Curiosity with wifi calling - T-Mobile Samsung Galaxy Note 3

So my Note 3 recently lost the ability to use wifi calling and since wifi calling was set to be enabled, I couldn't make any calls even with wifi turned off on my phone. I had to disable wifi calling completely to make a call. Since I have the JUMP program, they replaced my phone because something was actually wrong with it even after I did an Odin restore back to 4.3 stock. I never unlocked the bootloader or anything and it just stopped randomly. The part I'm curious about is when I went into the store one of the sales guys asked the guy that was assisting me if he had switched the SIM card yet. He hadn't but asked the guy helping me if I had an ISIS SIM card or a regular one. Right away I recognized ISIS as being the tap to pay program Verizon, ATT, TMobile and probably others have adopted over Google Wallet. He went back and got me a normal SIM card but that didn't work either. I got my new phone today and wifi calling is working just fine. But during the conversation the salesman said that the ISIS SIM card WILL NOT work with wifi calling. If they put in a normal SIM card, ISIS wont' work but wifi calling does. Its weird because I've used WIFI calling since I got the phone on launch day but I had an ISIS SIM card in it.
I know there is an issue with the quality of wifi calling for many people. Could the fact that wifi calling was somehow working on the ISIS SIM card causing the issue with wifi calling? I'm going to test the wifi calling for the next few days but for me the issue was the phone never rang on incoming calls with wifi calling. I missed 100% of the calls. I could call out just fine and the quality of the call was just fine.
So why can't an ISIS SIM card do wifi calling? Is this a known thing that I have missed all this time? Why would they put an ISIS SIM card in the phone when wifi calling is a feature so many people use?
[[EDIT]]
One thing did change actually. I called TMobile support about poor reception where I live even though their coverage map showed I was supposed to have excellent LTE quality. Well, the map was lying, I have no LTE at my house yet, but I should have strong 4G service. The tech reset my sim remotely and it did improve the reception for both calls and data. that may have been when I lost the wifi calling functionality and stopped being able to make outgoing calls.

My WiFi calling works just fine with an ISIS SIM.
I suspect you simply had a phone that was defective.
Sent from my SM-N900T using xda premium

I agree, it did go defective very recently but their reaction about the SIM card was said with confidence as it is a known thing. You can see a bunch of wifi calling issues and I wonder if the SIM card has something to do with them if its an ISIS SIM card. I have no intention of using ISIS so I wont' miss that SIM card.

Yeah, sounds like a bad phone and bad advice. Isis sim card works fine with wifi calling. Don't believe everything you hear from customer service, I've found most of those guys have a desire to be right so strong, they'll tell you anything to build trust as an intelligent person. Some are great, others not so much.
Sent from my SM-N900T using Tapatalk

The only SIM card I've had for my T-Mo Note 3 is an ISIS SIM card (it's the one that came with the phone and I didn't have T-Mo before this so I had no other SIM) and WiFi calling works just fine on my phone.

I got my Note3 few months back by mail, so I was using my old SIM card for couple weeks before I bothered to log on to T-mo and switch SIM card to new Isis. The Wifi calling didn't work well with old SIM card and it worked as bad with Isis card. I fixed it by updating the router software. and now it works fine with Isis and all. Unless it's a new bug in KK I don't think Isis has anything to do with WiFi, unless particular card was broken, but then cellular connection should be affected as well.

I can confirm that the ISIS SIM card works just fine with Wifi Calling. Whatever problem you may have had, had nothing to do with the ISIS SIM

Related

Such a thing as a "virtual SIM card"?

