I literally can't get any calls while connected to LTE. They all go to voicemail. I have been trying to figure this out for days. As soon as I turn off LTE I get calls on 3g with no problems. It also appears that when I'm on LTE if I make a call it had to drop to 3g before the call connects. Data works just fine. I have called sprint but they were less than helpful, updated prl and profile, and tried it in multiple different towns. Anyone have an idea of what to try next?
richse said:
I literally can't get any calls while connected to LTE. They all go to voicemail. I have been trying to figure this out for days. As soon as I turn off LTE I get calls on 3g with no problems. It also appears that when I'm on LTE if I make a call it had to drop to 3g before the call connects. Data works just fine. I have called sprint but they were less than helpful, updated prl and profile, and tried it in multiple different towns. Anyone have an idea of what to try next?
Click to expand...
Click to collapse
Whoops accidental thanks lol. If u check the other threads u will know that the way the new tri band phone's work, when on LTE all u get is data, on 3g u get voice and data, so while Ur connected to lte the only way to make or receive calls is for your phone to switch to 3g. This process should be automatic unless u manually changed something to force the phone one lte only.
Sent from my HTCONE using Tapatalk
luigi311 said:
Whoops accidental thanks lol. If u check the other threads u will know that the way the new tri band phone's work, when on LTE all u get is data, on 3g u get voice and data, so while Ur connected to lte the only way to make or receive calls is for your phone to switch to 3g. This process should be automatic unless u manually changed something to force the phone one lte only.
Sent from my HTCONE using Tapatalk
Click to expand...
Click to collapse
That is so false because when I'm on LTE at my local mall, I can send and receive texts just fine.... the OP must've messed with some sort of setting is my guess..?
I have not messed with any settings. This has been happening from day 1. It took me about an hour after I got home from the Sprint store to notice that all calls were going directly to voicemail when I'm on 4G. As soon as I turn off 4G I get all my calls with no problem. I have tried updating prl and profile as I said before, but I don't appreciate people assuming I changed some setting when I'm telling you I didn't change anything. When I'm on 4G there is a spark icon that is constantly showing and the signal bar is always showing 1 bar. I don't know if that's part of the problem or not. If anyone has a serious suggestion to help instead of just assuming I caused this please let me know. Thanks.
Joe0113 said:
That is so false because when I'm on LTE at my local mall, I can send and receive texts just fine.... the OP must've messed with some sort of setting is my guess..?
Click to expand...
Click to collapse
Actually text over lte is possible but voice over lte doesnt work for us.
There is a giant s4gru article that explains it all
Sent from my SM-G900P using XDA Premium 4 mobile app
richse said:
I have not messed with any settings. This has been happening from day 1. It took me about an hour after I got home from the Sprint store to notice that all calls were going directly to voicemail when I'm on 4G. As soon as I turn off 4G I get all my calls with no problem. I have tried updating prl and profile as I said before, but I don't appreciate people assuming I changed some setting when I'm telling you I didn't change anything. When I'm on 4G there is a spark icon that is constantly showing and the signal bar is always showing 1 bar. I don't know if that's part of the problem or not. If anyone has a serious suggestion to help instead of just assuming I caused this please let me know. Thanks.
Click to expand...
Click to collapse
If I read correctly on the s4gru website then the reason ur having this issue is because the tower is missing the 3g upgrade that handles this handoff which is called Circuit Switched Fallback*or enhanced Circuit Switched Fallback. Here's a link to the s4gru page with this info if u wish to learn more about it.
http://s4gru.com/index.php?/blog/1/...-due-to-circuit-switched-fallback-technology/
Sent from my One using Tapatalk
gtuansdiamm said:
Actually text over lte is possible but voice or lte doesnt work for us.
There is a giant s4gru article that explains it all
Sent from my SM-G900P using XDA Premium 4 mobile app
Click to expand...
Click to collapse
False again. When at the mall I can make/receive calls as well. You CANNOT use data and be on a call at the same time though (like I could on my S4).
Joe0113 said:
False again. When at the mall I can make/receive calls as well. You CANNOT use data and be on a call at the same time though (like I could on my S4).
Click to expand...
Click to collapse
So what your saying is that everything that we know about tri band phones is false? The tri band phones only have 1 antenna so it is impossible to use voice when connected to lte period. When u make a call Sprint kicks you off lte in order to use voice and when the call ends Sprint reconnects you to lte.
eCSFB Gap Issue – What you Need to know:
Smart devices require eCSFB to “fall back” to 3G to accept a voice call if the user is connected to the LTE network.
