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I want to know if this is possible at all, does anyone know of any ways to put a verizon phone on sprints network? I think it has been done before, I will buy this phone if I can get 3g to work on sprint
Nope, VZW and Sprint operate at 2 different frequencies AND if you could somehow do it I don't think Sprint allows Third Party/Unlocked Phones.
actually they are teh same frequencies. how else would our roaming on verizon's network work?
shakuyi said:
actually they are teh same frequencies. how else would our roaming on verizon's network work?
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Yea I actually think you are right because verizon and sprint share a tower here in Virginia. But sprint would never allow it.
Sent from my Galaxy Nexus using XDA App
I've been told different things by different reps at different Sprint locations. One guy in-store told me that it's "very possible" but that the customer has to do all the unlocking, etc. Another rep at one of their call centers reiterated the same. "If you unlock it, we can do it. Otherwise, there's nothing we can do."
So the question remains, how can we unlock it? I'd LOVE to stay with Sprint. Does anyone have expertise in this area? I've seen a few threads on this and they all seem to go unanswered...wondering if it's not a popular topic or if it's something we shouldn't be discussing?
Thanks!
Run around clockwise half naked below freezing while chanting "goosfrabah"...
Seriously no need to be posting such a thread. It's been posted and debated and talked about. Google and such should be your friend.
Either make googley eyes (and maybe much "more") at someone deep inside Sprint to add a VZW ESN to their database, NOT GOING TO HAPPEN, or murk in the underworlds of ESN cloning and modification, NOT HAPPENING HERE on XDA...
Posting from another thread.
No, the ESNs are in a computer database. If the rep enters an incorrect ESN or, in this case from their point of view invalid, the system will not move forward.
Even if that wasn't the case, I don't believe Verizon and Sprint operate on the same CDMA frequencies. Not to mention LTE. EVEN if that wasn't the case, the Galaxy Nexus pulls its subscriber information(like the phone number, data plan, etc) from its SIM card(just like GSM phones).
Sent from my Galaxy Nexus
http://phandroid.com/2011/12/20/spr...e-given-the-green-light-for-activation-rumor/
Possible, YES. Depends only on if sprint want to activate it or not. Phones generally support the entire spectrum and not just the subset that carrier uses.
For example on GSM, phones either support ALL of the 900 spectrum or none of it. The fact that the spectrum is split in two and used by different operators doesn't make a difference - thats just handled by the simlock/Activation of ESN.
It wouldn't make much sense for a hardware manufacturer to cripple a radio baseband to part of the spectrum if it can handle all of it, otherwise they would need to make new mainboards for each operator.
LTE is a different situation. As the spectrum is not split, and each operator use an entirely different spectrum. It would be more costly to add other spectrums on a Verizon device with no real benefit, if they have no plans to offer it on any other operator. Also it may be more cost or design effective to make two different boards if for example they can't fit an antenna that can handle both frequencies.
unremarked said:
Posting from another thread.
No, the ESNs are in a computer database. If the rep enters an incorrect ESN or, in this case from their point of view invalid, the system will not move forward.
Even if that wasn't the case, I don't believe Verizon and Sprint operate on the same CDMA frequencies. Not to mention LTE. EVEN if that wasn't the case, the Galaxy Nexus pulls its subscriber information(like the phone number, data plan, etc) from its SIM card(just like GSM phones).
Sent from my Galaxy Nexus
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Click to collapse
VZW and Sprint operate on the same CDMA frequencies, 1x CDMA 2000 and 3G. How else do Sprint and VZW roam off each other for voice and data? When it comes to 4G, that's where they differ, LTE vs WiMax (for now). Even when Sprint goes LTE, they'll be running on a different LTE frequency than VZW and AT&T, so LTE roaming shouldn't be on anyone's radar for the foreseeable future.
And NO, the VZW GNex does not pull "its subscriber information (like the phone number, data plan, etc) from its SIM card(just like GSM phones)." Subscriber info is pulled from the ESN/MEID unique to any CDMA phone (VZW and Sprint included) to authenticate on the network. The SIM in VZW LTE phones is for LTE purposes ONLY, 4G data only and nothing else.
