Any fix for no data while in a call?? - Samsung Galaxy S10+ Questions & Answers

I realized while in a call the mobile data is gone which might be normal perhaps because it can only handle one thing through the modem......
I'm not sure, but just wanted to know if its not normal then anyone found a fix?
Thanks

Depends on the carrier, which carrier do you have?

flogger said:
I realized while in a call the mobile data is gone which might be normal perhaps because it can only handle one thing through the modem......
I'm not sure, but just wanted to know if its not normal then anyone found a fix?
Thanks
Click to expand...
Click to collapse
Sounds like you changed settings to LTE only to force VoLTE without carrier support. That would be the behavior to expect under such circumstances. Not saying you did btw.
Sent from my SM-G975W using XDA Labs

mrnovanova said:
Sounds like you changed settings to LTE only to force VoLTE without carrier support. That would be the behavior to expect under such circumstances. Not saying you did btw.
Click to expand...
Click to collapse
Thanks but no, I'm not forcing lte as there's no Volte here.
If there was then the problem wouldn't exist as those calls would go through mobile data and in that case the data wouldn't be cut.
Again, from what I've read around it really has to do with modem not being able to support 2 things at the same time like call (regular) + mobile data.
I just wanted to confirm more people are having this and that this behavior is kind of expected and not a glitch. As generally I have WiFi on I had never realised this until yesterday that I had WiFi off and was on a very long call and realised I couldn't access the Web at all.

same here
flogger said:
Thanks but no, I'm not forcing lte as there's no Volte here.
If there was then the problem wouldn't exist as those calls would go through mobile data and in that case the data wouldn't be cut.
Again, from what I've read around it really has to do with modem not being able to support 2 things at the same time like call (regular) + mobile data.
I just wanted to confirm more people are having this and that this behavior is kind of expected and not a glitch. As generally I have WiFi on I had never realised this until yesterday that I had WiFi off and was on a very long call and realised I couldn't access the Web at all.
Click to expand...
Click to collapse
Did you ever find anything out i'm experiencing the same thing?

In my experience (not with this device) if there is lte link when placing a call, the data would fallback on 3g network. If no lte, there will be no data at all

kams01 said:
Depends on the carrier, which carrier do you have?
Click to expand...
Click to collapse
And you're right, it does depend on carrier, however OP never told us. Lol. My brother has US Cellular and there is no data while on voice calls. That's just how their network is.

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Mirriors
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has anyone that was having freezing at the lock screen issues tried this and saw if it made any difference? also were we able to determine if this would keep people from receiving OTA updates?
heres a mirror guys :
http://www.megaupload.com/?d=PNS82HS7
anyone else having a issue when hanging up a call you can see it change from 1x to 3G, is the phone dropping out of 3G to make calls?
thats how the VZW network works that is completely normal
FireSokar said:
anyone else having a issue when hanging up a call you can see it change from 1x to 3G, is the phone dropping out of 3G to make calls?
Click to expand...
Click to collapse
It cuts off the Mobile Network when you get a call, as 3G while in a call is useless. After the call, the 3G cuts back on.
Thanks for the heads up was just making sure. I dont understand this part of the phone just the os level.
So, anyone find out what was fixed/updated?
Seems a lil faster. Youtubes still borked. I guess theres some wifi issues fixed as well.
FireSokar said:
Seems a lil faster. Youtubes still borked. I guess theres some wifi issues fixed as well.
Click to expand...
Click to collapse
Does your WiFi ever cut off when you're in a call?
What about the 3G to 1X issue that some of us are still seeing?
tbaker077 said:
What about the 3G to 1X issue that some of us are still seeing?
Click to expand...
Click to collapse
You mean when sending or receiving a text message? That's still there.
HTC calls that a "feature". I guess they don't know that's a battery killer.
I was using Wifi last night while on the phone if thats what you mean. i couldnt use the web browser with wifi off. Guess AT&T's commercial is true
FireSokar said:
I was using Wifi last night while on the phone if thats what you mean. i couldnt use the web browser with wifi off. Guess AT&T's commercial is true
Click to expand...
Click to collapse
A GSM advantage. CDMA doesn't support simultaneous Voice/Data transmission.
metasage said:
A GSM advantage. CDMA doesn't support simultaneous Voice/Data transmission.
Click to expand...
Click to collapse
This even reigns true with sending sms too. Hence switching to 1x when sending sms
explains why droid demonstrated the multitasking when using picture/mms/sms at the same time and the browser, instead of doing so during a call
Fire, you didn't know CDMA couldn't do simultaneous voice and data?
ataranine said:
You mean when sending or receiving a text message? That's still there.
HTC calls that a "feature". I guess they don't know that's a battery killer.
Click to expand...
Click to collapse
No, just when browsing, or doing nothing at all. The previous update was suppose to fix it, but then many of us noticed that update fix it partially. From what I have read and seen, the problem occurs way, way less now, but still not fully fixed. I had two different HTC tech support say that they kind of goofed up with that issue as its still not properly fixed.
metasage said:
A GSM advantage. CDMA doesn't support simultaneous Voice/Data transmission.
Click to expand...
Click to collapse
I think I read somewhere on this site a while back CDMA can support it now with the latest rev, but it would be fairly costly for the carriers to implement, and with 4G around the corner it is not worth their money to do so, unless phone manufactures really pressure and demand for it.

