Question about G3 networks (CDMA, LTE, etc.) - Sprint LG G3

So I know this phone has CDMA, LTE, and GSM radios. My question is, does the GSM radio even functional or is it just there if you ever switch carriers to a gsm network? I thought GSM was only on At&t and verizon? I thought sprint was only CDMA?
I am confused about the GSM network. Does it mean that GSM isn't used with sprint but can be since there is a sim card?
I am only on sprint so will i ever need to worry about GSM?

IamFlynn said:
So I know this phone has CDMA, LTE, and GSM radios. My question is, does the GSM radio even functional or is it just there if you ever switch carriers to a gsm network? I thought GSM was only on At&t and verizon? I thought sprint was only CDMA?
I am confused about the GSM network. Does it mean that GSM isn't used with sprint but can be since there is a sim card?
I am only on sprint so will i ever need to worry about GSM?
Click to expand...
Click to collapse
LTE is over GSM. Back when Sprint"s 4G was (the inferior to LTE) WiMax it was accomplished using CDMA. When they adopted the LTE technology phones had to be equipped for GSM either using a SIM or an embedded SIM like in the LGOG. Yes Sprint uses CDMA except for LTE. Clear as mud?
Sent from my LGLS990 using XDA Free mobile app

MikeDroid said:
LTE is over GSM. Back when Sprint"s 4G was (the inferior to LTE) WiMax it was accomplished using CDMA. When they adopted the LTE technology phones had to be equipped for GSM either using a SIM or an embedded SIM like in the LGOG. Yes Sprint uses CDMA except for LTE. Clear as mud?
Sent from my LGLS990 using XDA Free mobile app
Click to expand...
Click to collapse
So CDMA is for 2g and 3g and lte is for wimax (which is no longer here) and gsm is for true LTE?

IamFlynn said:
So CDMA is for 2g and 3g and lte is for wimax (which is no longer here) and gsm is for true LTE?
Click to expand...
Click to collapse
LTE and Wimax are 2 different 4G technologies. Wimax barely qualifies as 4G. But yes the GSM is part of all LTE tech. Sprint uses CDMA for everything else.
Sent from my LGLS990 using XDA Free mobile app

Thanks man, really appreciate the help!

The GSM capability also allows the phone to be used on GSM networks. Sprint will generally unlock it for use with international carriers (if you're travelling overseas, for example). And there are a few threads here on XDA that purport to tell you how to unlock it for use on domestic carriers.

meyerweb said:
The GSM capability also allows the phone to be used on GSM networks. Sprint will generally unlock it for use with international carriers (if you're travelling overseas, for example). And there are a few threads here on XDA that purport to tell you how to unlock it for use on domestic carriers.
Click to expand...
Click to collapse
Still waiting for more feedback on this method which I think might be the closest to a true unlock. Using RUIM PREFERRED should allow frequent SIM swaps and back to Sprint again.
http://forum.xda-developers.com/showthread.php?t=2985523
Unlock Sprint LS990 for any CDMA carrier!!!
Sent from my LGLS990 using XDA Free mobile app

Related

Can i use an ATT atrix on sprint

I can get a new in box Atrix for free, but i'm on sprint network.
it there any way at all i can unlock and use it ?
i do know some older windows HTC phones sprint had, used sim cards.
i would love to use this phone but what all will be involved if it can be done.
No different network types sprint is cdma att gsm
Sent from my MB860 using XDA App
well that really sucks and thanks for the help
U can the evo pretty cheap now if u have one already they give great trade value towards upgrading as well. HTC makes great phones too
Sent from my MB860 using XDA App
i just read specs on this atrix and it says multi networks
wcdma and gsm so is there a chance
No chance at all actually.
Sent from my MB860 using XDA App
tattoo jaco said:
i just read specs on this atrix and it says multi networks
wcdma and gsm so is there a chance
Click to expand...
Click to collapse
WCDMA != CDMA. WCDMA is 3G GSM. CDMA is well CDMA.
Sent from my MB860 using Tapatalk
tattoo jaco said:
i just read specs on this atrix and it says multi networks
wcdma and gsm so is there a chance
Click to expand...
Click to collapse
WCDMA is not the same as CDMA. Its basically the standard for GSM 3G, and while similar to CDMA, there are enough differences that they are incompatible. Even if it did work, you wouldn't be able to call or text anyone and as a GSM phone there's no ESN so the network wouldnt recognize it anyway.
Actually worth, thinking about it....if you can find the firmware for sprint for Motorola Atrix 4G w
Atrix --> *#*#4636#*#*, go into phone info and see Atrix support for WCDMA, GSM, CDMA and EvDo
anangphatak said:
Actually worth, thinking about it....if you can find the firmware for sprint for Motorola Atrix 4G w
Atrix --> *#*#4636#*#*, go into phone info and see Atrix support for WCDMA, GSM, CDMA and EvDo
Click to expand...
Click to collapse
There is no firmware as the HARDWARE does not support CDMA. The only thing you could get working with a firmware update that does not work is T-Mobile 3G since the qualcomm mdm6200 modem chip in our phone supports petaband WCDMA. Now finding firmware to do this has proven impossible for me since there are other things included in the firmware that are different between phones and there is no T-Mobile Motorola equivalent to the atrix.
To sum up. Inorder for firmware support you need HARDWARE supper also.
Sent from my MB860 using Tapatalk
bottom line op, get the motorola photon.