Taken directly from the link I posted
Sent from my HTCONE using Tapatalk
luigi311 said:
So what your saying is that everything that we know about tri band phones is false? The tri band phones only have 1 antenna so it is impossible to use voice when connected to lte period. When u make a call Sprint kicks you off lte in order to use voice and when the call ends Sprint reconnects you to lte.
eCSFB Gap Issue – What you Need to know:
Smart devices require eCSFB to “fall back” to 3G to accept a voice call if the user is connected to the LTE network.
Taken directly from the link I posted
Sent from my HTCONE using Tapatalk
Click to expand...
Click to collapse
Like I said, I'm not on LTE during the call.....
Joe0113 said:
Like I said, I'm not on LTE during the call.....
Click to expand...
Click to collapse
You made it hard to understand what u were saying since u said the guy u quote was giving false information and then said the same thing he explained
Sent from my HTCONE using Tapatalk
luigi311 said:
You made it hard to understand what u were saying since u said the guy u quote was giving false information and then said the same thing he explained
Sent from my HTCONE using Tapatalk
Click to expand...
Click to collapse
Because I thought he said that you can't receive calls or make calls if you are on 4G LTE. Which you can, but once you dial out, or accept the call, you have no data.
Simple miscommunication!!
Joe0113 said:
Because I thought he said that you can't receive calls or make calls if you are on 4G LTE. Which you can, but once you dial out, or accept the call, you have no data.
Simple miscommunication!!
Click to expand...
Click to collapse
I never said you can't get a call while on 4G. I said I can't receive a call while my phone is on 4G. Something about my phone or area of service causes my phone not to switch to 3g for incoming calls so the phone never rings
richse said:
I never said you can't get a call while on 4G. I said I can't receive a call while my phone is on 4G. Something about my phone or area of service causes my phone not to switch to 3g for incoming calls so the phone never rings
Click to expand...
Click to collapse
i've been having the same problem! I live on the outskirts of the spark network so i only get the regular lte at home. and i dont believe the towers have been upgraded here yet because i wont recieve calls or texts unless i call out on my phone which forces lte off for 3g etc. but if i drive 15 min. north where the "spark" network is deployed then i'll recieve my calls and texts appropriately because the towers are upgraded there.
so sadly i keep my phone on wifi and cdma mode while at home then whenever i go out i have to switch it to lte/cdma and restart the phone so i can utilize lte while im in a "spark" area.
its tedious and sometimes i forget to switch back when i get home.. its such a pain. Leave it to sprint to deploy phones before their network is even ready for them.
pyrochance said:
i've been having the same problem! I live on the outskirts of the spark network so i only get the regular lte at home. and i dont believe the towers have been upgraded here yet because i wont recieve calls or texts unless i call out on my phone which forces lte off for 3g etc. but if i drive 15 min. north where the "spark" network is deployed then i'll recieve my calls and texts appropriately because the towers are upgraded there.
so sadly i keep my phone on wifi and cdma mode while at home then whenever i go out i have to switch it to lte/cdma and restart the phone so i can utilize lte while im in a "spark" area.
its tedious and sometimes i forget to switch back when i get home.. its such a pain. Leave it to sprint to deploy phones before their network is even ready for them.
Click to expand...
Click to collapse
Well the places without the 3g upgrades is not that big so they probably just decided to jump on to tri band even though development wasn't complete. It's like saying they should of waited not not sold any LTE devices until they finished deploying LTE, which means they would of still had old devices being sold.
Sent from my HTCONE using Tapatalk
luigi311 said:
Well the places without the 3g upgrades is not that big so they probably just decided to jump on to tri band even though development wasn't complete. It's like saying they should of waited not not sold any LTE devices until they finished deploying LTE, which means they would of still had old devices being sold.
Sent from my HTCONE using Tapatalk
Click to expand...