International Wifi Calling test

Has anyone actually tested out the wifi calling hack by actually going to another country and using it? I am curious because in "airplane mode" the wifi calling app says it will not connect in that mode. I read on the t-mobile site that you should disable data roaming before trying to connect via wifi but that leaves me with a really uneasy feeling. I mean what if it fails? How would you know until you got back to the US and had a ridiculous bill! Your voice antenna remains on? Why does it need that?
copter105 said:
Has anyone actually tested out the wifi calling hack by actually going to another country and using it? I am curious because in "airplane mode" the wifi calling app says it will not connect in that mode. I read on the t-mobile site that you should disable data roaming before trying to connect via wifi but that leaves me with a really uneasy feeling. I mean what if it fails? How would you know until you got back to the US and had a ridiculous bill! Your voice antenna remains on? Why does it need that?
Click to expand...
Click to collapse
WiFi calling isn't free.. It is just for people with poor signal.
It still uses your minutes
Masterâ„¢ said:
WiFi calling isn't free.. It is just for people with poor signal.
It still uses your minutes
Click to expand...
Click to collapse
I realize that. But let me rephrase: I would like to be able to use my minutes in another country utilizing wifi but avoiding international roaming charges. Has anyone tested this to see if it is possible?
copter105 said:
I realize that. But let me rephrase: I would like to be able to use my minutes in another country utilizing wifi but avoiding international roaming charges. Has anyone tested this to see if it is possible?
Click to expand...
Click to collapse
Ooh... Okay, you could always call & ask T-Mobile..
copter105 said:
Has anyone actually tested out the wifi calling hack by actually going to another country and using it? I am curious because in "airplane mode" the wifi calling app says it will not connect in that mode. I read on the t-mobile site that you should disable data roaming before trying to connect via wifi but that leaves me with a really uneasy feeling. I mean what if it fails? How would you know until you got back to the US and had a ridiculous bill! Your voice antenna remains on? Why does it need that?
Click to expand...
Click to collapse
I've used it in France and Germany and it worked fine. There were no surprise charges on my bill.
quadratic said:
I've used it in France and Germany and it worked fine. There were no surprise charges on my bill.
Click to expand...
Click to collapse
Thanks for your reply! Just out of curiosity, were you able to accept incoming calls ok?
copter105 said:
Thanks for your reply! Just out of curiosity, were you able to accept incoming calls ok?
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Click to collapse
I had incoming calls hard-forwarded directly to voicemail. On T-Mobile, if you're roaming internationally and your phone rings, you'll get charged for one minute even if you let it go to voicemail. I didn't feel like unforwarding every time I got on wifi, so I just left it as is.
I don't see any reason why it wouldn't have worked though. I've done it with my BlackBerry on UMA internationally and incoming worked fine.