I'm going to be travelling in Europe and I wondered if anyone had ever heard of an app or hack or anything that would act like a "virtual sim card."
Basically, it would be cool if my phone could think it had one SIM in there, and then at the touch of a button, if it could think it had another. I'm planning on taking my T-Mobile US SIM to Europe to use WiFi calling from there to be able to talk/send and receive SMS for free from people in the US on my US number. When I'm not in a WiFi area, I'd like to be able to switch to a prepaid SIM that I'll purchase in Europe for data access when I'm out and about (and maybe some text/call abilities with a local number would be nice so I could communicate with friends in Europe).
If there's no way to do this with Android I'll probably just purchase a second smartphone and carry one with my T-Mobile SIM and the other with a European prepaid SIM (and that way I could make a WiFi hotspot so I'm always on WiFi calling).
Any suggestions? Has anyone ever heard of something like this? LIke some app that can "remember" a SIM that is inserted into the phone and then make the phone think that SIM is there when it's actually not? Something to make SIM switching a lot easier, or even something that could switch to the Euro SIM once every 10 minutes or so even when I'm on WiFi to check for new messages on the European number, then go back to the T-Mobile number and turn off all mobile radios so it can connect to WiFi calling.
I would also like this. I hate carrying two phones with me. My work phone has only voice. I would like to have my nexus 4 use my work Sim for voice and personal sim for data at same time.
If not then to be able to switch between them so one is active at a time would be cool.. I bet with a rooted and custom build of android this would be possible. But it is beyond my capabilities.
Sent from my Nexus 4 using xda app-developers app
How about a sim unlock instead? http://forum.xda-developers.com/showthread.php?t=2023709
Sent from my SGH-T999 using xda app-developers app
closest to that is a multiple sim, sim card i have no clue how to get or use them though and you might as well just unlock your phone anyway unless you need to do this without changing the physical sim but you may have to anyway with a multiple sim (probably turn it over or something)

Wifi Calling on Family Mobile

A really close friend of mine has the Galaxy S II (T-mobile) and is on Walmart's Family Mobile plan. It does come with WiFi Calling, but it says "Invalid SIM Card ERO5".
From what I remember, Family-Mobile runs through T-mobile's network and WiFi Calling does not cost T-mobile anything to provide us with Wi-Fi Calling. Any insights or solutions are greatly appreciated. Thanks.
Your sim card must be of a certain kind to allow the WiFi calling feature to work. For example, if a T-Mobile customer bought the s2 when it came out in 2011 and had an old/incompatible sim card, they would have to activate the new sim card that came with the purchased phone in order to be able to use the WiFi calling feature.
So a reasonable conclusion would be that the sim card you have currently in your device is NOT compatible. Unfortunately, I don't know the specifics, such as the name or kind of sim card you need, if u were to ask customer service for one. A description of your issue should suffice to let them know what it is that you need.
Hope I'm clear. Good luck.
Sent from my SAMSUNG-SGH-T989 using xda app-developers app
bzlik88 said:
Your sim card must be of a certain kind to allow the WiFi calling feature to work. For example, if a T-Mobile customer bought the s2 when it came out in 2011 and had an old/incompatible sim card, they would have to activate the new sim card that came with the purchased phone in order to be able to use the WiFi calling feature.
So a reasonable conclusion would be that the sim card you have currently in your device is NOT compatible. Unfortunately, I don't know the specifics, such as the name or kind of sim card you need, if u were to ask customer service for one. A description of your issue should suffice to let them know what it is that you need.
Hope I'm clear. Good luck.
Sent from my SAMSUNG-SGH-T989 using xda app-developers app
Click to expand...
Click to collapse
This is correct though the newer SIMs have been out since the first Samsung galaxy (vibrant) hit tmobile. I will say sometimes when I used to use ics ROM with Wi-Fi calling that some times it would throw an error and I would have to restart to get it running. You also need to usually login to the customer portal or call customer service and set the E911 address before it fully enables on the phone.
Wi-Fi calling is not that great, plenty of lag and other issues that make the call quality pretty bad even on great internet connections.
Especially with tmobile doing the $50 everything unlimited with no contact plan (and similar plans for contract phones), it's worth just going that way (tmobile even accepts customers with pretty bad credit so don't let that stop you).
If you want to stay with Wallys World for whatever reason I bet they also have a similar deal.
Sent from my SAMSUNG-SGH-T989 using Xparent Green Tapatalk 2
Hello, I am a former Family Mobile service user and i am sorry to inform you that Family Mobile does not offer WiFi calling.
I had a Galaxy S 4G with wifi calling, and when I upgraded to the T989 a couple months ago, wifi calling wouldn't work with my sim card (though everything else worked). I went to the Tmo store and they gave me a new SIM for free, and now everything works.
So if FM does support wifi calling, you may just need a newer sim card.
and wifi calling works great for me. clear, and no echo. It's actually better than every other voip app I tried on the market. I'm on unlimited, but I have a very weak signal at home, and therefore must use wifi calling
I have WFMobile and it seems to keep ER05 on my phone beeps and rings it's annoying. I have WiFi calling turned off. I don't know how to get away from it.
Many retail mobiles have "Wifi Calling" function but not any menu entry to enable , There is a APP can check the hidden function and enable it if can use.
https://play.google.com/store/apps/details?id=com.widget7.wifi.calling