evo 4g lte on prepaid service?

YES ive used the search function
any way to get the evo 4g lte to work on boost, virgin, or (metro pcs as someone else suggested?) no im not suggestion meid shenanniganz which is against the rules. but is there any possibru way to get this phone working on any of those? (and if so, i assume that the lte portion would not work)
`Ghost` said:
YES ive used the search function
any way to get the evo 4g lte to work on boost, virgin, or (metro pcs as someone else suggested?) no im not suggestion meid shenanniganz which is against the rules. but is there any possibru way to get this phone working on any of those? (and if so, i assume that the lte portion would not work)
Click to expand...
Click to collapse
Of course, I myself am currently flashed to Boost with the device. They flash easily to other carriers the same as previous htc phones. Yes the LTE won't work. Metropcs has LTE and although they are both cdma they use different frequencies and airwaves for LTE so you'd have to settle for 3G at least for the time being.
does it flash easily or do you have to do bad juju with the numbers?
It's pretty easy just search for EVO 4g LTE boostmobile. I recommend to flash to Verizon prepaid
Sent from my EVO using xda premium
zar420 said:
It's pretty easy just search for EVO 4g LTE boostmobile. I recommend to flash to Verizon prepaid
Sent from my EVO using xda premium
Click to expand...
Click to collapse
Yep...Verizon prepaid is better in my opinion also.
Or cricket haha
--I bet My-UI is better than yours!--