VoLTE & WiFi Calling doesn't work

Anyone experiencing the title issue? It works after reboot for a while and eventually stops. I'm on .417 firmware but the issue started with previous version itself.
Sent from my F8332 using Tapatalk
Interesting.. No one have this issue?
Sent from my F8332 using Tapatalk
Which app do you use?
I use CSIPsimple. Works fine depending on latency of the network. Throughput is low (<100kBit/s) for best quality codec.
It sometimes has issues with the network configuration (WLAN). Then I use a TCP-VPN to circumvent the restrictions.
DHGE said:
Which app do you use?
I use CSIPsimple. Works fine depending on latency of the network. Throughput is low (<100kBit/s) for best quality codec.
It sometimes has issues with the network configuration (WLAN). Then I use a TCP-VPN to circumvent the restrictions.
Click to expand...
Click to collapse
Why do you talk about an app? VoLTE and WiFi calling are native features.
Sent from my F8332 using Tapatalk
LiveSquare said:
Why do you talk about an app? VoLTE and WiFi calling are native features.
Click to expand...
Click to collapse
Why not? You asked if it works and I told you.
Besides: CSIPsimple
Calling via SIP saves me tons of money when traveling abroad and I am not depending on the mercy of my carrier LTE or Hotspot-wise.
DHGE said:
Why not? You asked if it works and I told you.
Besides: CSIPsimple
Calling via SIP saves me tons of money when traveling abroad and I am not depending on the mercy of my carrier LTE or Hotspot-wise.
Click to expand...
Click to collapse
I didn't ask whether VoIP solution works or not. Please read my question again, if you are not sure what they are, it's fine not to answer.
But anyway thanks for your suggestion.
Sent from my F8332 using Tapatalk
LiveSquare said:
I didn't ask whether VoIP solution works or not. Please read my question again, if you are not sure what they are, it's fine not to answer.
But anyway thanks for your suggestion.
Click to expand...
Click to collapse
You are welcome.
I know what I am talking about - maybe my answer suites you not.
What you want to hear about (I learned from your tone and replies) is another VOIP solution. Ingrained in the operating system and depending on your phone company.
I do not use this because it is a drain on battery (esp. on permanent reception) and I it does not work in many places with my operator.
We are splitting hairs here...
I don't have this issue. Are you using the phone purchased in your own country or an imported version?
They may have some carrier-specific tuning in the local version.
DHGE said:
Why not? You asked if it works and I told you.
Besides: CSIPsimple
Calling via SIP saves me tons of money when traveling abroad and I am not depending on the mercy of my carrier LTE or Hotspot-wise.
Click to expand...
Click to collapse
I have imported version of xz dual, in my country its not offered by operator so i wont be able to flash rom with working wifi calling, can u pls give me more info how this SIP works. I will be very happy to get more details from you. Or is there other way to turn on wifi calling?
szuwx said:
can u pls give me more info how this SIP works
Click to expand...
Click to collapse
https://en.wikipedia.org/wiki/Voice_over_IP
and there: Protocols (SIP is only a minor aspect)
I use
https://www.sipgate.de/
There are other offers in Germany but they work very well and I use their service for over ten years now.
The best known VOIP service is Skype but I would not touch it (unless my customers demand it) because of privacy concerns.
Going with your chosen VOIP provider can give you great rates and with some or no effort works with every decent (low latency) IP-connection.
CSIPsimple has some operators preconfigured so you just have to type in your login credentials.
szuwx said:
I have imported version of xz dual, in my country its not offered by operator so i wont be able to flash rom with working wifi calling, can u pls give me more info how this SIP works. I will be very happy to get more details from you. Or is there other way to turn on wifi calling?
Click to expand...
Click to collapse
Maybe you can try this? (backup first!)
https://forum.xda-developers.com/crossdevice-dev/sony/enabling-volte-xperia-z2-xperia-z3-t3438505
l3enjamin said:
Maybe you can try this? (backup first!)
https://forum.xda-developers.com/crossdevice-dev/sony/enabling-volte-xperia-z2-xperia-z3-t3438505
Click to expand...
Click to collapse
I would not recommend this. You might end up with no calling at all or even a soft brick.
These phones are one generation behind and the software is for marshmallow.
DHGE said:
I would not recommend this. You might end up with no calling at all or even a soft brick.
These phones are one generation behind and the software is for marshmallow.
Click to expand...
Click to collapse
1. Wi-Fi calling is the option in "Wireless & networks" in settings that when you enable it, you can make phone call with the stock phone app through wi-fi just as you are using the 4G/3G network as long as your network provider supported. It is not the same with SIP because wi-fi calling is still associated with your SIM card and you can still use your mobile number to receive calls.
2. I understand that I refrain to provide a risky way because not everyone knows how to restore their phone, but without change to the kernel, there is very little chance that the phone cannot boot back to recovery.
l3enjamin said:
I don't have this issue. Are you using the phone purchased in your own country or an imported version?
They may have some carrier-specific tuning in the local version.
Click to expand...
Click to collapse
Bought in my own country and it was working fine until couple of updates ago. I'm in Singapore and using Singtel if it matters.
Sent from my F8332 using Tapatalk