Click to collapse
well i understand that but at least when they first started selling the lte devices; the devices would still received calls and texts. because even though the lte may not have been upgraded/deployed or whatever yet. the cell phones themselves were compatible with the old network as is. but with these spark devices, they are deploying phones that may or may not work (the main point of a phone is being able to send/receive calls or texts etc) depending on where you are because half of the towers aren't upgraded for csfb
"Circuit Switched Fallback is a great solution to the issue of Sprint Triband LTE smartphones. But the problem here is that the Sprint network is being upgraded in Network Vision, and not all Sprint parts of the Sprint network can currently support CSFB. And it affects all Sprint Triband LTE phones, not just the Nexus 5 and LG G2." quote from http://s4gru.com/index.php?/blog%2...-technology/
and the problem here is the phone is supposed to be able to detect that the lte towers in my area dont have csfb and therefore switch back to cdma. But it doesnt, so it stays connected to lte and i never receive any calls or texts. but when i drive north to a spark network area the csfb works appropriately. So this leads me to believe its a network issue and not that my phone is a lemon.
idk maybe im just blowing hot air here but its frustrating that the most important part of my phone does not work properly for whatever reason in my hometown where i spend most of my time.
pyrochance said:
well i understand that but at least when they first started selling the lte devices; the devices would still received calls and texts. because even though the lte may not have been upgraded/deployed or whatever yet. the cell phones themselves were compatible with the old network as is. but with these spark devices, they are deploying phones that may or may not work (the main point of a phone is being able to send/receive calls or texts etc) depending on where you are because half of the towers aren't upgraded for csfb
"Circuit Switched Fallback is a great solution to the issue of Sprint Triband LTE smartphones. But the problem here is that the Sprint network is being upgraded in Network Vision, and not all Sprint parts of the Sprint network can currently support CSFB. And it affects all Sprint Triband LTE phones, not just the Nexus 5 and LG G2." quote from http://s4gru.com/index.php?/blog%2...-technology/
and the problem here is the phone is supposed to be able to detect that the lte towers in my area dont have csfb and therefore switch back to cdma. But it doesnt, so it stays connected to lte and i never receive any calls or texts. but when i drive north to a spark network area the csfb works appropriately. So this leads me to believe its a network issue and not that my phone is a lemon.
idk maybe im just blowing hot air here but its frustrating that the most important part of my phone does not work properly for whatever reason in my hometown where i spend most of my time.
Click to expand...
Click to collapse
I know it's the reason I got rid of LG g2 but the only thing to do right now is put the phone in cdma only and keep checking if they upgrade towers yet
Sent from my SM-G900P using Xparent BlueTapatalk 2
Joe0113 said:
Because I thought he said that you can't receive calls or make calls if you are on 4G LTE. Which you can, but once you dial out, or accept the call, you have no data.
Simple miscommunication!!
Click to expand...
Click to collapse
According to S4GRU what you are saying is wrong. In order for your phone to ring it kicks you off LTE. Circuit Switched Fallback. When you are connected to LTE your phone receives 0 CDMA signals (this includes voice). When sprint is trying to send voice to your phone, if the CDMA cannot be routed to your phone, the LTE network is checked for your phone, if found the LTE network drops you so the CDMA signal can get to your phone.
Give it a try. Make sure you are connected to LTE and data is in use. Have someone call your phone. Watch your LTE indicator change to grayed out, and switch to CDMA before your phone starts ringing.
sporklover said:
According to S4GRU what you are saying is wrong. In order for your phone to ring it kicks you off LTE. Circuit Switched Fallback. When you are connected to LTE your phone receives 0 CDMA signals (this includes voice). When sprint is trying to send voice to your phone, if the CDMA cannot be routed to your phone, the LTE network is checked for your phone, if found the LTE network drops you so the CDMA signal can get to your phone.
Give it a try. Make sure you are connected to LTE and data is in use. Have someone call your phone. Watch your LTE indicator change to grayed out, and switch to CDMA before your phone starts ringing.
Click to expand...
Click to collapse
Finally someone researches this, even though I put the link to it you would be surprised how no-one will open it or not even bother to read it since its kinda on the long side.
Sent from my HTCONE using Tapatalk
sporklover said:
According to S4GRU what you are saying is wrong. In order for your phone to ring it kicks you off LTE. Circuit Switched Fallback. When you are connected to LTE your phone receives 0 CDMA signals (this includes voice). When sprint is trying to send voice to your phone, if the CDMA cannot be routed to your phone, the LTE network is checked for your phone, if found the LTE network drops you so the CDMA signal can get to your phone.
Give it a try. Make sure you are connected to LTE and data is in use. Have someone call your phone. Watch your LTE indicator change to grayed out, and switch to CDMA before your phone starts ringing.
Click to expand...
