!
But now, minutes later, the banner is gone altogether.
No VoLTE.
No VoWifi.
*Edit*
And now VoWifi is back
Click to expand...
Click to collapse
anshiyu said:
Received my order, can confirm it support volte and wifi calling on tmobile out of the box.
Click to expand...
Click to collapse
I'm curious about LTE bands since you are on T-mobile in USA.
Can you confirm the phone support of bands 66 / 71 ? I've seen international specs that say the phone does and does not support these bands.
Edit 6/4/2019. I saw that you actually ordered a OnePlus 7 pro, and not a OnePlus 7... It does not appear that the OnePlus 7 supports bands 66 or 71, see https://forum.xda-developers.com/oneplus-7/help/one-plus-7-t3930123/page3

AT&T vs Unlocked US version

Are there any differences (Hardware like LTE, 5G Band differences or software differences) between AT&T and US Unlocked versions?
Hardware should be no difference. Radio bands should be the same. Software is different. The unlocked comes without carrier bloatware.
That is correct. The software is the only difference. I had the Samsung Note 10+ unlocked on AT&T. I couldn't get WiFi call or HD voice. This time I went the Note 20 Ultra AT&T version. Not a big deal. I just remove the bloatware from the phone using ADB. You can find articles on how to do it.
Weird that I was told by VZW that I couldn't wifi call on the unlocked version. But I can.
I had the U1 version on ATT. Worked great. Some menus missing, such as ability to choose VOLTE butncall quality was great. Has to call ATT to change to a 5g plan for 5g.
By the unlocked version, are you referring to the SM-N986B/DS? I am researching as well and I am on the AT&T network.
Edit: my bad misread title.
I had a U1 N10+ and as someone else mentioned, no wifi calling or HD Voice (VOLTE). Even flashing the U firmware. ATT typically has to Whitelist your phone to unlock those features. Running the U would unlock Video Calling (useless unless the other person is also on ATT) and Advanced Messaging (also an ATT only service). The day I got my N20Ultra, I popped my ATT activated sim, and no VOLTE / HD voice, and no wifi calling. Being on U1, the rest of the features weren't available (video calling, advanced messaging, vvm) which isn't surprising since it's debranded.
In another thread, it showed that Factory Unlocked N20Ultra will have HD Voice hut NOT wifi calling. That's fairly new, so YMMV. Saw the post earlier this week. Not sure it's it's live already or in the works. Some phones had support for WiFi calling and HD Voice, but the N20 series were showing only HD Voice at time of article.
I've since dumped att for Metro (Tmobile) for a few reasons, but primarily their reluctance for fully support a factory unlocked device. They are making a step in the right direction, but honestly, VOLTE and WiFi Calling should be standard features supported. Like why wouldn't you want me to call on wifi instead of clogging the wireless towers? Both work OOTB with Tmobile.
Edit: If you have no plans to switch carriers, I'd get it through att. Even if you run U1 for now, you can change your mind later and know all the features will work on U. If you buy factory unlocked, and need WiFi calling, there's no guarantee it'll work even if you load U firmware. In the past, the device has to have the IMEI specifically whitelisted on their end.
todd3835 said:
I had a U1 N10+ and as someone else mentioned, no wifi calling or HD Voice (VOLTE). Even flashing the U firmware. ATT typically has to Whitelist your phone to unlock those features. Running the U would unlock Video Calling (useless unless the other person is also on ATT) and Advanced Messaging (also an ATT only service). The day I got my N20Ultra, I popped my ATT activated sim, and no VOLTE / HD voice, and no wifi calling. Being on U1, the rest of the features weren't available (video calling, advanced messaging, vvm) which isn't surprising since it's debranded.
In another thread, it showed that Factory Unlocked N20Ultra will have HD Voice hut NOT wifi calling. That's fairly new, so YMMV. Saw the post earlier this week. Not sure it's it's live already or in the works. Some phones had support for WiFi calling and HD Voice, but the N20 series were showing only HD Voice at time of article.
I've since dumped att for Metro (Tmobile) for a few reasons, but primarily their reluctance for fully support a factory unlocked device. They are making a step in the right direction, but honestly, VOLTE and WiFi Calling should be standard features supported. Like why wouldn't you want me to call on wifi instead of clogging the wireless towers? Both work OOTB with Tmobile.
Edit: If you have no plans to switch carriers, I'd get it through att. Even if you run U1 for now, you can change your mind later and know all the features will work on U. If you buy factory unlocked, and need WiFi calling, there's no guarantee it'll work even if you load U firmware. In the past, the device has to have the IMEI specifically whitelisted on their end.
Click to expand...
Click to collapse