Why dont you get the galaxy s II? Wish I could get it for Verizon
LordLugard said:
VZW and Sprint operate on the same CDMA frequencies, 1x CDMA 2000 and 3G. How else do Sprint and VZW roam off each other for voice and data? When it comes to 4G, that's where they differ, LTE vs WiMax (for now). Even when Sprint goes LTE, they'll be running on a different LTE frequency than VZW and AT&T, so LTE roaming shouldn't be on anyone's radar for the foreseeable future.
And NO, the VZW GNex does not pull "its subscriber information (like the phone number, data plan, etc) from its SIM card(just like GSM phones)." Subscriber info is pulled from the ESN/MEID unique to any CDMA phone (VZW and Sprint included) to authenticate on the network. The SIM in VZW LTE phones is for LTE purposes ONLY, 4G data only and nothing else.
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Click to collapse
Thanks for the clarification on the frequencies thing. I wasnt 100% sure what Sprint operated on.
As for the SIM, I am 100% sure. Trade SIM cards with a friend, even to another microSIM device like a Samsung Stratosphere Restart your phone and then call eachother. The numbers will be swapped. Heck, even easier. Yank your SIM out and make a test call or check under the About Phone options.
EDIT: I know that Sprint uses CDMA(1x) and EVDO(3G). But what bands do they operate on? Just like AT&T and T-Mobile use GSM(aka edge) and HSPA(3G) but on different bands so not all their phones are entirely cross compatible.
EDIT2: Found my own answer. VZW operates on 850mhz, and 1900mhz. Sprint is 800mhz and 1900mhz. So you may in theory use a 3G Verizon phone on Sprints network with limited capability. I'd imagine it would be just like if you put an ATT iPhone on T-Mobile and be able to make calls but only get 2G.
Regardless of the frequencies you still have the ESN lockout as well as the SIM card issue.
Sent from my Galaxy Nexus
Sprint not going to activate the phone no matter what you do.
CDMA carriers have the last say so of what goes on their network and what does not. They chose what you use not you. They base the their phones off of the ESN/MEIDs if those do not match up to a "clean" one in their system then no go. Its their way of forcing contracts, "if you have to get a sprint phone may as well get the contract with it." they thing. GSM on the other hand you can do it because the identification of the carrier is on the SIM card rather then the phone. However, some carriers will "flash" a phone over like Criket or metro pcs (however they can brick the phone and then you can't even do anything with it.)
MetroPCS lets you bring in any CDMA phone and activate it on their network. I'm sure sprint could do the same if they wanted to.
tommyz2kool said:
MetroPCS lets you bring in any CDMA phone and activate it on their network. I'm sure sprint could do the same if they wanted to.
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Emphasis on "IF THEY WANTED TO." If past behavior is indicative of the future then reason says they don't.
Lets assume Sprint suddenly changes its mind after years of hemorrhaging customers and move beyond that, as I've previously said the Galaxy Nexus(and all 4G LTE phones) behave more like GSM phones than CDMA and pull their subscriber information from the SIM card. Don't believe me? Try to use your VZW Galaxy Nexus without your SIM. Mine didn't work. Further my theortical point about the supported bands still stand. Who wants a Galaxy Nexus on 1X data?
Sent from my Galaxy Nexus
I thought that Sprint was going to offer the Gnex at some point. Was I just dreaming that? Does anyone know if Sprint is going to get the GN?
I could have sworn I heard that Sprint was getting it somewhere....
unremarked said:
Emphasis on "IF THEY WANTED TO." If past behavior is indicative of the future then reason says they don't.
Lets assume Sprint suddenly changes its mind after years of hemorrhaging customers and move beyond that, as I've previously said the Galaxy Nexus(and all 4G LTE phones) behave more like GSM phones than CDMA and pull their subscriber information from the SIM card. Don't believe me? Try to use your VZW Galaxy Nexus without your SIM. Mine didn't work. Further my theortical point about the supported bands still stand. Who wants a Galaxy Nexus on 1X data?
Sent from my Galaxy Nexus
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The reason your LTE VZW phone will not work without the SIM has nothing to do with pulling subscriber info but more to do with just authenticating with the LTE network, period.
Once again, your subscriber info is more hard coded to your ESN/MEID.