Click to collapse
No ISH, you still receive the call though, that's what I am trying to say..................
This whole thing is extremely depressing, just got this phone today and it's one of the first things I relized..sure I can put it on 3g and sit tight like that but come on the whole point in getting the newest flagship is how it's better than everything else, and sprint can't make it work right (yet). I noticed with my area that as long as the data is not actively loading a page or downloading it will switch to 3g and calls will come in but if it's load strait to voicemail..hope they get it all fixed the way it's supposed to be soon enough.
Related
AT&T customer service told me today that the HSPA+ network is capable of simultaneous voice and data, but that the LTE network is not (yet). She said that if you receive a call while using data, the phone will drop back to HSPA+. She also said that it may take awhile before the Skyrocket goes back into LTE mode. So she told me to put my phone is Airplane Mode for 15 seconds and that this would reconnect me to LTE if it's available.
Can anyone confirm this? I don't have my Skyrocket yet.
i have not seen my phone ever not have the lte signal up top. unless i get NO signal when im at my job. which normal for me.
and thats after calls as well.
i can confirm that LTE is NOT capable of doing voice AND data at the same time. So yes your phone will switch back to "4g" (or slower) during all phone calls. I don't know how long it'll take to switch back.
My phone used to'do this..after the 2.3.6 update it stop
Sent from my SAMSUNG-SGH-I727 using XDA App
This is correct. We were testing it over the weekend.
We even tried using Google voice to make the call and override the switch but the phone apk itself appears to initiate the switch from lte to hspa. This is not new info...it has been speculated that this would be the case.
I see some report the update changed this so I will test that tomorrow.
In testing the phone immediately switched back to lte after the call. The consensus seems to be that if your phone does not switch back you need either the new sim, reprovisioning on Matt's end or both. This seems to fix data connectivity issues and network type swapping issues that many are having
Sent from my SGH-T989 using XDA App
I have the ATT HOX and want to disable LTE due to the known issues with missed calls etc. Would it be possible to disable it through root access WITHOUT installing a custom ROM?
I'm not sure what AT&T do to their phones but can you not change it via Settings > Mobile Network > Network mode.
Sent from my HTC One XL using xda premium
thejosh86 said:
I'm not sure what AT&T do to their phones but can you not change it via Settings > Mobile Network > Network mode.
Sent from my HTC One XL using xda premium
Click to expand...
Click to collapse
That's how it's done on my Rogers device.. should be the same on all.
this_is_nick6 said:
That's how it's done on my Rogers device.. should be the same on all.
Click to expand...
Click to collapse
Same on Telstra
Phone: HTC One XL
ROM: AOKP 4.2.1 MR1 preview w/ alloy blue theme
Launcher: Apex w/glaskart icons
Att one x doesn't have that function. Try to do it in service menu trying typing in *#*#4636#*#*
Go to phone info and scroll down. It works for me on clean Rom but not sure about stock rom
a670 said:
I have the ATT HOX and want to disable LTE due to the known issues with missed calls etc. Would it be possible to disable it through root access WITHOUT installing a custom ROM?
Click to expand...
Click to collapse
What known missed calls issue? What would LTE have to do with missed calls? LTE on AT&T is data only. It doesn't do anything with calls. You can dial *#*#4636#*#* and try to set it to gsm only or something.
Sent from my One X using Tapatalk 2
Believe me I have tried. It's not possible. But ik you said you didn't want to, but you really should look into custom ROMs. There's some that are basically stock with just better battery
Except for ATT. Its a well documented fact that they have it disabled. Any changes you make revert back to default.
this_is_nick6 said:
That's how it's done on my Rogers device.. should be the same on all.
Click to expand...
Click to collapse
Its a fairly well known issue with ATT and LTE phones.
As far as I can tell since LTE IS data only it has a hard time receiving calls when its connected to the LTE network. I think it has something to do with only having 1 antenna and it cant communicate on voice and data at the same time. Or, maybe not.:silly: All I know is that when my phone is connected to LTE I will not receive phone calls. All calls will ring a few times and then go to voice mail. I eventually get voice message notifications when the phone switches out of LTE.
Any changes made in the field test mode do not stick. Thank you very much ATT.
pside15 said:
What known missed calls issue? What would LTE have to do with missed calls? LTE on AT&T is data only. It doesn't do anything with calls. You can dial *#*#4636#*#* and try to set it to gsm only or something.
