No VoLTE, WiFi calling, RCS, etc. AT&T - OnePlus 6T Questions & Answers

I don't have the options to enable any of these features using ATT. Any tips on getting them working?

dial *#800#
oneplus logkit
function switch
now you can activate it in the phone settings (sim dependent)
but it might not be enough if you provider is not supporting it on your phone. Additional steps with qualcomm toolkit and factory mode might be required

https://forum.xda-developers.com/showpost.php?p=78073766

Related

Enabling WiFi calling on g900v after switching networks

So, I was an idiot and didn't activate advanced calling on my Verizon S5 before switching to T-Mobile. Now when I go into settings and advanced calling, it tells me I need to activate Advanced Calling Features to enable them. When I click activate, it gives me an error every time.
I stupidly thought I could just put in my old sim card and try, but that didn't work either.
Is there any way that I can enable advanced calling and WiFi calling on my Verizon S5 without reconnecting to the Verizon Network?

Can S8 G950U VZW Advanced Calling be enabled w/o VZW activation?

How can I enable for MVNO (StraightTalk) with Verizon S8 G950U device, Advanced Calling (HD calling VoLTE/simultaneous use of mobile and voice data)?
Device is rooted with PartCyborgRom/SamPWND method mentioned by @still_mohawk, #355.
Would switching to ST sim for AT&T or T-Mobile fix?
I believe both carriers do not restrict simultaneous use of mobile and voice data?
Note: StraightTalk Wireless services can use either big 4 carrier network.
Any thoughts to enable dual use data/voice would be appreciated, thank you for any help you can share!
cyberfem said:
How can I enable for MVNO (StraightTalk) with Verizon S8 G950U device, Advanced Calling (HD calling VoLTE/simultaneous use of mobile and voice data)?
Device is rooted with PartCyborgRom/SamPWND method mentioned by @still_mohawk, #355.
Would switching to ST sim for AT&T or T-Mobile fix?
I believe both carriers do not restrict simultaneous use of mobile and voice data?
Note: StraightTalk Wireless services can use either big 4 carrier network.
Any thoughts to enable dual use data/voice would be appreciated, thank you for any help you can share!
Click to expand...
Click to collapse
Yes but it won't work, at least not with wifi calling. I forced mine and I just stopped getting phonecalls lol.
You can try volte I think everyone has that activated if you don't already have it on. Use the app "shortcut master" and find the secret code that takes you to the settings app for it
I loaded Shortcut Master and found VoLTETestUI (com.test.LTEfunctionality) favorited and opened settings, turned ON N/W settings and when making a call the LTE stays on but the phone immediately hangs up. I changed the mode starting at 0-9 but none worked to maintian LTE connection. Is there an "HVoLTE test mode" setting that will work? Is there an APN setting that will keep LTE on during calls for mobile data/browsing?
https://drive.google.com/open?id=1NhMHj5q5h_cfT9RAQH8uVWkFZJ0w8E2U
partcyborg said:
Yes but it won't work, at least not with wifi calling. I forced mine and I just stopped getting phonecalls lol.
You can try volte I think everyone has that activated if you don't already have it on. Use the app "shortcut master" and find the secret code that takes you to the settings app for it
Click to expand...
Click to collapse
CyberFem, any luck with this? I'm in the same boat. Tried shortcut master, got as deep as you did. Can't get VoLTE to work with my verizon s8 on total wireless (verizon mvno). TIA
No luck here.