Unlocked N9750 Dual Sim Mobile Network Connection issues with TMobile SIM installed

Hello,
I just purchased an unlocked Note10+ N9750 Dual Sim in Taiwan, and I am currently located in Taiwan. The phone is on the latest SOFTWARE update from September 1st. ...ASI3.
When I put 2 Taiwanese SIM cards in the phone, the mobile internet works flawlessly and is extremely fast (About 200/50 on each network) when selecting SIM1 or SIM2 for mobile internet, with WiFi disabled. I can switch the cards and it works as expected.
The icons usually show 4G+, although it can sometimes slip into 4G for 10-20 seconds or so.
However, when putting my Tmobile SIM card into SIM1 or SIM2 along with a Taiwanese SIM card, and selecting the Taiwanese SIM card for mobile DATA (The goal here is to use the Taiwanese SIM card for data when in Taiwan), the mobile data is extremely slow (Around 2/0.5).
Furthermore, most of the time, when trying to access the internet, it appears that the phone is trying to connect for the first 5-10 seconds before actually bringing back internet data.
This can be with an app, like Whatsapp, or a simple Google search, or a speed test.
The icons will show 4G+ or 4G, not sure there is a pattern here.
I have tried everything I could think of with roaming ON/OFF, moving the SIM cards around, etc.
APN for Tmobile is correct and setup for IPV4/6 for normal, and IPV4 for roaming.
Again, if I simply replace the Tmobile SIM card with another Taiwanese provider (2 Taiwanese SIM cards installed), the internet is super fast and instantaneous on either SIM card.
The Tmobile SIM is working as expected in a Note9 TMobile Single SIM.
Not sure if anybody has some insight on what may be going on here...
Coming from a Note9 and the Tmobile SIM is less than 1 year old if I recall.
Thank you.
I forgot to mention that if I go into the SIM DEVICE MANAGER with both a Taiwanese SIM card and the TMOBILE SIM card installed and disable the TMOBILE SIM, the internet works fast as expected on the Taiwanese SIM.
As soon as I re-enable the TMOBILE SIM card, the internet is slow again and takes 5-10 seconds before bringing data back from a Google search, etc...
That's because if you are overseas with T-Mobile it caps data speeds I believe at 256kpbs.
I'm guessing the order of the Sim somehow maybe coming into play . Also generally second sim position will give you Lower speeds
Hello Joogle,
I should have mentioned that I have the 15GB pass from Tmobile, so 4G speeds while roaming up to 15GB. The speed when on the Tmobile card is very fast, 50/10 or so.
This is not the issue I believe.
Does 2nd position really give slower speeds? I did not know that.
Interestingly, I am in China at the moment and put a Hong Kong SIM card in slot #2 with my TMOBILE SIM in slot#1. Selected sim#2 for data, and everything works great and is always fast.
Not sure what to make out of that.
Preferred Network is set to: LET/TD-SCDMA/UMTS.
A bit confused by all the options of 4G SWITCHER.
Well, I found out that if I put my TMOBILE SIM in 3G/2G mode only, and leave the Taiwan SIM card at 4G/3G/2G, everything works great and fast with no delay...
This is fine since 3G is good enough for phone calls and text messages.