Sent from my One X using Tapatalk 2
Click to expand...
Click to collapse
a670 said:
Its a fairly well known issue with ATT and LTE phones.
As far as I can tell since LTE IS data only it has a hard time receiving calls when its connected to the LTE network. I think it has something to do with only having 1 antenna and it cant communicate on voice and data at the same time. Or, maybe not.:silly: All I know is that when my phone is connected to LTE I will not receive phone calls. All calls will ring a few times and then go to voice mail. I eventually get voice message notifications when the phone switches out of LTE.
Any changes made in the field test mode do not stick.
Click to expand...
Click to collapse
I've had 3 different LTE phones on AT&T and never had issues with missed calls and I'm constantly on a LTE connection. My phone kicks to hspa+ right before I receive a call and then it rings. Goes back to LTE about 30 seconds after I hang up. The only thing I can think of is that you are on LTE only in the field test mode thing. That will definitely give you call problems. What does it say that you are connected to when you go into the phone information menu?
Sent from my One X using Tapatalk 2
pside15 said:
I've had 3 different LTE phones on AT&T and never had issues with missed calls and I'm constantly on a LTE connection. My phone kicks to hspa+ right before I receive a call and then it rings. Goes back to LTE about 30 seconds after I hang up. The only thing I can think of is that you are on LTE only in the field test mode thing. That will definitely give you call problems. What does it say that you are connected to when you go into the phone information menu?
Sent from my One X using Tapatalk 2
Click to expand...
Click to collapse
I've had a few LTE phones too but I can confirm that this is an issue with AT&T and the HOX. (At least in certain areas.) The phone is *supposed* to do what you said and switch off LTE when a call comes in but that doesn't always happen. I've noticed it the most at my office where I usually have 4 bars of "4G LTE" or one or two bars of "4G". I'll have a long period of time with no incoming calls or texts and then when I make a call (and the phone switches to "4G") I get the backlog of voicemails and text messages. Hard resets haven't helped and AT&T refuses to admit that it's a problem.
Heres a summary of what I have found:
1 Being in field test mode does not affect incoming calls.
2. When making outgoing phone calls with LTE or HSPA displayed in field test mode, the connection will switch to UMTS and then revert back to LTE or HSPA after hanging up. I dont know what that means, just throwing it out there.
3. On a few occasions during my testing I have noticed that I could not receive calls when HSPA is displayed in field test mode. I think that the phone had just switched from LTE, although I havent been able to 100% verify that.
4. My connection at my house varies between LTE, HSPA,EDGE.
5. EDGE is great. My phone makes and receives calls all day long when I have a EDGE connection.
6. Most of my testing has been at home where I have crappy reception to begin with. On a few occasions when I had my wife with me I had her call my phone(connected to LTE). Same as when at home, my pone never rings.
pside15;36112809]I've had 3 different LTE phones on AT&T and never had issues with missed calls and I'm constantly on a LTE connection. My phone kicks to hspa+ right before I receive a call and then it rings. Goes back to LTE about 30 seconds after I hang up. The only thing I can think of is that you are on LTE only in the field test mode thing. That will definitely give you call problems. What does it say that you are connected to when you go into the phone information menu?
Sent from my One X using Tapatalk 2[/QUOTE]
ITNV said:
I've had a few LTE phones too but I can confirm that this is an issue with AT&T and the HOX. (At least in certain areas.) The phone is *supposed* to do what you said and switch off LTE when a call comes in but that doesn't always happen......".
Click to expand...
Click to collapse
Exactly!
I have Samsung Galaxy S3 on AT&T and I have same issue when connected to LTE. I have been working with AT&T CSR for over a week and no resolution yet. I have talked them into switching my data plan from 300MB LTE to Unlimited Standard Phone data plan. (Unlimited standard phone data plan uses HSPA+ and not LTE, which would resolve the issue)
From what I have understood so far, its not the phone, its the AT&T LTE network.
Wouldnt people with the same phone have more answers for you?
Sent from my HTC One XL
Who are you talking to
954wrecker said:
Wouldnt people with the same phone have more answers for you?
Sent from my HTC One XL
Click to expand...
Click to collapse
AlwaysNoob said:
I have Samsung Galaxy S3 on AT&T and I have same issue when connected to LTE. I have been working with AT&T CSR for over a week and no resolution yet. I have talked them into switching my data plan from 300MB LTE to Unlimited Standard Phone data plan. (Unlimited standard phone data plan uses HSPA+ and not LTE, which would resolve the issue)
From what I have understood so far, its not the phone, its the AT&T LTE network.
