Related
Hi All,
I'm having an issue with dual sim as follows, if I switch the data connection from SIM1 to SIM2 it switches it over to SIM2 and works but SIM1 then stops working completely, e.g. no calls, text messages, no signal registered and in the status it says SIM1 is "disconnected". If I then switch back the data connection to SIM1 it works again and so does SIM2.
Is this a known issue with the version of Android 5.1.1 that Wileyfox are using?
FYI, I've raised it with Wileyfox support and they say the issue doesn't exist, even though I sent them a screencast showing it doing it!!
Thanks.
Andrew.
da644 said:
Hi All,
I'm having an issue with dual sim as follows, if I switch the data connection from SIM1 to SIM2 it switches it over to SIM2 and works but SIM1 then stops working completely, e.g. no calls, text messages, no signal registered and in the status it says SIM1 is "disconnected". If I then switch back the data connection to SIM1 it works again and so does SIM2.
Is this a known issue with the version of Android 5.1.1 that Wileyfox are using?
FYI, I've raised it with Wileyfox support and they say the issue doesn't exist, even though I sent them a screencast showing it doing it!!
Thanks.
Andrew.
Click to expand...
Click to collapse
By chance, are you on a 3G and up contract, from the likes of three?
I know that when you switch data priorities it defaults the non data sim to 2G. So if you are on 3 that will essentially disable the sim like you are seeing as three only provide 2G signal when there is no 3G or 4G signal in that area. They lease the 2G signal from another network, used to be EE but not sure anymore.
Just a thought, have a look at Settings > Sim Cards and select the Sim that is not being used for data, if that is showing Preferred Network Type of 2G, try changing it.
teamcoy said:
By chance, are you on a 3G and up contract, from the likes of three?
I know that when you switch data priorities it defaults the non data sim to 2G. So if you are on 3 that will essentially disable the sim like you are seeing as three only provide 2G signal when there is no 3G or 4G signal in that area. They lease the 2G signal from another network, used to be EE but not sure anymore.
Just a thought, have a look at Settings > Sim Cards and select the Sim that is not being used for data, if that is showing Preferred Network Type of 2G, try changing it.
Click to expand...
Click to collapse
Yes, I'm on 4G on both SIMs, one is on 3 and the other is on EE. I've tried all different combinations of the settings, switching the SIM cards around, etc... however no matter what I try, switching data from SIM1 to SIM2 always disables SIM1 fully. It must be a Android bug / feature.
da644 said:
Yes, I'm on 4G on both SIMs, one is on 3 and the other is on EE. I've tried all different combinations of the settings, switching the SIM cards around, etc... however no matter what I try, switching data from SIM1 to SIM2 always disables SIM1 fully. It must be a Android bug / feature.
Click to expand...
Click to collapse
Ok, I can replicate the issue with 3 in Sim 1 and GiffGaff in Sim2, changing data to Sim 2 sends Sim 1 to 2G only which three doesn't support where I am based and so it effectively kills the sim. Toggling the 3 sim to 3G or 4G sorts it for me.
Tried with Vodafone in Sim 1 and GiffGaff in Sim 2 and toggling between them works seamlessly as both networks have 2G fallback.
teamcoy said:
Ok, I can replicate the issue with 3 in Sim 1 and GiffGaff in Sim2, changing data to Sim 2 sends Sim 1 to 2G only which three doesn't support where I am based and so it effectively kills the sim. Toggling the 3 sim to 3G or 4G sorts it for me.
Tried with Vodafone in Sim 1 and GiffGaff in Sim 2 and toggling between them works seamlessly as both networks have 2G fallback.
Click to expand...
Click to collapse
Hmm... ok, I will try again and see what I can do but I'm sure I tried switching the SIM cards around before. Thanks.
da644 said:
Hmm... ok, I will try again and see what I can do but I'm sure I tried switching the SIM cards around before. Thanks.
Click to expand...
Click to collapse
Hi, I didn't switch the sims to get it to work just the preferred network type for the three sim.
This is the setting that I mean.
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It defaults to 2G for the non data sim, but changing it to 3G or 4G brings the three one back to life when it is the secondary sim.
teamcoy said:
This is the setting that I mean.
