Would a European GSM M8 with S-OFF work on the CDMA Sprint network in America?
bluegrass55 said:
Would a European GSM M8 with S-OFF work on the CDMA Sprint network in America?
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No. Sprint is a CDMA provider with LTE as its secondary data source. They do now allow devices to be added to their network. Basically every phone sold to Sprint is entered into a master list of IMEI that are allowed on the system. If your IMEI isnt already in the system the device can not be activated.
IAmSixNine said:
No. Sprint is a CDMA provider with LTE as its secondary data source. They do now allow devices to be added to their network. Basically every phone sold to Sprint is entered into a master list of IMEI that are allowed on the system. If your IMEI isnt already in the system the device can not be activated.
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This is very informative. Thanks buddy!
I knew about the non compatible part, I just never knew exactly why.
IAmSixNine said:
No. Sprint is a CDMA provider with LTE as its secondary data source. They do now allow devices to be added to their network. Basically every phone sold to Sprint is entered into a master list of IMEI that are allowed on the system. If your IMEI isnt already in the system the device can not be activated.
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Thanks. Yes very informative.
No Problem.
Sprint and Verizon are both CDMA and both act the same in not letting devices not on their master list be added to their network.
Now AT&T and T-Mobile are GSM based and those you can use unlocked GSM devices as long as the right frequencies and protocols are available through the phone. But thats a whole different discussion. LOL
Best advice is if you want to put a phone on Sprint or Verizon it needs to be branded as Sprint for Sprint and Verizon for Verizon.
Related
Greetings!
I have Hard SPLed my T-Mobile Touch Pro 2 and wanted to see if it was possible to get it to work on the Sprint network as I have no SIM card for my current sprint phone.
Does anyone know how to get my T-Mobile version working on a Sprint Network?
Not possible.
GSM phones (like the T-Mo TP2) will not work on CDMA networks (like Sprint)
Also, CDMA networks do not use SIM cards.
To make completely clear (maybe): The T-Mo branded TP2 lacks the radio hardware to connect to the Sprint or Verizon network.
GSM touch pro 2 lack cdma wont work. Even if it had CDMA its ESN is not in sprints data base thus wont work. Best to have a sprint touch pro 2 can use it on every network with no issue ( even hard of it being successfully activated on verzion go figure)
ajac said:
GSM touch pro 2 lack cdma wont work. Even if it had CDMA its ESN is not in sprints data base thus wont work. Best to have a sprint touch pro 2 can use it on every network with no issue ( even hard of it being successfully activated on verzion go figure)
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Sptint tightly guards their ESN list and does not add anything Sprint branded. Verizon will, not for a matter of policy but how nice you are to the store manager. So yes, it isn't unheard of.
devis said:
Sptint tightly guards their ESN list and does not add anything Sprint branded. Verizon will, not for a matter of policy but how nice you are to the store manager. So yes, it isn't unheard of.
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Are you saying that the T-Mobile hardware is capable of CDMA in addition to GSM? That's the first I've heard of it. I thought that HTC built different hardware versions.
stevedebi said:
Are you saying that the T-Mobile hardware is capable of CDMA in addition to GSM? That's the first I've heard of it. I thought that HTC built different hardware versions.
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No...he was off-topic for your original post (he was responding to the post before his).
stevedebi said:
Are you saying that the T-Mobile hardware is capable of CDMA in addition to GSM? That's the first I've heard of it. I thought that HTC built different hardware versions.
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Absolutely not.
What I am saying is that one would be able to get a Sprint branded phone, or anything CDMA, to work on Verizon. I was mostly responding to the second part of the post regarding non Verizon phones being activated on their network.
I am going to switch to T-Mobile in 2 months so was wondering if it will work with T-Mobile's HSPA + Network.
AFAIK It won't, but the frequenceies are listed on both carrier's sites so you can have a look at that.
No.
http://www.androidpolice.com/2011/0...nt-4g-hspa-phone-will-not-be-covered-by-both/
Couldn't we just flash the t-mobile radio like with the t-mobile sgs2 and the skyrocket from at&t?
It should be possible. Check out the specs of the two: http://www.gsmarena.com/compare.php3?idPhone1=4804&idPhone2=4803
This is EXACTLY the same as Tmobile S2 and ATT S2 LTE: http://www.gsmarena.com/compare.php3?idPhone1=4129&idPhone2=4303
Some awesome dev needs to do some radio hacking to make the two phones interchangeable as they did for the S2/S2 LTE.
pvc_ said:
No.
http://www.androidpolice.com/2011/0...nt-4g-hspa-phone-will-not-be-covered-by-both/
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that article is over a year old. there are many devices that work on both carriers via 4g. looking at the frequencies on att version it should work with a radio flash.
There's hope then
http://news.cnet.com/8301-1035_3-57460125-94/t-mobiles-pricier-samsung-galaxy-s3-will-not-get-lte/
same hardware in all US S3's so theoretically even a sprint or verizon one can be flashed if its just going to be software limitations
tspx23 said:
http://news.cnet.com/8301-1035_3-57460125-94/t-mobiles-pricier-samsung-galaxy-s3-will-not-get-lte/
same hardware in all US S3's so theoretically even a sprint or verizon one can be flashed if its just going to be software limitations
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The CDMA and TDMA versions are different and not compatible. A sprint or Verizon model will not work on GSM networks due to the different protocols used. AFAIK no phone is universally portable amongst US carriers.