Supplementary services not working on N975F/DS with AT&T

Hey so I am having an issue where the Supplementary Services on my N975F/DS are not working with AT&T but seems to work fine with a T-Mobile SIM. Whenever I try to open Supplementary Services with my AT&T SIM inserted it gives me an error "Failed to read data. Something went wrong. Check your SIM card or network connection, then try again."
I have already tried the following:
Replaced my AT&T SIM card twice
Reset Network settings
Spoke with multiple AT&T representatives who allegedly changed some stuff on the "backend" to fix it but in reality it did nothing.
I am on Android 10 running Dr.Ketan rom Q07. Only have 1 SIM card inserted, the other slot has my MicroSD card.
So any ideas on what I could try to get this fixed?
Thanks!
This isn't the answer you want but change carriers. I have the same device and AT&T didn't play nicely with it. Slow data and no wifi calling. I switched to TMobile (and mint for a cheap second line) and it works perfectly.
sansnil said:
This isn't the answer you want but change carriers. I have the same device and AT&T didn't play nicely with it. Slow data and no wifi calling. I switched to TMobile (and mint for a cheap second line) and it works perfectly.
Click to expand...
Click to collapse
I've thought about it for a while now, just didn't want to pull the trigger since I have everything with AT&T (been with them since they were CIngular/Pac-Bell). How's the coverage and signal strength compared to AT&T? Any downsides/issues after switching?
eL_MeXiCaNo said:
I've thought about it for a while now, just didn't want to pull the trigger since I have everything with AT&T (been with them since they were CIngular/Pac-Bell). How's the coverage and signal strength compared to AT&T? Any downsides/issues after switching?
Click to expand...
Click to collapse
That's a good question. I was an AT&T customer for 10+ years before bailing and I had some concerns about T-Mobile's coverage and network but I was pleasantly surprised their coverage was right there with AT&T and the Verizon phone I use for work. Coverage probably varies for everyone based on where they live but I've been using T-Mobile for almost a year and no regrets. It's a nice perk getting Netflix for $2 a month and they support RCS for text and Wifi calling. Btw, I don't work for T-Mobile or even own stock, just sharing my experience with them.
sansnil said:
This isn't the answer you want but change carriers. I have the same device and AT&T didn't play nicely with it. Slow data and no wifi calling. I switched to TMobile (and mint for a cheap second line) and it works perfectly.
Click to expand...
Click to collapse
sansnil said:
That's a good question. I was an AT&T customer for 10+ years before bailing and I had some concerns about T-Mobile's coverage and network but I was pleasantly surprised their coverage was right there with AT&T and the Verizon phone I use for work. Coverage probably varies for everyone based on where they live but I've been using T-Mobile for almost a year and no regrets. It's a nice perk getting Netflix for $2 a month and they support RCS for text and Wifi calling. Btw, I don't work for T-Mobile or even own stock, just sharing my experience with them.
Click to expand...
Click to collapse
You don't own stock? Well too bad, I'm sure my extra $50 a month would of made you a billionaire :laugh: xD
But yeah after extensive troubleshooting with multiple AT&T reps, replacing my SIM card multiple times and even trying my sisters AT&T SIM with the same error it is official that AT&T does not like non-AT&T phones. I got a prepaid T-Mobile SIM and popped it in to try it our for a month and boom Supplementary services works like a charm with it. So looks like I have to live with it until I decide to pull the trigger and switch to T-Mobile.
For everyone else who stumbles into this thread via google, you will get nowhere really with AT&T reps, nothing they do will fix this as it is an issue with AT&T itself and not the phone. So if you want to use call forwarding you will need to reach out to AT&T directly and have them set it up as not even MMI codes work... or just switch to T-Mobile. Hopefully AT&T does some backend changes to fix this and get it working but not holding my breath.
eL_MeXiCaNo said:
You don't own stock? Well too bad, I'm sure my extra $50 a month would of made you a billionaire :laugh: xD
But yeah after extensive troubleshooting with multiple AT&T reps, replacing my SIM card multiple times and even trying my sisters AT&T SIM with the same error it is official that AT&T does not like non-AT&T phones. I got a prepaid T-Mobile SIM and popped it in to try it our for a month and boom Supplementary services works like a charm with it. So looks like I have to live with it until I decide to pull the trigger and switch to T-Mobile.
For everyone else who stumbles into this thread via google, you will get nowhere really with AT&T reps, nothing they do will fix this as it is an issue with AT&T itself and not the phone. So if you want to use call forwarding you will need to reach out to AT&T directly and have them set it up as not even MMI codes work... or just switch to T-Mobile. Hopefully AT&T does some backend changes to fix this and get it working but not holding my breath.
Click to expand...
Click to collapse
can you get ATT VoLTE working with N975F? If yes, how?