The LTE network could go down (like it has done now several times) and your phone will work fine with CDMA voice and 2G/3G. If the CDMA network goes down then you're screwed because all authentication starts there.
Sent from my SPH-D710
bradm23 said:
Why dont you get the galaxy s II? Wish I could get it for Verizon
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Click to collapse
That.
+1 char
LordLugard said:
The reason your LTE VZW phone will not work without the SIM has nothing to do with pulling subscriber info but more to do with just authenticating with the LTE network, period.
Once again, your subscriber info is more hard coded to your ESN/MEID.
The LTE network could go down (like it has done now several times) and your phone will work fine with CDMA voice and 2G/3G. If the CDMA network goes down then you're screwed because all authentication starts there.
Sent from my SPH-D710
Click to expand...
Click to collapse
I'd love to hear your explaination for the following behaviors. The only thing I changed was I took out my SIM card. You'll notice now even the time is wrong since the phones sync their time with the carrier.
EDIT: removed pictures because I'm paranoid/OCD about personal info.
You can post as many pics as you want. Your "subscriber info" is tied to your esn/meid in the system. Without those, whether you have an LTE sim or not on a CDMA network like VZW, your phone will not function. The LTE sim doesn't handle voice or any calling functions, just data.
When your phone connects to a cell tower (or the network), certain parameters are sent for a sort of handshake, which are your esn/meid.
I think you need to better familiarize yourself with the fact that VZW is a CDMA network first and foremost (and with all that entails, esn/meid/msid etc) with an LTE based data-only network (for now) built alongside it.
Sent from my SPH-D710
This is going to seem like a stupid question but, I have a Nexus running CyanogenMod 11 that I no longer use as a phone; it has no data plan. I am currently using a Moto X. But I'd like to do a factory reset through TWRP. Basically start fresh. The only thing I use the phone for now is WiFi to browse the web. Since a factory reset would clear all of my settings would I be able to sign back in on Google even though I don't currently have a data plan? I'm going to say that yes, I'd be able to but I just want to make sure. I don't want to render the device a paperweight.
safe reset
Most definitely, you can do anything device related via Wi-Fi that you could do via mobile data. If during initial setup after reset your device does not want to allow you to add a Google account using Wi-Fi, simply skip Google signin, and once device is running, just activate your Wi-Fi, join your network and add a Google account directly from Accounts and Sync in settings.
oddball3 said:
Most definitely, you can do anything device related via Wi-Fi that you could do via mobile data. If during initial setup after reset your device does not want to allow you to add a Google account using Wi-Fi, simply skip Google signin, and once device is running, just activate your Wi-Fi, join your network and add a Google account directly from Accounts and Sync in settings.
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Click to collapse
Thanks. That's what I thought but figured I'd jump on here and make sure. I'm not even sure what my plans are for this device. I love the Nexus but the Moto X is pretty awesome out of the box. My Nexus is on the last known good nightly for CM 11; 11-20140117-NIGHTLY-toro. I might just sell it. I just didn't want to reset it and make it a complete brick for someone else.
Safe reset
is your device gsm or cdma?
oddball3 said:
is your device gsm or cdma?
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Click to collapse
It's Verizon so I believe it's CDMA.
The Tallest said:
It's Verizon so I believe it's CDMA.
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make and model? we can get it onto prepaid, or possibly enable gsm to pop a sim in, depending on what it is
Free Moto X
Verizon Wireless is the only major wireless carrier today that does not put a software lock on any of its 4G LTE smartphones. This means that whether you are on a contract or you paid full price for your Verizon 4G LTE handset, it is automatically unlocked.
You should be able to put a SIM card in it from any GSM carrier and it will offer basic voice, texting and 3G data. Whether it will also support LTE depends on what LTE frequency bands are
supported in the phone.
A Moto X designed for Verizon will work with either an AT&T or T-Mobile SIM on the gsm network. But you may be limited in terms of the service that you can access. As I said, you will definitely be able to text, call and use 3g, access to LTE will depend on the frequency band being used in your area, but most likely you'll be covered.
As far as the nexus is concerned, it supports LTE Band 4 AWS, which is also supported by AT&T and T-Mob on GSM, although not everywhere. A simple, cheap prepaid SIM from one of these networks popped into your nexus will confirm if it will work.