Click to expand...
Click to collapse
I didnt even know that kind of plan existed. Have you switched over yet? Does it work?:fingers-crossed:
a670 said:
I have the ATT HOX and want to disable LTE due to the known issues with missed calls etc. Would it be possible to disable it through root access WITHOUT installing a custom ROM?
Click to expand...
Click to collapse
Have you tried this? http://forum.xda-developers.com/showpost.php?p=27732183&postcount=8
954wrecker said:
Wouldnt people with the same phone have more answers for you?
Sent from my HTC One XL
Click to expand...
Click to collapse
No, because this issue is not related to the phone but its related to AT&T LTE network. So everyone on AT&T LTE network has same issue and not only people with HTC one X.
---------- Post added at 03:20 PM ---------- Previous post was at 03:17 PM ----------
a670 said:
I didnt even know that kind of plan existed. Have you switched over yet? Does it work?:fingers-crossed:
Click to expand...
Click to collapse
I was on phone with them last night. They have created a case number for me so their "technical team" can look into it. They promised me to get back to me before friday on this.
For changing the data plan, the CSR tried to change it but it didnt work yesterday. I blame it on the CSR because I know some people on XDA has done that before. I am gonna call them again and have a different CSR try it or me.
And plus, with this change, you get unlimited HSPA+ for just $10.
cr1960 said:
Have you tried this? http://forum.xda-developers.com/showpost.php?p=27732183&postcount=8
Click to expand...
Click to collapse
Thanks for the link. Those settings actually worked for me. I had already tried a couple different APN configs but none of them seemed to stick.
So, now I have successfully disabled LTE.
Unfortunately, I'm still having intermittent missed calls with the phone connected to HSPA. Also, At work in certain areas, we have rock solid LTE reception and guess what...no missed calls. WTFrack?
At home the only time I can get regular calls is when the phone is connected to EDGE.
I seriously think that there must some relationship between 4G/LTE and signal strength. Does anyone know If EDGE and 4G/LTE use the same towers or same power outputs?
I am in an area where there is the eCFSB gap problem. For those not aware this is basically where my area has lte but triband devices can't get it. So yesterday I was surprised that I was finally connected to lte. I thought it was finally fixed. Now my problem is I can connect to lte but I can't make phone calls. What happens is I'll try and make a call the lte will disappear like it's supposed to and it will say call sent. Then it will immediately say call failed and lte will reappear. If I turn lte off and back to 3g then phone calls work. I can receive calls just fine on lte I just can't make them. Anyone else with this problem? Thanks.
Sent from my SPH-L900 using xda premium
Could you provide more detail? Service provider, kernel, Rom, if your SIM card is an LTE one or from an older phone that didn't support lte.
Sent from my Nexus 5 using Tapatalk
FuMMoD said:
Could you provide more detail? Service provider, kernel, Rom, if your SIM card is an LTE one or from an older phone that didn't support lte.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Yeah I'm sorry I'm so used to just having a sprint only section. I'm on sprint. I got the phone from sprint so it already had the sim in it. Stock rom/kernel rooted.
Sent from my SPH-L900 using xda premium
I have the same issue, but only in some areas. I do not get any incoming calls when I am in LTE area, if I change it 3G i get the calls.
You are not alone. I'm on MetroPCS gsm which is basicly T-Mobile. Anyways, I forced my phone to stay on LTE only and I was not able to make or receive any calls whatsoever. Make sure your phone is on automatic mode and not force LTE on becuase that was the only way i was able to get the issue to occur was through force lte on. There's a few threads regarding this issue that might be a good read especially for sprint.
http://forum.xda-developers.com/showthread.php?t=2532719&highlight=lte
Anybody else having this issue? LTE works fine until..it doesn't, and then even if I was getting LTE in the exact same spot, it never jumps back on it. Once it's in 3G, it stays 3G until I restart. Any way to fix this?
drbadass said:
Anybody else having this issue? LTE works fine until..it doesn't, and then even if I was getting LTE in the exact same spot, it never jumps back on it. Once it's in 3G, it stays 3G until I restart. Any way to fix this?
Click to expand...
Click to collapse
You are in a area where they have not fixed circuit fallback. ... they made the phone do this so you would get calls and text ... triband phones use cfbs to push through calls so if your connected to lte you will not get calls and text.