View attachment 3675066
It defaults to 2G for the non data sim, but changing it to 3G or 4G brings the three one back to life when it is the secondary sim.
Click to expand...
Click to collapse
I've tried this and it doesn't work for me, with EE in SIM1 and 3 in SIM2 both work fine when SIM2 (3) is the data connection but as soon as I switch to SIM1 (EE) for the data connection it disables SIM2 (3) completely and the setting you have mentioned is already set to 4G for both SIM's.
da644 said:
I've tried this and it doesn't work for me, with EE in SIM1 and 3 in SIM2 both work fine when SIM2 (3) is the data connection but as soon as I switch to SIM1 (EE) for the data connection it disables SIM2 (3) completely and the setting you have mentioned is already set to 4G for both SIM's.
Click to expand...
Click to collapse
That is bizarre.
For me, switching the data sim also switches the preferred type to 2G for the non data sim.
Try something, change the preferences so that EE is doing the data, then reboot and clear caches from recovery (vol down and power from powered off), then reboot system.
You shouldn't need to do that but I am curious if it may clear out the gremlins.
teamcoy said:
That is bizarre.
For me, switching the data sim also switches the preferred type to 2G for the non data sim.
Try something, change the preferences so that EE is doing the data, then reboot and clear caches from recovery (vol down and power from powered off), then reboot system.
You shouldn't need to do that but I am curious if it may clear out the gremlins.
Click to expand...
Click to collapse
Thanks for the suggestion, tried that, didn't work either.
Yes, I had the same issue, I think its because 3 doesn't support 2G, as soon as I make it T-Mobile is my data provider, the Three sim goes dead. Think I may just port my Three number to another network provider
4G_now said:
Yes, I had the same issue, I think its because 3 doesn't support 2G, as soon as I make it T-Mobile is my data provider, the Three sim goes dead. Think I may just port my Three number to another network provider
Click to expand...
Click to collapse
Is there any workaround for this issue that anyone is aware of? I have an iD Mobile SIM which I understand runs on the Three network, and am getting just the symptoms described by others. In short is this a bug in the software for the phone or a network problem?
da644 said:
I've tried this and it doesn't work for me, with EE in SIM1 and 3 in SIM2 both work fine when SIM2 (3) is the data connection but as soon as I switch to SIM1 (EE) for the data connection it disables SIM2 (3) completely and the setting you have mentioned is already set to 4G for both SIM's.
Click to expand...
Click to collapse
Seeing the exact same issue, with EE sim in 1 and Three sim in 2.
Wileyfox android version 6.0.1 Cyanogen version 13.0-ZNH0EAS2NH
With EE sims in both slots and my data connection being sim 1: the data connection seems to randomly connect to sim 2 after a reboot without me changing it
Brand new phone. Will be returning it.
Apologies for being a 'me too', but I've just had this exact same problem. BT/EE in sim2, Three in sim2. BT/EE is the main data provider, but when enabled, sim2 is completely dead.
Is this a Wileyfox issue, or a Cyanogen Mod issue?
I like the phone, and don't want to replace it unless I have to, but I need two working sims. So it's whether to go with another Wileyfox, or avoid Wileyfox or CM.
Hi all,
I picked up an unlocked LG G4 US991 from Buydig via eBay the other day. I got the phone today and was on a call and needed to use data and realized that data did not work. I currently have a Verizon sim that I noticed it did not work on . I also have a T-Mobile sim. Is it possible to enable or use VoLTE or Simultaneous Voice & Data on the US991 with Verizon service or T-Mobile service?
I don't have the T-Mobile sim right now to test it out at the moment.
Thanks.
Since T-Mobile is a GSM carrier, WCDMA (3G GSM) does support simultaneous voice and data.
dennis5pia said:
Since T-Mobile is a GSM carrier, WCDMA (3G GSM) does support simultaneous voice and data.
Click to expand...
Click to collapse
Thanks for the reply.
I popped the T-Moble sim in over the weekend and was able to do simultaneous voice and data, which is great.
I just wish there was a way on this phone to do it on a CDMA carrier.
duke69111 said:
Thanks for the reply.