Hope I was able to help out, so now what are you waiting for? Go get yourself an AT&T or T-Mobile prepaid SIM and free your Gnex.
oddball3 said:
Verizon Wireless is the only major wireless carrier today that does not put a software lock on any of its 4G LTE smartphones. This means that whether you are on a contract or you paid full price for your Verizon 4G LTE handset, it is automatically unlocked.
You should be able to put a SIM card in it from any GSM carrier and it will offer basic voice, texting and 3G data. Whether it will also support LTE depends on what LTE frequency bands are
supported in the phone.
A Moto X designed for Verizon will work with either an AT&T or T-Mobile SIM on the gsm network. But you may be limited in terms of the service that you can access. As I said, you will definitely be able to text, call and use 3g, access to LTE will depend on the frequency band being used in your area, but most likely you'll be covered.
As far as the nexus is concerned, it supports LTE Band 4 AWS, which is also supported by AT&T and T-Mob on GSM, although not everywhere. A simple, cheap prepaid SIM from one of these networks popped into your nexus will confirm if it will work.
Hope I was able to help out, so now what are you waiting for? Go get yourself an AT&T or T-Mobile prepaid SIM and free your Gnex.
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Click to collapse
I wasn't really looking to put service on it. BUT, now that you mention it, maybe I could get a sim card from a prepaid Verizon phone and put it into my Nexus and give it to my son.
The Tallest said:
I wasn't really looking to put service on it. BUT, now that you mention it, maybe I could get a sim card from a prepaid Verizon phone and put it into my Nexus and give it to my son.
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Great idea... shouldn't let old G-Nex go to waste Lol or you could send it over to me in south Africa hehe
According to the guy at the Verizon store, who I plan to upgrade to in November when my contract is up due to T-Mobiles terrible service, seems to think that since it is a SIM phone, and Verizon's new network phones (4G / XLTE) use a SIM card, that I can unlock my TMO phone and it will be able to then be assigned a new IMEI so that I can use it on a Verizon network...
Think this is true and if so, how do I do this? I don't know that I want to upgrade phones... I love my N2 and will only upgrade if there is a Note 4 out by then...
svavrek said:
According to the guy at the Verizon store, who I plan to upgrade to in November when my contract is up due to T-Mobiles terrible service, seems to think that since it is a SIM phone, and Verizon's new network phones (4G / XLTE) use a SIM card, that I can unlock my TMO phone and it will be able to then be assigned a new IMEI so that I can use it on a Verizon network...
Think this is true and if so, how do I do this? I don't know that I want to upgrade phones... I love my N2 and will only upgrade if there is a Note 4 out by then...
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Click to collapse
As far as i know, Verizon uses a hybrid cdma/lte network. Voice is still handled through the cdma2000 antennae and network, whereas data (in lte coveted areas) by lte anrennae and network. If this holds true, shoving a Verizon SIM into a tmous phone will only give you data in lte covered areas. Assuming the sgh-t889 has the right band requirements to function on Verizons network.
In a nutshel: it is a very very long shot. Either way, you're guaranteed not to be able to make phonecalls.
Unfortunately, i have no sources to present you. This is just gleamed knowledge aqwired from countless hours of googletubing.
It is extremely possible the cdma functionality is just switched off, and could be jtagged. But that's way over my head.
I wouldn't bet on it. Even with VoLTE I doubt it would work all that well on LTE. Then if you are in a non LTE area you are SOL.
Hastily spouted for your befuddlement
When I got my Nexus 5 back in 2013 I noticed that if I was on LTE and made/received a call the data would switch to H and then switch back to LTE after the call was ended. My Nexus 5X does the same thing. What's the deal? Before I had the Nexus 5 I had a Galaxy SII Skyrocket(the LTE version of the Galaxy SII from AT&T) and that phone would stay on LTE during calls and that was from an early LTE phone (the first AT&T offered). I would expect the same from a current phone in 2015.
jimv1983 said:
When I got my Nexus 5 back in 2013 I noticed that if I was on LTE and made/received a call the data would switch to H and then switch back to LTE after the call was ended. My Nexus 5X does the same thing. What's the deal? Before I had the Nexus 5 I had a Galaxy SII Skyrocket(the LTE version of the Galaxy SII from AT&T) and that phone would stay on LTE during calls and that was from an early LTE phone (the first AT&T offered). I would expect the same from a current phone in 2015.