Carrier Neutral Phones

Sorry, don't know where to post this..?
I'm told one of the few Verizon/cdma carrier neutral smartphones is incredible II.. (should work on sprint, at&t, tmobile and various resellers) I'm just wondering if you guys know any more that preferably have more modern hardware.. ?? I prefer plug n' play type stuff.. and ability to use with MVNO's and android
theemaster said:
Sorry, don't know where to post this..?
I'm told one of the few Verizon/cdma carrier neutral smartphones is incredible II.. (should work on sprint, at&t, tmobile and various resellers) I'm just wondering if you guys know any more that preferably have more modern hardware.. ?? I prefer plug n' play type stuff.. and ability to use with MVNO's and android
Click to expand...
Click to collapse
Well, CDMA to CDMA will be a little work, is also a legal grey area. But there have been many posts saying that this phone (Droid DNA) works on domestic gsm carriers as well.
People report getting HSPA+ speeds on AT&T and TMo(where refarmed to 1900MHz). You'll only get edge speeds on TMo where they haven't refarmed to 1900MHz yet. So any MVNO based on those carriers should work just fine. You'll obviously have to fiddle with APN settings to get data and MMS to work, but it shouldn't be too hard.
Sent from my HTC6435LVW using XDA Premium 4 mobile app
times_infinity said:
Well, CDMA to CDMA will be a little work, is also a legal grey area. But there have been many posts saying that this phone (Droid DNA) works on domestic gsm carriers as well.
People report getting HSPA+ speeds on AT&T and TMo(where refarmed to 1900MHz). You'll only get edge speeds on TMo where they haven't refarmed to 1900MHz yet. So any MVNO based on those carriers should work just fine. You'll obviously have to fiddle with APN settings to get data and MMS to work, but it shouldn't be too hard.
Sent from my HTC6435LVW using XDA Premium 4 mobile app
Click to expand...
Click to collapse
If you take a DNA to a GSM based carrier, you may need to root/reflash with a ROM that is customized for GSM in order to get the APN settings to stick for MMS to work. The phone is SIM unlocked out of the box, I made a phone call using my DNA after popping in a T-Mobile card, without any changes at all.
Oh, I don't think the Incredible II will work on domestic GSM carriers, only European/foreign. At least I haven't ever heard of it working. You might want to verify that if you go that route. My parents are in Europe right now, however, and using their Incredible II's successfully, including APN changes for MMS.
Hi,
As stated, CDMA to CDMA takes a little bit of work. But carriers in the Philly area, like Cricket, allow you to bring some Sprint or Verizon devices over, with a reprogramming fee. I have heard of people reprogramming CDMA devices for Virgin Mobile.
The Droid DNA is a good choice.
As far as GSM goes, I have used a Verizon s3 on t mobile, rooted with custom APN. The radio's are different and the VZW s3 on t mobile only gets HSPA+ . I would just get a GSM version.
What carrier are you waiting to use ?
~Hoovie
Sent from my HTC6435LVW using xda app-developers app
thehoovie said:
Hi,
As stated, CDMA to CDMA takes a little bit of work. But carriers in the Philly area, like Cricket, allow you to bring some Sprint or Verizon devices over, with a reprogramming fee. I have heard of people reprogramming CDMA devices for Virgin Mobile.
The Droid DNA is a good choice.
As far as GSM goes, I have used a Verizon s3 on t mobile, rooted with custom APN. The radio's are different and the VZW s3 on t mobile only gets HSPA+ . I would just get a GSM version.
What carrier are you waiting to use ?
Click to expand...
Click to collapse
Specifically as I stated.. Verizon and tmobile are the top 2 I wish to use.. I wish to use the resellers page plus/lycamobile
A person who uses page plus and has used lycamobile assures me that the incredible II will swap with ease back n' forth after unlocked sim, (I think he means Verizon incredible 2) I would just like to find some newer hardware like the bionic.. or something made in late 2011 or early 2012.. but the information on bionic is it requires custom roms or certain configurations to run on either platform (aka it's not like you can just do a sim swap)
jasoraso said:
If you take a DNA to a GSM based carrier, you may need to root/reflash with a ROM that is customized for GSM in order to get the APN settings to stick for MMS to work. The phone is SIM unlocked out of the box, I made a phone call using my DNA after popping in a T-Mobile card, without any changes at all.
Click to expand...
Click to collapse
This. Stupid stock Verizon ROM uses an APN whitelist, the MMS apn type is not included since it is not needed on Verizon's network.
I recommend the NOS M7 ROM or the NOS Google Play Edition ROM, both have a GSM base and work much better on GSM carriers.
The DNA may be fully SIM unlocked out of the box, unfortunately; the stock OS ruins some of the fun.
---------- Post added at 02:48 PM ---------- Previous post was at 02:45 PM ----------
thehoovie said:
Hi,
As far as GSM goes, I have used a Verizon s3 on t mobile, rooted with custom APN. The radio's are different and the VZW s3 on t mobile only gets HSPA+ . I would just get a GSM version.
Click to expand...
Click to collapse
Isn't the GSM version ALSO going to get HSPA+?
You'd need a version that supports T-Mobile's LTE frequencies to do better than HSPA+
I get 1900mhz hspap on an att SIM with my droid Dna on a gsm Rom everything works great
Sent from my HTC6435LVW using XDA Premium 4 mobile app
Zarboz said:
I get 1900mhz hspap on an att SIM with my droid Dna on a gsm Rom everything works great
Sent from my HTC6435LVW using XDA Premium 4 mobile app
Click to expand...
Click to collapse
What speeds?
Sent from my HTC6435LVW using XDA Premium 4 mobile app

4G LTE and 3G not working.