Volte in nexus 6p indian version (jio network)

Today somehow i manage to get project Fi and options for enabling the volte feature in network setting everything working fine there but when i am trying to use calling feature phone lost lte .The carrier provisioning and IMS registration status is not registered
Can someone help me with this how to fix this problems
vikkyv said:
Today somehow i manage to get project Fi and options for enabling the volte feature in network setting everything working fine there but when i am trying to use calling feature phone lost lte .The carrier provisioning and IMS registration status is not registered
Can someone help me with this how to fix this problems
Click to expand...
Click to collapse
can u say how u activated it??
Sir ,how did u activated volte in Nexus 6p.
vikkyv said:
Today somehow i manage to get project Fi and options for enabling the volte feature in network setting everything working fine there but when i am trying to use calling feature phone lost lte .The carrier provisioning and IMS registration status is not registered
Can someone help me with this how to fix this problems
Click to expand...
Click to collapse
Can you please share how you activated it
vikkyv said:
Today somehow i manage to get project Fi and options for enabling the volte feature in network setting everything working fine there but when i am trying to use calling feature phone lost lte .The carrier provisioning and IMS registration status is not registered
Can someone help me with this how to fix this problems
Click to expand...
Click to collapse
Listen dude, the settings which you are showing in your screenshot can be enabled and disabled very quickly ( by tweaking your rom or you can say editing your build.prop) an easy way is to open magisk, and flash the "VoEnabler" module right in magisk and boom settings of volte are available. But you never ever ever make jio volte work on Nexus 6p because it doesn't contain the band on which jio work. So chill those settings are just for showpiece. If jio volte really work on any stock android, then there is "HD" shows in the left top status bar, as it is in Pixel and Pixel 2. So if you on jio and want to make voice call, just grab Jio4GVoice app from Play Store. Thanks
Unable to fix with currently available things.
vikkyv said:
Today somehow i manage to get project Fi and options for enabling the volte feature in network setting everything working fine there but when i am trying to use calling feature phone lost lte .The carrier provisioning and IMS registration status is not registered
Can someone help me with this how to fix this problems
Click to expand...
Click to collapse
flashed band 12 radio = no profit!// Jio works on 3,5,40
Flash Magisk module = settings available for VoLTE, but not working!
Any other mods for Oreo?