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Click to collapse
I am using Nexus 5X with T-Mobile and phone stays on LTE during call. There is a settings in: settings>more>cellular networks - Enhanced 4G LTE Mode ON/OFF switch. Do you have that?
Charkatak said:
I am using Nexus 5X with T-Mobile and phone stays on LTE during call. There is a settings in: settings>more>cellular networks - Enhanced 4G LTE Mode ON/OFF switch. Do you have that?
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Nope. I don't have that option. I'm on AT&T. That's really strange that you Nexus 5X has that and mine doesn't. Kind of strange that yours has software differences. Did you buy your phone directly from Google?
jimv1983 said:
Nope. I don't have that option. I'm on AT&T. That's really strange that you Nexus 5X has that and mine doesn't. Kind of strange that yours has software differences. Did you buy your phone directly from Google?
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Click to collapse
Phone is directly from google and this is the current build #MDB08L. If you have anyone with T-Mobile sim, try it.
Dial *#*#4636#*#*, then tap "phone info", scroll to the bottom and check for "VOLTE PROVISIONED FLAG" - if it is on, then you will see OFF in from of VOLTE...
Charkatak said:
Phone is directly from google and this is the current build #MDB08L. If you have anyone with T-Mobile sim, try it.
Dial *#*#4636#*#*, then tap "phone info", scroll to the bottom and check for "VOLTE PROVISIONED FLAG" - if it is on, then you will see OFF in from of VOLTE...
Click to expand...
Click to collapse
It currently says "TURN OFF VOLTE PROVISIONED FLAG" so I'm guessing it's currently on. However I'm not sure what this has to do with anything. VoLTE means "voice over LTE". I'm not even trying to do voice over LTE. I'm just trying to use LTE for regular data while on a call over regular GSM.
jimv1983 said:
It currently says "TURN OFF VOLTE PROVISIONED FLAG" so I'm guessing it's currently on. However I'm not sure what this has to do with anything. VoLTE means "voice over LTE". I'm not even trying to do voice over LTE. I'm just trying to use LTE for regular data while on a call over regular GSM.
Click to expand...
Click to collapse
That is exactly the case if you want to stay on LTE while on a call, then it is called VoLTE(Voice over LTE). Your setting for that seems to be on...
Things to try, unless Nexus 5X on AT&T is unable to do VoLTE, ask AT&T.
Test with T-Mobile sim
Check APN settings
Check to see if your sim card is old
Charkatak said:
That is exactly the case if you want to stay on LTE while on a call, then it is called VoLTE(Voice over LTE). Your setting for that seems to be on...
Things to try, unless Nexus 5X on AT&T is unable to do VoLTE, ask AT&T.
Test with T-Mobile sim
Check APN settings
Check to see if your sim card is old
Click to expand...
Click to collapse
Everything I've seen says that VoLTE means that the LTE data connection is used to actually make phone calls instead of the traditional cell voice network(GSM/CDMA). I don't care about that. I'm fine with regular phone calls using the regular GSM voice connection. I just want to be able to use the LTE connection for things like browsing while I'm on a regular phone call.
Good to know that it isn't an issue with the phone. I guess it might be an AT&T network issue but that would be strange since it worked with my old Galaxy S II Skyrocket that I bought in 2011. Maybe a compatibility issue between AT&T and this phone? I'll see if I can test with someones T-Mobile SIM. My SIM card is only a month old since I had to get a Nano SIM when switching from my Nexus 5(which took a Micro SIM).
The only way you will be able to use LTE to browse the internet while on a call is if you are placing the call using VoLTE. Before VoLTE (and currently if you don't have it) your phone will always drop to a non LTE connection.
I'm sorry but that's just the way it has been and the way it is. Every device that doesn't use VoLTE will change to a different non LTE signal to place the call.
AFAIK, VoLTE on our device does not seem to be supported on the "gsm" carriers.. Yet.