I popped the T-Moble sim in over the weekend and was able to do simultaneous voice and data, which is great.
I just wish there was a way on this phone to do it on a CDMA carrier.
Click to expand...
Click to collapse
CDMA does not support simultaneous voice and data unless the phone uses 2 radios.
Sent from my SM-G900V using XDA-Developers mobile app
duke69111 said:
Thanks for the reply.
I popped the T-Moble sim in over the weekend and was able to do simultaneous voice and data, which is great.
I just wish there was a way on this phone to do it on a CDMA carrier.
Click to expand...
Click to collapse
I am interested in your experience with tmobile service with this phone. I have read that some people had issues after upgrading to marshmallow. Wondering if those were just a couple isolated incidents. Could you share a little more info please? Thank you
dennis5pia said:
CDMA does not support simultaneous voice and data unless the phone uses 2 radios.
Sent from my SM-G900V using XDA-Developers mobile app
Click to expand...
Click to collapse
I'm sorry I should've been more specific. I meant VoLTE to support simultaneous voice and data on a CDMA carrier with this phone.
enginataman said:
I am interested in your experience with tmobile service with this phone. I have read that some people had issues after upgrading to marshmallow. Wondering if those were just a couple isolated incidents. Could you share a little more info please? Thank you
Click to expand...
Click to collapse
I'm not familiar with the issues, but so far so good with T Mobile's service. The phone came with lollipop installed and I upgraded it to Marshmallow over wifi before I popped in the T-Mobile sim card. The GF uses it with their service and has had no problems so far. All the different data modes work from LTE down to 2G, messaging and calls work as well.
duke69111 said:
I'm not familiar with the issues, but so far so good with T Mobile's service. The phone came with lollipop installed and I upgraded it to Marshmallow over wifi before I popped in the T-Mobile sim card. The GF uses it with their service and has had no problems so far. All the different data modes work from LTE down to 2G, messaging and calls work as well.
Click to expand...
Click to collapse
Exactly the same situation here = good.
Wifi Calling?
Hi. Thanks for the info.
Does US991 permit T-Mobile's Wifi Calling, which I believe is linked to its ability to provide free Gogo In flight free texting on major airlines?
--Scott
skatsinas said:
Hi. Thanks for the info.
Does US991 permit T-Mobile's Wifi Calling, which I believe is linked to its ability to provide free Gogo In flight free texting on major airlines?
--Scott
Click to expand...
Click to collapse
No it does not have the wifi calling ability. That only comes on T-Mobile branded phones.
I'm also wondering how to activate Advanced Calling on the US991 model for Verizon. I have it activated on my account I just cant seem to be able to make it work on the phone. Any help would be appreciated.
DestantionUnkwn said:
I'm also wondering how to activate Advanced Calling on the US991 model for Verizon. I have it activated on my account I just cant seem to be able to make it work on the phone. Any help would be appreciated.
Click to expand...
Click to collapse
From what I can see in the hidden settings menu, it is not possible. This version of the phone does not support VoLTE. When you click on VoLTE in the hidden menu it tells you something along the line of it not being supported.
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Yes, I have T-mobile and the US991 model works fine on this network.
https://support.t-mobile.com/thread/95578?tstart=0
I am currently using 2 SIMs.
1. Vodafone 3G
2. Reliance Jio 4G LTE
Now when I set "SIM 1 (Vodafone)" as preferred SIM for Cellular Data, my 2nd SIM loses network.
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When I switch it to 2nd SIM, Both SIMs have network.
Anyone else have this issue? Whats the workaround?
I am on Stock 3.2.7 Rooted.
No idea, but u tried switching the Sims around in the sim tray.. maybe one is more suited to 4g than the other!?!
Sent from my ONEPLUS A3003 using Tapatalk
omkarroxx said:
I am currently using 2 SIMs.
1. Vodafone 3G
2. Reliance Jio 4G LTE
Now when I set "SIM 1 (Vodafone)" as preferred SIM for Cellular Data, my 2nd SIM loses network.
When I switch it to 2nd SIM, Both SIMs have network.
Anyone else have this issue? Whats the workaround?