AT&T & Verizon VoLTE and VoWiFi calling/texting thread

Hi all. Posting this for users looking for answers on VoLTE and WoWifi on the 6T on AT&T & Verizon. If users with access to the OP6T could please test and report, that would be very helpful. Since the pixel 3 now supports both VoLTE & VoWiFi (on AT&T) there is perhaps some hope that OnePlus will also support it.
1: On AT&T, is there an option for Voice over LTE and Wifi calling and does it work?
2: On Verizon, I know Voice over LTE will work, but what about Wifi Calling?
Screen shots welcome I will have my hands on the device as soon as its available and will report since I have all the carriers, but thought maybe someone might get their hands on one early and could report. It might make a big difference on whether or now some users buy the device.! Thanks guys!
Yeah, whether or not I get the OP6T depends entirely on whether VoLTE and VoWiFi work on AT&T.
Eagerly waiting for updates!
hosss870 said:
Yeah, whether or not I get the OP6T depends entirely on whether VoLTE and VoWiFi work on AT&T.
Eagerly waiting for updates!
Click to expand...
Click to collapse
Same here!
AT&T & Verizon VoLTE and VoWiFi calling/texting thread
Same here. I’ve got a spot in SC where I got for holidays annually where, without Wi-Fi calling, my phone is a paperweight. I’ve always wanted to try a OnePlus but if there’s no Wi-Fi calling I’ll have to pass and stick with my XS Max.
I’ve already ordered but it’ll be a quick turnaround if that doesn’t work.
Sent from my iPhone using Tapatalk
This question came up in the AMA with the OP team in their community forums last week, and Pei himself said VoWifi isn't supported at the moment.
Just got my device today so update time..
1: VoLTE works on Verizon by default as soon as you pop in the SIM. All the Verizon LTE bands seem to work fine.. in this area, 2,4,13, & 66. no option in the menu for wiFi calling, even though it works fine in my pixel 3 where my verizon SIM just was.
2: Neither VoLTE or VoWiFI work on AT&T by default. No option for either in the settings at all. So no change there from OP5/5T/6 ETC. However, if you go do the dialer, dial *#800# and hit enter, select oneplus logkit, scroll down to function switch and select it, and check the box for VoLTE switch and Vowifi switch and then reboot, it puts the VOLTE setting and VoWiFI setting in for both the Verizon and AT&T SIM. and while you can enable VoWIFI on both Verizon and AT&T, it DOES NOT work on either. On AT&T however, as long as you have a VOLTE capable/recognized IMEI on your AT&T account for your line, VoLTE/HD voice work just fine.
So, while it is amazing to have, for the first time ever a DUAL SIM phone that supports both VZW & AT&T at the same time, it is a too bad that VoWiFI does not work on either, Especially now that the Pixel 3 Supports it on both carriers.
crowsnestitsupport said:
Just got my device today so update time..
1: VoLTE works on Verizon by default as soon as you pop in the SIM. All the Verizon LTE bands seem to work fine.. in this area, 2,4,13, & 66. no option in the menu for wiFi calling, even though it works fine in my pixel 3 where my verizon SIM just was.
2: Neither VoLTE or VoWiFI work on AT&T by default. No option for either in the settings at all. So no change there from OP5/5T/6 ETC. However, if you go do the dialer, dial *#800# and hit enter, select oneplus logkit, scroll down to function switch and select it, and check the box for VoLTE switch and Vowifi switch and then reboot, it puts the VOLTE setting and VoWiFI setting in for both the Verizon and AT&T SIM. and while you can enable VoWIFI on both Verizon and AT&T, it DOES NOT work on either. On AT&T however, as long as you have a VOLTE capable/recognized IMEI on your AT&T account for your line, VoLTE/HD voice work just fine.
So, while it is amazing to have, for the first time ever a DUAL SIM phone that supports both VZW & AT&T at the same time, it is a too bad that VoWiFI does not work on either, Especially now that the Pixel 3 Supports it on both carriers.
Click to expand...
Click to collapse
proof
crowsnestitsupport said:
Hi all. Posting this for users looking for answers on VoLTE and WoWifi on the 6T on AT&T & Verizon. If users with access to the OP6T could please test and report, that would be very helpful. Since the pixel 3 now supports both VoLTE & VoWiFi (on AT&T) there is perhaps some hope that OnePlus will also support it.
1: On AT&T, is there an option for Voice over LTE and Wifi calling and does it work?
2: On Verizon, I know Voice over LTE will work, but what about Wifi Calling?
Screen shots welcome I will have my hands on the device as soon as its available and will report since I have all the carriers, but thought maybe someone might get their hands on one early and could report. It might make a big difference on whether or now some users buy the device.! Thanks guys!
Click to expand...
Click to collapse
Has anyone used the dialer code *#*#4636#*#* & try to toggle VoLTE &/OR VoWI-FI ?