I spoke to AT&T for hours and they whitelisted my international Note20 Ultra IMEI. I still don't have Wi-Fi calling and they absolutely don't know why... I regret switching from T-Mobile to AT&T... but unfortunately have to stay with AT&T for 2 more years because of iPhone deals we got...
Guys, all you have to do is flash the U Home CSC for and you'll have all the features on ATT and still have U1 firmware on your U1 device. At least for me on this phone and two previous, the Samsung devices were already "whitelisted" with ATT
Can a US CSC be flashed to another snapdragon model, namely 9860?
ekerbuddyeker said:
Can a US CSC be flashed to another snapdragon model, namely 9860?
Click to expand...
Click to collapse
My guess is no .... But not sure
So if I have a at&t version and flash the u1 firmware would I have wifi calling?
jjr3211 said:
So if I have a at&t version and flash the u1 firmware would I have wifi calling?
Click to expand...
Click to collapse
No. If you're on the AT&T version, stay there.
I can't believe AT&T would whitelist all Samsung Unlocked devices, that would really surprise me. You can buy AT&T locked Galaxy phone and unlock it with AT&T since you bought it outright, and then of course it would be whitelisted.
Still Less Features for Factory Unlocked Models?
Read through this thread and tried digging around in all other logical forums and it seems that it's still the case that one cannot get WiFi calling on AT&T with a Factory Unlocked model?
Asking because Amazon is selling the Note 20 Ultra 512GB Factory Unlocked today for $1,200.
Found a Reddit thread that has people stating there will be a Samsung update that addresses this.
Have seen various posts in various places about flashing file(s)/ROM to enable this.
Any authoritative answer as to whether WiFi Calling (and Voice Over LTE) can be enabled on AT&T with a Factory Unlocked Note 20 Ultra? Or authoritative assurance it will, soon?
haroldlundt said:
Read through this thread and tried digging around in all other logical forums and it seems that it's still the case that one cannot get WiFi calling on AT&T with a Factory Unlocked model?
Asking because Amazon is selling the Note 20 Ultra 512GB Factory Unlocked today for $1,200.
Found a Reddit thread that has people stating there will be a Samsung update that addresses this.
Have seen various posts in various places about flashing file(s)/ROM to enable this.
Any authoritative answer as to whether WiFi Calling (and Voice Over LTE) can be enabled on AT&T with a Factory Unlocked Note 20 Ultra? Or authoritative assurance it will, soon?
Click to expand...
Click to collapse
They cannot. Att and att based subsidized carriers. Do not allow byod on votle or wifi calling. I have a trick to make it work for a couple hours. So I know its possible. But after a few hours their systems reprovision your device and shut them back off.
TheMadScientist said:
They cannot. Att and att based subsidized carriers. Do not allow byod on votle or wifi calling. I have a trick to make it work for a couple hours. So I know its possible. But after a few hours their systems reprovision your device and shut them back off.
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Too bad. Thanks for the reply. Feel better about passing up the sale especially since it will probably be a common sale price during Xmas sales.
And WiFi Calling is too important a feature to trade for a discount of a hundred or even two.
haroldlundt said:
Too bad. Thanks for the reply. Feel better about passing up the sale especially since it will probably be a common sale price during Xmas sales.
And WiFi Calling is too important a feature to trade for a discount of a hundred or even two.
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Yea. If you provision volte and wifi on a actual att phone and sim swap they work for a while. Usually around 4 or 5 am. Then it shuts off and never works again. Till sim swap and reprovision
VoLTE on unlocked Samsung S20 and Note20 series phones is set to "on" by default, but unchangeable (greyed out). As of right now, there is no ability to select WiFi calling until Samsung decides to grace those of us with unlocked phones that ability.
haroldlundt said:
Read through this thread and tried digging around in all other logical forums and it seems that it's still the case that one cannot get WiFi calling on AT&T with a Factory Unlocked model?
Asking because Amazon is selling the Note 20 Ultra 512GB Factory Unlocked today for $1,200.
Found a Reddit thread that has people stating there will be a Samsung update that addresses this.
Have seen various posts in various places about flashing file(s)/ROM to enable this.
Any authoritative answer as to whether WiFi Calling (and Voice Over LTE) can be enabled on AT&T with a Factory Unlocked Note 20 Ultra? Or authoritative assurance it will, soon?
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There is a long term method but it involves calling att, and getting your IMEI registered so you can get VOLTE and wifi calling. Ask customer service. I can't remember the name of the department you need to request. It takes a couple of weeks and then you suddenly get a weird sms (something like IMEI provisioned) and then it works. Did it on note 9.

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