Maybe try out the Network app? It allows you to specify a network preference and do a bit of fine-tuning.
jimv1983 said:
When I got my Nexus 5 back in 2013 I noticed that if I was on LTE and made/received a call the data would switch to H and then switch back to LTE after the call was ended. My Nexus 5X does the same thing. What's the deal? Before I had the Nexus 5 I had a Galaxy SII Skyrocket(the LTE version of the Galaxy SII from AT&T) and that phone would stay on LTE during calls and that was from an early LTE phone (the first AT&T offered). I would expect the same from a current phone in 2015.
Click to expand...
Click to collapse
I am on Tmobile and sometimes it does the same thing. I have to switch network preference to 2G then make a call hang up switch back to 4G then turn on the VOLTE option.
Sent from my Nexus 5X using Tapatalk
k.s.deviate said:
The only way you will be able to use LTE to browse the internet while on a call is if you are placing the call using VoLTE. Before VoLTE (and currently if you don't have it) your phone will always drop to a non LTE connection.
I'm sorry but that's just the way it has been and the way it is. Every device that doesn't use VoLTE will change to a different non LTE signal to place the call.
AFAIK, VoLTE on our device does not seem to be supported on the "gsm" carriers.. Yet.
Click to expand...
Click to collapse
That might be the case with the Nexus 5 and Nexus 5X but it was absolutely not the case with my old Galaxy SII Skyrocket. Kind of strange that the Nexus 5 and Nexus 5X have this issue. Seems kind of strange to me that the LTE radio would have to be turned off just because you are making a non-VoLTE call.
jimv1983 said:
That might be the case with the Nexus 5 and Nexus 5X but it was absolutely not the case with my old Galaxy SII Skyrocket. Kind of strange that the Nexus 5 and Nexus 5X have this issue. Seems kind of strange to me that the LTE radio would have to be turned off just because you are making a non-VoLTE call.
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Click to collapse
This is the case with all devices that are not using the VoLTE service.
There is no other way, unless of course you are using a VoIP service or hangouts to place your calls.
GreenDroidX said:
I am on Tmobile and sometimes it does the same thing. I have to switch network preference to 2G then make a call hang up switch back to 4G then turn on the VOLTE option.
Sent from my Nexus 5X using Tapatalk
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Click to collapse
Have not had issues with VoLTE on Nexus 5X using T-Mobile.
k.s.deviate said:
This is the case with all devices that are not using the VoLTE service.
There is no other way, unless of course you are using a VoIP service or hangouts to place your calls.
Click to expand...
Click to collapse
I didn't realize VoLTE was a feature of phones in 2011. I'm wondering if maybe AT&T stopped supporting it on its network? Oh well, thanks for the info. I didn't realize a phone had to be able to make calls over LTE to be able to use LTE data while on a call. It's also surprising considering how Verizon does simultaneous voice and data. Once Verizon started supporting LTE phones(several years ago) you could do simultaneous voice and data but it wasn't(at least at that time) using LTE for voice calls. Just for data while a CDMA call was active. I guess it works differently for GSM?
Charkatak said:
Have not had issues with VoLTE on Nexus 5X using T-Mobile.
Click to expand...
Click to collapse
Just to clarify, I'm not trying to make a voice call using LTE(which is what "Voice over LTE" means). Just trying to use LTE data while on a non-LTE voice call.
jimv1983 said:
I didn't realize VoLTE was a feature of phones in 2011. I'm wondering if maybe AT&T stopped supporting it on its network? Oh well, thanks for the info. I didn't realize a phone had to be able to make calls over LTE to be able to use LTE data while on a call. It's also surprising considering how Verizon does simultaneous voice and data. Once Verizon started supporting LTE phones(several years ago) you could do simultaneous voice and data but it wasn't(at least at that time) using LTE for voice calls. Just for data while a CDMA call was active. I guess it works differently for GSM?
Just to clarify, I'm not trying to make a voice call using LTE(which is what "Voice over LTE" means). Just trying to use LTE data while on a non-LTE voice call.
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In any case in order to stay on LTE and use data, your phone has to support VoLTE, because normal LTE is data only and when you make a call it would drop to 3 or 4G. CDMA and GSM are 2 different type of networks. I was always using GSM providers(T-Mobile in my case) and this is how it works. I don't know how your old phone could let you be on LTE during a call - unless AT&T was using some proprietary service.