Thanks for the info. I'm looking to get the 6T to use on AT&T. I've never used an unlocked/non-AT&T branded phone on my line. Are there any other limitations that AT&T implements on non-AT&T branded devices? Do they throttle data speeds? Any issues with SMS/MMS working like some Verizon users are experiencing? Would I need to contact AT&T to have any special provisioning just to get it to work? I appreciate any insight on this.
sharksfan7 said:
Thanks for the info. I'm looking to get the 6T to use on AT&T. I've never used an unlocked/non-AT&T branded phone on my line. Are there any other limitations that AT&T implements on non-AT&T branded devices? Do they throttle data speeds? Any issues with SMS/MMS working like some Verizon users are experiencing? Would I need to contact AT&T to have any special provisioning just to get it to work? I appreciate any insight on this.
Click to expand...
Click to collapse
I'm not on AT&T so,I'm not gonna speculate.
Perhaps someone will chime-in soon for more definitive information.
My OnePlus 6t came in today. Took sim out of my Pixel 3 XL and popped it in. Everything is working except I can't SEND text messages. I can receive them and make calls, data is fine (actually amazing 44.5 mbps d/l, which is good for around here.)
I've tried chatting with Verizon, but after I told them what device, there was a long pause and then she asked if it was an iPhone
Here are my troubleshooting steps I've followed.
-deleted app cache and storage
-reset device
-factory reset device
-cleared cache partition in recovery
Any suggestions? I put the sim back in my Pixel and all the messages came through. I've tried both slots.
Mobile network state-Connected
Service state-In service
Mobile voice network type-4g
Mobile data network types-4g
EID-unknown (??)
There is another thread discussing why a lot of people using 6T on Verizon having problem receiving SMS and MMS. Something the phone being LTE only on Verizon. Maybe you are having the same problem? Worth reading that thread.
akmsr said:
There is another thread discussing why a lot of people using 6T on Verizon having problem receiving SMS and MMS. Something the phone being LTE only on Verizon. Maybe you are having the same problem? Worth reading that thread.
Click to expand...
Click to collapse
Yes. that would be best. I didn't need to do anything with mine, it just worked. However, I do have the latest version the the Verizon SIM card. Not sure if that matters. I was using a Pixel 3 before.
sharksfan7 said:
Thanks for the info. I'm looking to get the 6T to use on AT&T. I've never used an unlocked/non-AT&T branded phone on my line. Are there any other limitations that AT&T implements on non-AT&T branded devices? Do they throttle data speeds? Any issues with SMS/MMS working like some Verizon users are experiencing? Would I need to contact AT&T to have any special provisioning just to get it to work? I appreciate any insight on this.
Click to expand...
Click to collapse
I have used AT&T for years on unlocked devices. I have tested everything Data speeds are just fine. no issues there. the OP6T supports all the bands on AT&T so coverage should be just fine for you. The limits are as follows:
1: built in visual voicemail will not work, you will need to use the AT&T visual Voicemail app from the store.
2: Wifi calling/texting will not work
3: VoLTE/HD Voice will only work with the above mentioned trickery. Root is NOT needed. just the *#800# thing
the only provisioning you may need is the AT&T imei for VoLTE (Easiest to do online) after installing your AT&T SIM in the OP6T, if VoLTE doesn't work after following the instruction in this thread, log into your AT&T account and update your IMEI to one of your past AT&T phones that support VoLTE and update, reboot you OP6T and bingo, it will work. No other provisioning or limitations that I know of. And if VoLTE/HD Voice isn't important to you, you can ignore all this. Your existing AT&T SIM just needs installed in your OP6T and your good to go!
KOLIOSIS said:
Has anyone used the dialer code *#*#4636#*#* & try to toggle VoLTE &/OR VoWI-FI ?
Click to expand...
Click to collapse
The *#800# enables all those options. But it doesn't help anything on Verizon, and on AT&T it does work for VoLTE if a VOLTE enabled IMEI is on your AT&T account, but it doesn't work for wifi calling. I wish it was just illegal for the carriers to block services just because its a non branded phone
natypes said:
My OnePlus 6t came in today. Took sim out of my Pixel 3 XL and popped it in. Everything is working except I can't SEND text messages. I can receive them and make calls, data is fine (actually amazing 44.5 mbps d/l, which is good for around here.)
I've tried chatting with Verizon, but after I told them what device, there was a long pause and then she asked if it was an iPhone
Here are my troubleshooting steps I've followed.
-deleted app cache and storage
-reset device
-factory reset device
-cleared cache partition in recovery
Any suggestions? I put the sim back in my Pixel and all the messages came through. I've tried both slots.
Mobile network state-Connected
Service state-In service
Mobile voice network type-4g