I am on Stock 3.2.7 Rooted.
Click to expand...
Click to collapse
i use same sim cards and same slots as u and i have same problem. im in aicp nougat rom.
i dont think its because of our rom or phone. it maybe related to network too. checked on asus phone and it had the same issue
ohyesman said:
No idea, but u tried switching the Sims around in the sim tray.. maybe one is more suited to 4g than the other!?!
Sent from my ONEPLUS A3003 using Tapatalk
Click to expand...
Click to collapse
I will try that tomorrow morning. DOn't think it will make any difference though.
mkr2511 said:
i use same sim cards and same slots as u and i have same problem. im in aicp nougat rom.
i dont think its because of our rom or phone. it maybe related to network too. checked on asus phone and it had the same issue
Click to expand...
Click to collapse
Wow are you sure? If it is then its kind of a serious issue though.
I dont understand how it can be network related though?
omkarroxx said:
Wow are you sure? If it is then its kind of a serious issue though.
I dont understand how it can be network related though?
Click to expand...
Click to collapse
yes im sure. just switch the sim cards. put vodafone in sim 2 and jio in sim 1. now activate the jio for cellular network. if the problem is with phone or rom, the 2nd sim should lose network right? but it doesnt. it works fine. this problem is only seen with jio.
and i had the same issue while using in asus phone with other jio sim card and airtel
mkr2511 said:
yes im sure. just switch the sim cards. put vodafone in sim 2 and jio in sim 1. now activate the jio for cellular network. if the problem is with phone or rom, the 2nd sim should lose network right? but it doesnt. it works fine. this problem is only seen with jio.
and i had the same issue while using in asus phone with other jio sim card and airtel
Click to expand...
Click to collapse
So putting Vodafone in SIM 2, and then using Vodafone as preferred cellular data won't drop Jio's network? You tried this?
omkarroxx said:
So putting Vodafone in SIM 2, and then using Vodafone as preferred cellular data won't drop Jio's network? You tried this?
Click to expand...
Click to collapse
i've tried that too. it will drop the network.. jio needs to be chosen for cellular data to get network.
so its nothing related to phone or rom.
mkr2511 said:
i've tried that too. it will drop the network.. jio needs to be chosen for cellular data to get network.
so its nothing related to phone or rom.
Click to expand...
Click to collapse
But I dont get it still. We are choosing "Preferred Cellular Data" when data is turned on. Why does the whole network is lost just for choosing "preferred" option? How can this be network related.
Any ROM experts around?
omkarroxx said:
But I dont get it still. We are choosing "Preferred Cellular Data" when data is turned on. Why does the whole network is lost just for choosing "preferred" option? How can this be network related.
Any ROM experts around?
Click to expand...
Click to collapse
the reason behind this is jio doesnt have gsm or wcdma networks yet like other network operators. so it has to use lte for both data and calls. i hope u know how calls over lte work.
check the link below for explanation http://indianexpress.com/article/technology/tech-news-technology/reliance-jio-4g-volte-technology-heres-how-voice-calls-will-work/
mkr2511 said:
the reason behind this is jio doesnt have gsm or wcdma networks yet like other network operators. so it has to use lte for both data and calls. i hope u know how calls over lte work.
check the link below for explanation http://indianexpress.com/article/technology/tech-news-technology/reliance-jio-4g-volte-technology-heres-how-voice-calls-will-work/
Click to expand...
Click to collapse
You are not getting what I am saying.
I am not saying Jio should use GSM.
We are setting up "Preferred Cellular Data" which when turned on, it should use either Jio/Vodafone. We are not activating GSM network mode on Jio SIM. The thing you are saying is:
Edit: I understood what the problem is from other forum. Thanks for your input
omkarroxx said:
You are not getting what I am saying.
I am not saying Jio should use GSM.
We are setting up "Preferred Cellular Data" which when turned on, it should use either Jio/Vodafone. We are not activating GSM network mode on Jio SIM. The thing you are saying is:
Click to expand...
Click to collapse
bro seriously read that link 1st. it answers all your questions..
mkr2511 said:
bro seriously read that link 1st. it answers all your questions..
Click to expand...