I got a Verizon HTC one M7 unlocked phone. I inserted the Tmobile 4G card but I couldn't connect to 4G or even 3G data network. Can anyone please help me. I spend like 400 bucks for the phone and its useless if I dont get this.
Do you have 3G and 4G Coverage at your place with T-Mobile? Did you try it at other places?
4G: Does the Phone support the bands your network provider is using?
DThought said:
Do you have 3G and 4G Coverage at your place with T-Mobile? Did you try it at other places?
4G: Does the Phone support the bands your network provider is using?
Click to expand...
Click to collapse
Yeah buddy My area got 4G LTE fully and perfectly working on other TMobile phones.. I dont knwo uf this verizon phone supports T mobile 4G bands..
aaloknaik said:
Yeah buddy My area got 4G LTE fully and perfectly working on other TMobile phones.. I dont knwo uf this verizon phone supports T mobile 4G bands..
Click to expand...
Click to collapse
From the HTC site: M7/Verizon: ... UMTS/HSPA 1900/2100MHz,GSM/GPRS/EDGE 850/900/1800/1900MHz, LTE Band 13
So you need to check if TMOUS has 3G 1900 in your area. 4G is entirely out of the question.
Duwenbasden said:
From the HTC site: M7/Verizon: ... UMTS/HSPA 1900/2100MHz,GSM/GPRS/EDGE 850/900/1800/1900MHz, LTE Band 13
So you need to check if TMOUS has 3G 1900 in your area. 4G is entirely out of the question.
Click to expand...
Click to collapse
Have you any idea how can I get that information.
aaloknaik said:
Have you any idea how can I get that information.
Click to expand...
Click to collapse
Yes buddy my area does have tmobile 1900 coverage I stay at Arlington . I checked it on tmobile site so how do I activate 3g now?
Same problem in my xperia z. Help !
Duwenbasden said:
From the HTC site: M7/Verizon: ... UMTS/HSPA 1900/2100MHz,GSM/GPRS/EDGE 850/900/1800/1900MHz, LTE Band 13
So you need to check if TMOUS has 3G 1900 in your area. 4G is entirely out of the question.
Click to expand...
Click to collapse
Yes buddy I checked it on T mobile, we do have 3g 1900 in my area so how do I connect to 3G
Not for GSM
aaloknaik said:
I got a Verizon HTC one M7 unlocked phone. I inserted the Tmobile 4G card but I couldn't connect to 4G or even 3G data network. Can anyone please help me. I spend like 400 bucks for the phone and its useless if I dont get this.
Click to expand...
Click to collapse
I think 4G service on Verizon device even if you unlock them will not work on GSM sim card. Try hooking up your device on CDMA service and see what happen.
Did you change the apn setting?? And far as I know with Verizon they blocked most of the gsm signals so unless you flash a new modem no dice
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app
Duwenbasden said:
From the HTC site: M7/Verizon: ... UMTS/HSPA 1900/2100MHz,GSM/GPRS/EDGE 850/900/1800/1900MHz, LTE Band 13
So you need to check if TMOUS has 3G 1900 in your area. 4G is entirely out of the question.
Click to expand...
Click to collapse
You are wrong. HTC one UMTS/HSPA 900/2100, not 1900/2100. So it can't use 3G on AT&T or Tmobile
gothicasshole said:
Did you change the apn setting?? And far as I know with Verizon they blocked most of the gsm signals so unless you flash a new modem no dice
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
so If I flash my phone with new firmware, will the 4G work because as far as I know HTC wont make different phones for verizon and t mobile and all...
aaloknaik said:
so If I flash my phone with new firmware, will the 4G work because as far as I know HTC wont make different phones for verizon and t mobile and all...
Click to expand...
Click to collapse
It's not uncommon at all to make different variants of the same phone for different networks. If the phone doesn't have the bands then no amount of flashing other things is going to make a difference.

Is it possible to put a Verizon s4 on sprint?

I just upgraded to the droid turbo and my gf is on sprint. I wanted to give her my phone, but I wasn't sure if it was possible. I was thinking I could just SIM unlock the phone and then get a micro SIM card from Sprint and simply activate it in a sprint store. Is this possible or not?
Sent from my XT1254 using XDA Free mobile app
Nope. Sprint is CDMA only. No Sims.
npjohnson said:
Nope. Sprint is CDMA only. No Sims.
Click to expand...
Click to collapse
Um.. I'm confused, sprint does use LTE correct? I've seen sprint SIM cards before. And Verizon also uses CDMA so it has the correct radios.
Sent from my XT1254 using XDA Free mobile app
graymonkey44 said:
Um.. I'm confused, sprint does use LTE correct? I've seen sprint SIM cards before. And Verizon also uses CDMA so it has the correct radios.
Sent from my XT1254 using XDA Free mobile app
Click to expand...
Click to collapse
Yes. Sprint uses LTE, Verizon phones are SIM (GSM) unlocked, but are CDMA locked to Verizon. Even if CDMA was unlocked, it doesn't support the correct CDMA bands. And no. There is no way to hack it in.
If you can get your hands on a Sprint SIM and put it in the VZW S4 and you used NVRAM edits (extremely complicated) to enable the correct LTE bands, it would only get 4G LTE service, not 3G or Voice or SMS service.
npjohnson said:
Yes. Sprint uses LTE, Verizon phones are SIM (GSM) unlocked, but are CDMA locked to Verizon. Even if CDMA was unlocked, it doesn't support the correct CDMA bands. And no. There is no way to hack it in.
If you can get your hands on a Sprint SIM and put it in the VZW S4 and you used NVRAM edits (extremely complicated) to enable the correct LTE bands, it would only get 4G LTE service, not 3G or Voice or SMS service.
Click to expand...
Click to collapse
All right that makes sense. Thank you for clearing it up with me.
Sent from my XT1254 using XDA Free mobile app

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