AT&T No service

Resolved. Quick phone call to carrier. Needed to be activated with a signal.
Did anyone here with AT&T have a hard time getting the phone to activate?
I set the whole thing up over wifi with no Sim and used it for a couple of hours with no issues.
I needed my working phone for work so I didn't insert the Sim. When I got home I popped the Sim in and there was no service.
I tried inputting the apn and settings manually. The service would pop on then turn back off. I reset network settings. Didn't work.
I factory reset. Didn't work.
Of course a series on reboots, insert/eject Sim...
I've needed to do some work to get phone's activated before but this is different. The wifi turns itself off. The mobile data toggles on and off. And it heats up a bit. I tried doing a factory reset with Sim inserted but then when I tried to set it up, it could not connect to wifi with the Sim inserted. Remove it and wifi works again.
Im probably gonna go to AT&T tomorrow but this is weird. The phone is brand new.
Just thought I'd put it out there. Thanks
I'm on cricket. Only challenge was to provide cricket with an iphone imei so they could activate volte. I get volte but no wifi calling.
What device are you coming from?
gpz1100 said:
I'm on cricket. Only challenge was to provide cricket with an iphone imei so they could activate volte. I get volte but no wifi calling.
What device are you coming from?
Click to expand...
Click to collapse
Oneplus 5t. Pretty sure all I had to do was pop in the Sim.
I've had the OnePlus 7t (HD1905) for about 4 months now. Using AT&T and have had no problems at all with it. Popped the sim out of my OP6 and into the OP7t without skipping a beat.
foomanjackel said:
I've had the OnePlus 7t (HD1905) for about 4 months now. Using AT&T and have had no problems at all with it. Popped the sim out of my OP6 and into the OP7t without skipping a beat.
Click to expand...
Click to collapse
That was typically my experience too. But I even put the sim in my son's unlocked phone and it did the same thing. It was actually a relief because I thought that probably meant it was on the carrier's end. It was. I called tech support and they resolved it quick.
AT&T worked for me, excellent data speeds, and great signal. But at times it would go from 4 bars to absolutely no signal, and lots of dropped calls. After that I went to Verizon, not as good of signal, slower data, but no dropped phone calls or mysterious total loss of signal in an area where it should have been 4 bars.
Ever find out about this? I've been using my OP7T with AT&T for a few weeks and once in awhile have this same issue twice now. Nothing you do restores it, but it finally starts working on it's own.
May sound like an odd question, but since some of you guys are using AT&T, can you share your APN settings?
My OP7T is having some weird issues where the wifi hotspot just stopped passing data to any device connected to it. I've reset the phone, all the devices, and tried every combo of APN settings I can find, but it just won't work. It worked fine for months, then nothing.

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