Click to collapse
Yeah I did not know that in our phone we can only use 1 SIM active as data and other can not be used.
Thanks for your input.
When I roam around remote areas with weak Signal zone , I did experience what you are saying ... switching data and other sim signals would vanish . So I use to disable data first and later turn it on that way signals would stay . I.e.
Disable data
Switch sim data
Turn on data .
P.s. Everyone network has a fallback even if we don't use LTE ,networks fallback to device / network supported typed
omkarroxx said:
I am currently using 2 SIMs.
1. Vodafone 3G
2. Reliance Jio 4G LTE
Now when I set "SIM 1 (Vodafone)" as preferred SIM for Cellular Data, my 2nd SIM loses network.
When I switch it to 2nd SIM, Both SIMs have network.
Anyone else have this issue? Whats the workaround?
I am on Stock 3.2.7 Rooted.
Click to expand...
Click to collapse
Just for your info it has nothing to do with OP3 or any custom rom, It's JIO which h is an all time 4G network.
So when u chose data on any simcard apart rom the JIO the 4G band shifts to that particular sim be it idea Voda airtel, JIO will loose network as the band on that slot is 2g/3g.
Sent from my ONEPLUS A3003 using Tapatalk
no one can resolve.
ok,
faced same issue in my oneplus 3,
and it is there in every phone, and no one cant resolve it.
actually jio use its data network to make call, receive call and send sms, so if you change your network connection to any other sim, it will lose all its services.
so if you want to use both sim, your data connection must be connected with jio sim.
I have 2 sim on my OP3.
Sim 1 default for voice and messages
Sim 2 default for data. (tried with different sim).
When i place a call using sim 1, data on sim 2 drops.
When i hang up, data on sim 2 is back again.
Is that normal? LTE, WCDMA, no matter which protocol i use, but it's always the same scenario...
Thanks
Fentadroid said:
I have 2 sim on my OP3.
Sim 1 default for voice and messages
Sim 2 default for data. (tried with different sim).
When i place a call using sim 1, data on sim 2 drops.
When i hang up, data on sim 2 is back again.
Is that normal? LTE, WCDMA, no matter which protocol i use, but it's always the same scenario...
Thanks
Click to expand...
Click to collapse
Depends on network too.
On one network when I recieve a call, internet drops.
But when I place a call, internet works.
While on other sim when I place a call, network switches to 3g and back to 4g when I drop the call.
But while calling you would need one sim in 2g and other in 3g or 4g for the internet to work.
Navi44 said:
Depends on network too.
On one network when I recieve a call, internet drops.
But when I place a call, internet works.
While on other sim when I place a call, network switches to 3g and back to 4g when I drop the call.
But while calling you would need one sim in 2g and other in 3g or 4g for the internet to work.
Click to expand...
Click to collapse
Well... i will try to explain better the situation...
In other words, if i place a call with the sim that is NOT used for data, the other sim, drop the connection.
Whatever slot i use, or network type or carrier.
I can't remember the exact terminology but there are two types of dual sim phones - in effect "2 phones in one case" and "one phone with access to 2 sims". The terms may be dual active and dual standby and there are acronyms something like DSDA for dual sim and dual active. I would think the op3 has standby sims and whichever makes or receives a voice call has priority and takes over the only "transmitter"
See this link https://forum.xda-developers.com/oneplus-2/help/dsda-dsfa-t3220593
Try turning off VoLTE in sim settings. This may help.
Carriers i use, don't support VoLTE, so... i haven't any option to disable.
So.... nobody with 2 sim here ?
I really don't know if that is a bug or is normal....
That is what i mean.
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Standby
During a call on SIM 1.
(SIM 2 is for data, you can see "4g" is gone..)
Only one SIM can be active at any given time. When there is no call, the SIM are in standby and data can be used on either of the SIM. But the moment a call is active, that SIM becomes the active SIM and if that's the one being used for data, then it is available and the other is not.
Fentadroid said:
Carriers i use, don't support VoLTE, so... i haven't any option to disable.
So.... nobody with 2 sim here ?
I really don't know if that is a bug or is normal....
That is what i mean.
View attachment 4101894
Standby
View attachment 4101895
During a call on SIM 1.