Mobile data network types-4g
EID-unknown (??)
Click to expand...
Click to collapse
Here are various threads.. Not sure if there are answers. But again, it just worked for me.. Sorry I'm not more help.
https://forum.xda-developers.com/oneplus-6t/help/verizon-oneplus-6t-im-happy-one-t3863258
https://forum.xda-developers.com/oneplus-6t/help/feeling-6t-verizon-t3861188
https://forum.xda-developers.com/oneplus-6t/help/wifi-calling-incoming-phone-calls-text-t3863595
https://forum.xda-developers.com/oneplus-6t/help/verizon-to-to-sms-t3863352
crowsnestitsupport said:
Just got my device today so update time..
1: VoLTE works on Verizon by default as soon as you pop in the SIM. All the Verizon LTE bands seem to work fine.. in this area, 2,4,13, & 66. no option in the menu for wiFi calling, even though it works fine in my pixel 3 where my verizon SIM just was.
2: Neither VoLTE or VoWiFI work on AT&T by default. No option for either in the settings at all. So no change there from OP5/5T/6 ETC. However, if you go do the dialer, dial *#800# and hit enter, select oneplus logkit, scroll down to function switch and select it, and check the box for VoLTE switch and Vowifi switch and then reboot, it puts the VOLTE setting and VoWiFI setting in for both the Verizon and AT&T SIM. and while you can enable VoWIFI on both Verizon and AT&T, it DOES NOT work on either. On AT&T however, as long as you have a VOLTE capable/recognized IMEI on your AT&T account for your line, VoLTE/HD voice work just fine.
So, while it is amazing to have, for the first time ever a DUAL SIM phone that supports both VZW & AT&T at the same time, it is a too bad that VoWiFI does not work on either, Especially now that the Pixel 3 Supports it on both carriers.
Click to expand...
Click to collapse
So glad that I found this post. I am coming from an AT&T branded Galaxy S8 to my new OnePlus 6T. The above instructions worked like a charm for AT&T. I ran some tests. The OnePlus displays "HD" when I call my wife on her phone on AT&T and VoLTE shows in the status bar. When I toggle it back off I lose "HD" on the phone call screen. Also, LTE stays on during calls with VoLTE turned on and I ran a speedtest with it on and off and I definitely get 4G speed with it on and it downgrades to HSPA+ with VoLTE off and speed goes way down. Hopefully VoWIFI will be supported soon but that's not a deal breaker for me as I get great reception most of the time where I live, work and travel.
KOLIOSIS said:
Has anyone used the dialer code *#*#4636#*#* & try to toggle VoLTE &/OR VoWI-FI ?
Click to expand...
Click to collapse
I am on att had it all working on my unlocked NOTE 8. Now I can't even get volte cause it's all grayed out.
The service providers don't want you to buy unlocked phones. They make zero on them!! So that's why they block stuff. It's an antitrust lawsuit waiting to happen!! A$$h0!€$
Sent from my SM-N960U using Tapatalk
I've got AT&T as my primary and Verizon as #2. I just got off the phone with Verizon, told them I needed to add the CDMA Less feature to fix my texting. He checked a box on his end and I got a flood of texts in...what was even better, it was a work phone on a business account. I didn't even have to provide any real information to him and he was able to fix me up. He was aware of the issue though, he'd asked if it was a 6T from T-Mobile...so someone sent out a bulletin somewhere that he had read.
Anyway, I left Verizon to go to AT&T specifically for this plan of having one phone to cover 2 lines while one being fully functional (AT&T), so far it's been working well switching between SIMs for texting and making phone calls.
What were you specifically looking to find out?
Edit: found what you're looking for...however I'm not sure where those settings are even at.

G900T on Consumer Cellular Help

I have been trying to use my Galaxy S5 G900T on Consumer Cellular. The phone does connect to the CC network so it is unlocked and there are no issues with data/MMS. But no voice. There is nothing in the Settings menu that lets me select voLTE. The only option is Settings →More networks → Mobile networks → Network mode. Under network mode I have LTE/WCDMA/GSM (auto connect) selected. That is different than my VZW 900V that has a Settings option for Advanced Calling that turns on/off what VZW calls HD Audio, which is voLTE. The phone app has an option foLTE preferred and that is turned on. My understanding is that for voLTE to work, IMS has to be registered and my 900V shows IMS status on. I am not sure what is needed to switch the IMS status in the 900T from Not registered to on. Could this be something other than the SIM?
The 900T is stock. baseband version G900TUVU1GQC2.
Wouldn't it be better for you to ask Consumer Cellular.
What makes you think I didn't? Customer support simply tells you that it is an old phone and it does not support voLTE, which is plainly wrong, and when you respectfully disagree they hang up. I thought that there might be someone on the forum who actually knows something.

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