Read this it will explain much betterhttp://s4gru.com/index.php?/blog/1/...-due-to-circuit-switched-fallback-technology/
Sent from my SM-G900P using Xparent BlueTapatalk 2
Epix4G said:
You are in a area where they have not fixed circuit fallback. ... they made the phone do this so you would get calls and text ... triband phones use cfbs to push through calls so if your connected to lte you will not get calls and text.
Read this it will explain much betterhttp://s4gru.com/index.php?/blog/1/...-due-to-circuit-switched-fallback-technology/
Sent from my SM-G900P using Xparent BlueTapatalk 2
Click to expand...
Click to collapse
I get what you're saying, but I don't believe that's it-- I stay on 4G most of the time, but once I get a call and it shifts me back to 3G, it never moves me back to 4G after the call. It just sits on 3G until I cycle airplane mode or restart the phone.
drbadass said:
I get what you're saying, but I don't believe that's it-- I stay on 4G most of the time, but once I get a call and it shifts me back to 3G, it never moves me back to 4G after the call. It just sits on 3G until I cycle airplane mode or restart the phone.
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The article listed is the problem your having. You are not the only one and calling Sprint is a waste of time as most dont know what your talking about.
Sent from my SM-G900P using xda app-developers app
pastert33 said:
The article listed is the problem your having. You are not the only one and calling Sprint is a waste of time as most dont know what your talking about.
Sent from my SM-G900P using xda app-developers app
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Actually, if you read, it's not. If I wasn't in a CSFB market, then I wouldn't connect to LTE at all except for a moment, and then drop off. I do connect to LTE, and receive calls without a problem. But let's say I pick up my phone and walk into another room where the LTE signal isn't as good, and my phone drops to 3G-- when I come back to the good LTE reception room, it should reconnect, like my previous phone would. Instead, it doesn't. It has nothing to do with CSFB.
drbadass said:
Actually, if you read, it's not. If I wasn't in a CSFB market, then I wouldn't connect to LTE at all except for a moment, and then drop off. I do connect to LTE, and receive calls without a problem. But let's say I pick up my phone and walk into another room where the LTE signal isn't as good, and my phone drops to 3G-- when I come back to the good LTE reception room, it should reconnect, like my previous phone would. Instead, it doesn't. It has nothing to do with CSFB.
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Ok well good luck getting help fixing this problem with an atittude like that. Since I've had this phone, I mostly see 3G but with my S4, I never saw 3G. I can get it to be on LTE all day long when det to LTE only. Its something to do with 3G/LTE hand off and the single band data/voice radio.
Sent from my SM-G900P using xda app-developers app
pastert33 said:
Ok well good luck getting help fixing this problem with an atittude like that. Since I've had this phone, I mostly see 3G but with my S4, I never saw 3G. I can get it to be on LTE all day long when det to LTE only. Its something to do with 3G/LTE hand off and the single band data/voice radio.
Sent from my SM-G900P using xda app-developers app
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My "attitude" was simply to correct you, since you either didn't read the article or didn't understand what I'm talking about.
I can agree it's probably something to do with the hand-off and/or the radio/how aggressively it decides to change connections, but that's not CSFB.
drbadass said:
Anybody else having this issue? LTE works fine until..it doesn't, and then even if I was getting LTE in the exact same spot, it never jumps back on it. Once it's in 3G, it stays 3G until I restart. Any way to fix this?
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try clicking airplane mode, and then back off...that should reset it
i randomly run into this...but most of the time it gains LTE
Well the problem of receiving a call and losing the 4g signal and therefore the Internet has a solution? Or is it a problem that characterizes the oneplus :confuso:
??? if you mean that when you receive a call 4G turns to 3G thats just how it works, as voice has a different signal frequency to 4G. Some sim companies will support some phones to have VoLTE or Voice over LTE basically allowing you to keep your 4G signal while calling and have a higher definition and quality of call. But ye its not an issue normally thats just how it works.
Mofo50C said:
??? if you mean that when you receive a call 4G turns to 3G thats just how it works, as voice has a different signal frequency to 4G. Some sim companies will support some phones to have VoLTE or Voice over LTE basically allowing you to keep your 4G signal while calling and have a higher definition and quality of call. But ye its not an issue normally thats just how it works.