Wifi Calling on PH-1

I have enabled Wifi Calling on my PH-1 and I know for a fact that my carrier supports it. It works fine too, but it's set to "Mobile Preferred". I chose this setting because my Wifi isn't too reliable. However, whenever I call, it uses Wifi even though I am getting LTE+? Is there any way to fix this?
Does anyone have any idea? I have looked all over the internet but have not found any solution? Could it possibly be my carrier?
When I try to enable wifi calling, my launcher crashes. So you are one step ahead of me
Sent from my PH-1 using Tapatalk
yqazi27 said:
I have enabled Wifi Calling on my PH-1 and I know for a fact that my carrier supports it. It works fine too, but it's set to "Mobile Preferred". I chose this setting because my Wifi isn't too reliable. However, whenever I call, it uses Wifi even though I am getting LTE+? Is there any way to fix this?
Click to expand...
Click to collapse
Is your phone a Sprint Variant?
I have a Sprint variant and wifi calling is working perfectly fine for me, I am rooted as well and also using Nova
mexicandroid said:
Is your phone a Sprint Variant?
Click to expand...
Click to collapse
I'm not sure. I have seen 3 Sprint system apps though under "Apps and Notifications", but I don't know if that counts. I got it straight from Amazon, if that helps.
yellk20 said:
I have a Sprint variant and wifi calling is working perfectly fine for me, I am rooted as well and also using Nova
Click to expand...
Click to collapse
yqazi27 said:
I'm not sure. I have seen 3 Sprint system apps though under "Apps and Notifications", but I don't know if that counts. I got it straight from Amazon, if that helps.
Click to expand...
Click to collapse
I finally got it working by installing the Open Market Oreo firmware, setting up WiFi calling them updating to Pie firmware
mexicandroid said:
I finally got it working by installing the Open Market Oreo firmware, setting up WiFi calling them updating to Pie firmware
Click to expand...
Click to collapse
Is there any way to do this without rooting or unlocking the bootloader? I want to preserve my warranty for as long as possible.
yqazi27 said:
Is there any way to do this without rooting or unlocking the bootloader? I want to preserve my warranty for as long as possible.
Click to expand...
Click to collapse
Not that I know of. I don't think they would look at your WiFi calling settings if sent out for repairs. Once you install Oreo open market firmware just relock the bootloader, setup your phone including TMobile WiFi calling settings. Once you update to Pie they shouldn't be able to tell anything because all different variants use the same firmware and your bootloader will be locked encase you send your phone out for repairs.
The other option is to use Google Voice. WiFi calling works great on it.
spotmark said:
The other option is to use Google Voice. WiFi calling works great on it.
Click to expand...
Click to collapse
But does it use your carrier phone number or are talking about the Google appointed number?
mexicandroid said:
But does it use your carrier phone number or are talking about the Google appointed number?
Click to expand...
Click to collapse
You do have to use your GV number. In my case it's irrelevant because I ported my number over to GV some time ago.
spotmark said:
You do have to use your GV number. In my case it's irrelevant because I ported my number over to GV some time ago.
Click to expand...
Click to collapse