(SIM 2 is for data, you can see "4g" is gone..)
Click to expand...
Click to collapse
Does this make the position clear ? http://gadgetguideonline.com/android/android-101/dual-sim-android-phones-dual-standby-vs-dual-active/ It references points made in this thread and has a list of dual active sim phones. I can only find specifications for the op3 and op3T that state they are "standby" sims.
Hello I am say from my experience that when I use jio sim in India which has volte calls works as well as internet side by side. But when I use airtel sim for internet and Vodafone sim for calls and SMS the same problem happens. There is something technologically called they have 4g or may be 3g for internet at the same time they are using 2g technology for calls it may be outgoing or incoming. So when I try to pit some calls 4g symbol will disappear after disconnecting it will appear again. So please check with operator what kind of technology they are providing truly 4g or combination of 4g technology.
Then you can understand it properly I think.
peterk-1 said:
Does this make the position clear ? http://gadgetguideonline.com/androi...m-android-phones-dual-standby-vs-dual-active/ It references points made in this thread and has a list of dual active sim phones. I can only find specifications for the op3 and op3T that state they are "standby" sims.
Click to expand...
Click to collapse
crystal clear
ok try this, put the data sim in slot 1 and call sim in slot 2, tell me if that works
No way. If enable data on SIM 1 end use the SIM 2 to call, data on SIM 1 drops.
If i use data on SIM 1 and use the same SIM to call, data will stay active. Same thing if i revert SIM on slot.
I think... this is the phone...
Hi
If people who have the Mate 20 X could post in here whether they have managed to get voLTE and WiFi calling working and on which network and country. Also on which version of the phone would be brilliant
neither even show on my phone as an option
Jerky_san said:
neither even show on my phone as an option
Click to expand...
Click to collapse
Which country and network are you using?
gazm1990 said:
Which country and network are you using?
Click to expand...
Click to collapse
USA AT&T
Same here, I even tried pulling out the SIM but nothing showed up, not that I think ATT will let it work.
I have Volte, I'm Tmobile
Can someone take a screenshot showing these settings, just to be sure I am looking in the right location.
bigmase01 said:
I have Volte, I'm Tmobile
Click to expand...
Click to collapse
I've seen that users have VoLTE but no wifi calling on Tmobile. Any idea if you have VOIP?
Maybe they have a code, like Xiaomi (*#*#86583#*#*)
EVR-L29 only has voLTE and not WiFi calling.
I have both volte and vowifi
Network: ais
Country: Thailand
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romeokk said:
I have both volte and vowifi
Network: ais
Country: Thailand
Click to expand...
Click to collapse
Both working for me too.
BT network in the UK
SmartPhonesFan said:
Hi it does support VoLTE and it is enabled but it also depends of your network provider where and which areas has it enabled .. there is now 4G+ so then VoLTE will be enabled automatically but it applies only for global version or EU version it might work on AL00 so on all new phones it is automatically enabled you don't need switch
On mine Note10 it says supported but in china only don't know I didn't try yet ..
Don't confuse guys WiFi calling as dat is only network provider supporting it.. of course u have wifi so wifi calling will be working unless u have provider who has it enabled ..
and another someone mentioned VoIP .. jesus dat is just internet.. so it is only over an app and over wifi or mobile network not signal reception network
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Hi. Thanks for general information. I found it useful. In regards to VoIP. Was just asking what folks experience was with it. The network provider may not have wifi calling but app using VoIP can in some cases be good substitute.
bigmase01 said:
I have Volte, I'm Tmobile
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Can you kindly provide screenshots of you on a call while still in 4G LTE please? THIS would be the ultimate proof of VoLTE working on T-Mobile.
Thanks!
The Huawei Mate 20 X has the bands for VoLTE !
I have the Huawei Mate 20 X EVR-L29 global c636 & I have LTE High Speed Mode option but I can't find option to turn VoLTE on, perhaps it does need to be turned on, maybe the option just comes turned on.
As far as WiFi calling goes from what I have gathered on other threads on XDA, that option is is something that carriers usually add.