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No. I mean that when entering a call, the data is cut off as if it were turned off. And when the call ends, the data signal comes back, this has never happened to me only with the oneplus. And it's annoying to be downloading or playing and losing because of this problem
avirale123 said:
No. I mean that when entering a call, the data is cut off as if it were turned off. And when the call ends, the data signal comes back, this has never happened to me only with the oneplus. And it's annoying to be downloading or playing and losing because of this problem
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I just told you it's normal for it to turn from 4g to 3g when your in a call
Mofo50C said:
I just told you it's normal for it to turn from 4g to 3g when your in a call
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It can not be normal that when a call is received, the data is deactivated
Data goes off when in call. Wifi will still work im call if connected to it
avirale123 said:
It can not be normal that when a call is received, the data is deactivated
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Omg you asked the question I answered you and now your arguing with me do you want an answer or an argument?
Mofo50C said:
Omg you asked the question I answered you and now your arguing with me do you want an answer or an argument?
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You didn't understand his question.
Whenever he's on a call, the data gets deactivated, not going from 4G to 3G, not even down to H... He can't use the internet at all, and that's his problem.
BunnyPig said:
You didn't understand his question.
Whenever he's on a call, the data gets deactivated, not going from 4G to 3G, not even down to H... He can't use the internet at all, and that's his problem.
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Ok well I don't know then if it comes back after the call ends it 100% has something to do with the SIM carrier or the network type.
Mofo50C said:
Ok well I don't know then if it comes back after the call ends it 100% has something to do with the SIM carrier or the network type.
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You seemed pretty confident a few posts back to start an argument over it ...
only4dank said:
You seemed pretty confident a few posts back to start an argument over it ...
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He wasn't explaining it properly and it clearly doesn't affect anything at all. If it loses 4g during call and comes back after call then it's probably fine that's why i was confident it probably had something to do with the way his network is configured other than that in still confident it's normal
Mofo50C said:
He wasn't explaining it properly and it clearly doesn't affect anything at all. If it loses 4g during call and comes back after call then it's probably fine that's why i was confident it probably had something to do with the way his network is configured other than that in still confident it's normal
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As he mentioned very clearly in his 2nd post (pretty clear in first)... When he makes a phone call, during that call he cannot access internet (aka mobile data). Not once did he say anything about switch from 4G to 3G (like you randomly for some reason said was happening, even though it wasn't).
What isn't clear is what you are trying to say without punctuation !
only4dank said:
As he mentioned very clearly in his 2nd post (pretty clear in first)... When he makes a phone call, during that call he cannot access internet (aka mobile data). Not once did he say anything about switch from 4G to 3G (like you randomly for some reason said was happening, even though it wasn't).
What isn't clear is what you are trying to say without punctuation !
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Well maybe, just mabe the way his mobile data is configured to be 4g only. Just thinking...
Normally 4g shuts off on voice calls if not on VoLTE.
Mofo50C said:
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The change from 4g to 3g is normal when I make the call. When I receive the call this does not happen, it is as if the mobile data (Internet access) was deactivated. When playing online, I receive a call immediately, I lose my Internet connection due to the call, it happens on the Oneplus 5 and 6.
rhai said:
Well maybe, just mabe the way his mobile data is configured to be 4g only. Just thinking...
Normally 4g shuts off on voice calls if not on VoLTE.
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It happens in any type of network. When receiving a call immediately the mobile data is disabled
Yes, if you do not have VoLTE enabled for whatever reason (carrier might doesn't support it) you will lose mobile data once the connection downgrades to 3g for the call. This is completely normal. It does come back after the call is finished, as it is the case in your scenario as well. There is nothing you can do about it as far as I know, except getting VoLTE to work.
Seems normal to me. Classic 3G networking only uses one antenna. So when a call is placed, Data is cut off.
With H+ (3G+), which uses two combined antennas, you can have calls and Data at the same time, but it won't always work. It's always been like that for me on all my phones !
All in all, it's related to your network, that's just how it works. Only VoLTE would really solve that.
Go into the settings of your phone app, go to Sim and Network and make sure you have 2G/3G/4G automatic selected. If not select it and reboot then call mom
Firstly, make sure your provider supports volte. Next, make sure your apns are correct on your sim to support this. Then try this: https://forum.xda-developers.com/on...te-forcefully-activated-t3797538/post76670517
For those of you in the USA that may have issues using text or voice over WiFi but NOT over volte, the above may help you as well. I know it helped me.