Charkatak said:
...because normal LTE is data only...
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That totally makes sense. I'm fine with that.
Charkatak said:
....and when you make a call it would drop to 3 or 4G.
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Thats weird.
Charkatak said:
...I don't know how your old phone could let you be on LTE during a call - unless AT&T was using some proprietary service.
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Yeah, if that's how LTE data works then AT&T must have had something special.
jimv1983 said:
Yeah, if that's how LTE data works then AT&T must have had something special.
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Early on, phones had a separate 3G radio from their LTE radio. This is a big part of why the first LTE phones had substantial battery drain issues compared to 3G only phones at the same time. One of the nice things about the setup was that you could use 3G for voice and LTE for data simultaneously. With the move to integrated modems, which significantly improved battery life and speed, that feature was lost. Until AT&T implements a standard for VOLTE like T-Mobile has you're going to have to deal with the lower speeds while on a call.
raptir said:
Early on, phones had a separate 3G radio from their LTE radio. This is a big part of why the first LTE phones had substantial battery drain issues compared to 3G only phones at the same time. One of the nice things about the setup was that you could use 3G for voice and LTE for data simultaneously. With the move to integrated modems, which significantly improved battery life and speed, that feature was lost. Until AT&T implements a standard for VOLTE like T-Mobile has you're going to have to deal with the lower speeds while on a call.
Click to expand...
Click to collapse
OK that explains it. The Galaxy S2 Skyrocket was the first AT&T LTE phone so it probably had separate radios. I'm also kind of concerned with what VoLTE will do to battery life. I remember that one of the ways phone matters were reducing battery drain was to keep the radio asleep unless it was asleep. With VoLTE the LTE radio would have to be active all the time. Has the energy efficiency of newer LTE radios made that a non-issue? How is battery life on T-Mobile vs AT&T using the same phone under similar conditions?
I finally upgraded from my HTC One M7, and I can't make phone calls and surf the web while on 4G anymore! I did a little Googling and found out it's because Sprint's Spark network doesn't support VoLTE. And from what I'm reading, it seems like Sprint phones only have one radio.
Is there a way around this? Does the HTC 10 for Sprint maybe have all radios, but they're disabled and you can gain access with root? Maybe I can do away with LTE and just go back to classic 4G & CDMA?
Thanks!
DiZzyBonne said:
I finally upgraded from my HTC One M7, and I can't make phone calls and surf the web while on 4G anymore! I did a little Googling and found out it's because Sprint's Spark network doesn't support VoLTE. And from what I'm reading, it seems like Sprint phones only have one radio.
Is there a way around this? Does the HTC 10 for Sprint maybe have all radios, but they're disabled and you can gain access with root? Maybe I can do away with LTE and just go back to classic 4G & CDMA?
Thanks!
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Right now Sprint does not support VoLTE with any of their current devices. Sprint put all of their time and effort into the Sprint Spark project. When Sprint started the Spark project they needed their devices to be Tri-Band devices which in turn removed the ability to use voice and data services at the same time. The HTC 10 is a VoLTE certified device and is capable of WiFi Calling as well with other carriers. Based on an article I read earlier from www.S4GRU.com, the only device that Sprint has that is VoLTE certified with the FCC is the LG G5. If you want to be able to use voice and data services at the same time with Sprint you will have to use an older device like your M7 that is not a Tri-Band device. Another Sprint device that can use voice and data services at the same time is the Galaxy S3 (SPH-L710) and the early
S4 (SPH-L720). If either of those devices have a "T" at the end of their number it means they are Tri-Band devices. Hope this helps. I feel your frustration with Sprint and VoLTE. My wife and I have been with Sprint for iver 15 years and have a grandfathered unlimited data plan that she wont get rid of. So, when the Galaxy S3 from Sprint made it to the end of its useful life with me I switched carriers so i could have VoLTE and my wife can keep Sprint.
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You can achieve voice and data with Google's Hangout Dialer. The call is placed over data so you can use data during the call. Granted, you need to set up a Google voice number, but it achieves the purpose.
This is the reason I ditched CDMA all together and went GSM. (My MVNO has both, so it was an easy switch.)
Getting far better data rates (cable speeds rather than dial-up speeds) with a weak signal was an unexpected bonus.