So your carrier number and Google number are the same?
mexicandroid said:
So your carrier number and Google number are the same?
Click to expand...
Click to collapse
No, your carrier number will change. The port to GV takes approximately 24 hours. So you have to deal with a GV assigned number for a day. After that though you have your regular old number. I barely even know my new Verizon number as I don't give it to anybody. I figure this way, I'll never have to worry about WiFi calling or who my carrier is again.
spotmark said:
No, your carrier number will change. The port to GV takes approximately 24 hours. So you have to deal with a GV assigned number for a day. After that though you have your regular old number. I barely even know my new Verizon number as I don't give it to anybody. I figure this way, I'll never have to worry about WiFi calling or who my carrier is again.
Click to expand...
Click to collapse
I like having a different number for when I do mechanic work, don't want to get calls for every little thing at different times of the night, specially when it's unrelated to what I fixed lol
I have the same problem. Set my wifi calling to Mobile preferred but sometimes my calls use wifi calling even when I have cellular reception. Please let me know when you find a solution.
and I think it's funny that nobody addressed your original issue.
spotmark said:
No, your carrier number will change. The port to GV takes approximately 24 hours. So you have to deal with a GV assigned number for a day. After that though you have your regular old number. I barely even know my new Verizon number as I don't give it to anybody. I figure this way, I'll never have to worry about WiFi calling or who my carrier is again.
Click to expand...
Click to collapse
I also use this same setup and it works great.
coolmaster121 said:
When I try to enable wifi calling, my launcher crashes. So you are one step ahead of me
Click to expand...
Click to collapse
I have the same issue. It was working fine on Oreo. I tried flash.all fastboot using the stock firmware without success. Let me know if you have a solution. Ty
Edit: I got it fixed by flashing flashall back to stock Oreo 8.1 open market from Essential website then let it updated OTA to Pie and my WiFi calling still working fine.
Updated 10/22
My WiFi stopped working again after I turned it off but I can't turn it back on just like before. Any time I tried to turn it on the phone app forced close.
Considering thanks to T-Mobile's wonderful coverage (says I have good signal strength, but it's not) I have Wi-Fi calling enabled all the time and it works well on the 5Ghz ac side of the router...not so well on the 2.4Ghz b/g which is fine. Again something carrier specific. I went to Pie and kept the WiFi calling running.
Caltinpla said:
I have the same issue. It was working fine on Oreo. I tried flash.all fastboot using the stock firmware without success. Let me know if you have a solution. Ty
Edit: I got it fixed by flashing flashall back to stock Oreo 8.1 open market from Essential website then let it updated OTA to Pie and my WiFi calling still working fine.
Updated 10/22
My WiFi stopped working again after I turned it off but I can't turn it back on just like before. Any time I tried to turn it on the phone app forced close.
Click to expand...
Click to collapse
Updated 11/5
Surprisingly, my WiFi calling is now working after updated my phone to today's November security update.