The Mate 20 line supports the bands needed for both VoLTE & WiFi Calling, the M20 & M20Pro & M20X all have the bands required for both options.
https://www.google.com/search?q=Doe...d-huawei-rev1&sourceid=chrome-mobile&ie=UTF-8
https://consumer.huawei.com/en/phones/mate20-x/specs/
bigmase01 said:
I have Volte, I'm Tmobile
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Do you have a LTE smartwatch?
If so do you have it connected to TeamMobile network?
If so does TeamMobile have a similar technology to AT&T's numbersync?
If so have you got your watch & phone to sync on TeamMobile network?
I have the M20X & LG Watch Sport, I currently have AT&T unlimited prepaid plan for my phone & the lowest prepaid plan for my watch, I want to switch to AT&T post paid account & sync my phone & watch with AT&T's numbersync.
AT&T & places say that the phone has to be an AT&T device for the technology to work.
However the M20 & M20Pro & M20X all support band 3 & band 40, those bands are required for VoLTE, VoLTE is required for AT&T numbersync to work.
I have found a few threads on XDA where people have gotten none AT&T phones working with numbersync.
I'm posting links to the threads below.
https://forum.xda-developers.com/mate-10/how-to/pair-10-pro-att-sync-successful-t3759308
https://forum.xda-developers.com/v20/help/how-to-enable-sync-call-forwarding-att-t3602988
https://forum.xda-developers.com/gear-s2/general/att-firmware-update-sync-available-t3274953
https://forum.xda-developers.com/gear-s2/help/att-sync-question-t3297661
HAS ANYONE GOT A MATE 20 OR MATE 20 PRO OR MATE 20 X TO WORK ON AT&T NUMBERSYNC & SYNC WITH THERE LTE SMARTWATCH ?!!!
So far I have tried...
T-Mobile US - VoLTE OK, but no Wifi Calling
AT&T US - No VoLTE, no Wifi calling
Docomo Japan - VoLTE OK. Wifi calling doesn't exit.
Softbank Japan - VoLTE OK. Wifi calling doesn't exit.
Interestingly, the Mate 20 Pro doesn't support VoLTE on T-Mobile US, but the 20 X does.
The phones have a whitelist of MNC/MCC to enable VoLTE/VoWifi options for. So unless your carrier is on that whitelist, you won't see the VoLTE option.
Vodafone UK - No Wifi calling and no surprises there
3 UK - Wifi calling working perfectly
paul-home said:
Vodafone UK - No Wifi calling and no surprises there
3 UK - Wifi calling working perfectly
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My biggest gripe with Vodafone that
SmartPhonesFan said:
Hi it does support VoLTE and it is enabled but it also depends of your network provider where and which areas has it enabled .. there is now 4G+ so then VoLTE will be enabled automatically but it applies only for global version or EU version it might work on AL00 so on all new phones it is automatically enabled you don't need switch
On mine Note10 it says supported but in china only don't know I didn't try yet ..
Don't confuse guys WiFi calling as dat is only network provider supporting it.. of course u have wifi so wifi calling will be working unless u have provider who has it enabled ..
and another someone mentioned VoIP .. jesus dat is just internet.. so it is only over an app and over wifi or mobile network not signal reception network
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So it is automatically enabled, interesting, this what I was thinking.
Thanks for the confirmation !
Do you know of a way to test to see if VoLTE is working on a device ?
---------- Post added at 08:11 PM ---------- Previous post was at 08:07 PM ----------
duraaraa said:
So far I have tried...
T-Mobile US - VoLTE OK, but no Wifi Calling
AT&T US - No VoLTE, no Wifi calling
Docomo Japan - VoLTE OK. Wifi calling doesn't exit.
Softbank Japan - VoLTE OK. Wifi calling doesn't exit.
Interestingly, the Mate 20 Pro doesn't support VoLTE on T-Mobile US, but the 20 X does.
The phones have a whitelist of MNC/MCC to enable VoLTE/VoWifi options for. So unless your carrier is on that whitelist, you won't see the VoLTE option.
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How are you testing the phone to know if VoLTE is working or not ?
How can VoLTE work on one GSM carrier like TeamMobile & not on another GSM carrier like AT&T ?