Phone no longer ringing when the network is 4G LTE

Using the phones on Sprint.
Since three weeks or so, while on LTE, the incoming voice calls are going directly to voice mail.
Sprint looked at it and changed the Network to 3G and now getting a ring for the incoming calls.
Basically, I am forced to run the phones on 3G service.
Need to go to a service center (which is very far for me) to have the phone looked at.
Anyone facing similar issue?
PS: 2 of the 3 PH-1 phones I have, are having the issue.
Tom23824 said:
Using the phones on Sprint.
Since three weeks or so, while on LTE, the incoming voice calls are going directly to voice mail.
Sprint looked at it and changed the Network to 3G and now getting a ring for the incoming calls.
Basically, I am forced to run the phones on 3G service.
Need to go to a service center (which is very far for me) to have the phone looked at.
Anyone facing similar issue?
PS: 2 of the 3 PH-1 phones I have, are having the issue.
Click to expand...
Click to collapse
Google have updated the dialer recently several times, could it be a bug that shows on Sprint, or do you have spam settings on, which I know has caught other people out. Check/play with spam settings in her dialer app.
(other areas I might check (if not dialer or network). I assume all phones were working before correctly, right? Are they different sims or the same sim in different phones? New sims, ie not old one you have cut down hat are old spec. Do lte settings match on different phones?)
Tom23824 said:
Using the phones on Sprint.
Since three weeks or so, while on LTE, the incoming voice calls are going directly to voice mail.
Sprint looked at it and changed the Network to 3G and now getting a ring for the incoming calls.
Basically, I am forced to run the phones on 3G service.
Need to go to a service center (which is very far for me) to have the phone looked at.
Anyone facing similar issue?
PS: 2 of the 3 PH-1 phones I have, are having the issue.
Click to expand...
Click to collapse
Same issue. Did you get it fixed?
I also have this problem on Sprint.
Sometimes restarting the phone fixes the issue, sometimes it doesn't.
Between this and no longer being able to use Google Voice without using a separate number, I think it's time for me to bail on Sprint.
My wife had this issue a bit back. Only happened when the phone was using VoLTE (verified by a debug menu, *#*#4636#*#*, showing both voice/text and data marked as LTE).
Fix was to disable the Enhanced 4G LTE communications option, which forced the phone too fallback to nonVoLTE while still using LTE for data. Again confirmed using the phone information menu which showed voice as 1xRTT and data as LTE.
Hope this help and that we can get a better fix soon.
serenesilence said:
My wife had this issue a bit back. Only happened when the phone was using VoLTE (verified by a debug menu, *#*#4636#*#*, showing both voice/text and data marked as LTE).
Fix was to disable the Enhanced 4G LTE communications option, which forced the phone too fallback to nonVoLTE while still using LTE for data. Again confirmed using the phone information menu which showed voice as 1xRTT and data as LTE.
Hope this help and that we can get a better fix soon.
Click to expand...
Click to collapse
Has this fix worked for anyone?
jhill110 said:
Has this fix worked for anyone?
Click to expand...
Click to collapse
Dude... His post says this fix worked for him... And it has worked for others...
Sent from my PH-1 using Tapatalk
rignfool said:
Dude... His post says this fix worked for him... And it has worked for others...
Click to expand...
Click to collapse
Didn't work for me.
I turned off the advanced and re provisioned everything is good.
You are the type that likes to belittle people.... Thanks for your non help post.
jhill110 said:
Didn't work for me.
I turned off the advanced and re provisioned everything is good.
You are the type that likes to belittle people.... Thanks for your non help post.
Click to expand...
Click to collapse
Any time...
I love sharing my time with ungrateful idiots that can't bother to read or need the red carpet rolled out for them...
Good luck with your device... Hope you drop it in the river
Sent from my PH-1 using Tapatalk
rignfool said:
Any time...
I love sharing my time with ungrateful idiots that can't bother to read or need the red carpet rolled out for them...
Good luck with your device... Hope you drop it in the river
Click to expand...
Click to collapse
Frustrating isn't it.
autosurgeon said:
Frustrating isn't it.
Click to expand...
Click to collapse
Nah...
I just wish him ill and send him on his way...
Maybe he will learn to read... And realize his device is no more valuable than anyone else's...
But probably not...
Google Voice Essential Phone NO Ring Ring Fix
jhill110 said:
Didn't work for me.
I turned off the advanced and re provisioned everything is good.
Click to expand...
Click to collapse
Didn't work for me either but I figured it out... what I had to do is change a setting under Google Voice in Settings under the tab CALLS change to "Use carrier only" and I did have to turn VoLTE off. I left the Preferred network type as LTE. Phone is working well now, with T-mobile and Google Voice I have been testing it all morning.
:highfive:

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