Verizon/Sprint/US Cellular phones are 100% different in terms of radio hardware and software.
It is possible the T-Mobile/AT&T ones will likely work together, but why? Also something to consider is the AT&T Note on T-Mobile gets HORRIBLE battery life.
malaeum said:
The CDMA and TDMA versions are different and not compatible. A sprint or Verizon model will not work on GSM networks due to the different protocols used. AFAIK no phone is universally portable amongst US carriers.
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You sure about this? Verizon model will have a sim card and has GSM support. Verizon will probably block T-Mobile and ATT with all of their GSM/devices.
tspx23 said:
You sure about this? Verizon model will have a sim card and has GSM support. Verizon will probably block T-Mobile and ATT with all of their GSM/devices.
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The SIM card is for LTE. The only way to get 3G on a CDMA device would be through CDMA.
joshnichols189 said:
The SIM card is for LTE. The only way to get 3G on a CDMA device would be through CDMA.
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Not exactly true... After a "hack" to my VZW Moto Bionic and dropping in an ATT sim from a demo Galaxy Note, we got working H+ on the Bionic.
Even after hack, the Bionic doesn't appear to support T-Mobile's 1700mhz so I get EDGE only when I use the T-Mo SIM out of my Galaxy S2.
But I wont have a Verizon Galaxy S3 to play with to see how that works.
KidJoe said:
Not exactly true... After a "hack" to my VZW Moto Bionic and dropping in an ATT sim from a demo Galaxy Note, we got working H+ on the Bionic.
Even after hack, the Bionic doesn't appear to support T-Mobile's 1700mhz so I get EDGE only when I use the T-Mo SIM out of my Galaxy S2.
But I wont have a Verizon Galaxy S3 to play with to see how that works.
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Interesting, have not heard of that one but I will take your word for it. Either way, most phones do not have AWS bands for T-Mobile unless they are T-Mobile phones.
Assuming the Verizon version has GSM 3G radios in it (what they call a "Global" phone) I don't see why even it could be flashed if someone could get the radio hacked.
For example, my current phone, the Droid 2 Global, normally runs on Verizon's CMDA bands. Being a global phone, it has GSM radios in it which can be activated if you get an unlock code from Verizon (not difficult).
Here's the catch- the baseband locks the phone so that it does not work on AT&T and T-Mobile's frequency bands! However, some clever hackers at TeamBlackHat were able to hack the baseband to allow it to work on US carriers as well.
tl;dr if the CDMA versions have GSM radios it should be feasible to make them work on AT&T and T-Mobile.
ExodusC said:
Assuming the Verizon version has GSM 3G radios in it (what they call a "Global" phone) I don't see why even it could be flashed if someone could get the radio hacked.
For example, my current phone, the Droid 2 Global, normally runs on Verizon's CMDA bands. Being a global phone, it has GSM radios in it which can be activated if you get an unlock code from Verizon (not difficult).
Here's the catch- the baseband locks the phone so that it does not work on AT&T and T-Mobile's frequency bands! However, some clever hackers at TeamBlackHat were able to hack the baseband to allow it to work on US carriers as well.
tl;dr if the CDMA versions have GSM radios it should be feasible to make them work on AT&T and T-Mobile.
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So basically, all world phones can literally be made into world phones? Nice!
SaHiLzZ said:
It should be possible. Check out the specs of the two: gsmarena /compare.php3?idPhone1=4804&idPhone2=4803
This is EXACTLY the same as Tmobile S2 and ATT S2 LTE: gsmarena /compare.php3?idPhone1=4129&idPhone2=4303
Some awesome dev needs to do some radio hacking to make the two phones interchangeable as they did for the S2/S2 LTE.
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You raise a really good point.
joshnichols189 said:
Verizon/Sprint/US Cellular phones are 100% different in terms of radio hardware and software.
It is possible the T-Mobile/AT&T ones will likely work together, but why? Also something to consider is the AT&T Note on T-Mobile gets HORRIBLE battery life.
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Does the S2 and S2 LTE (skyrocket) succumb to bad battery life like the note does when their networks are interchanged?
hey I'm new to the forums and rooting and I'm trying to unlock my Sprint SPH-L710 so that I can use it on a carrier outside of the states. If this thread has already been started sorry for the redundant post, if not can someone post how to unlock a SPH-L710 4.1.2 from Sprint so that I can use it in Canada please.
The Sprint S3 is a CDMA device, and not GSM. There is nothing to unlock for use in Canada. It doesn't accept a SIM card (though there is one embedded for LTE purposes in the U.S).
LordLugard said:
The Sprint S3 is a CDMA device, and not GSM. There is nothing to unlock for use in Canada. It doesn't accept a SIM card (though there is one embedded for LTE purposes in the U.S).
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ok interesting, I was told that I could use it on a network here in Canada that also uses CDMA as long as it was unlocked but maybe they thought that I had the GSM version.
Skier206 said:
ok interesting, I was told that I could use it on a network here in Canada that also uses CDMA as long as it was unlocked but maybe they thought that I had the GSM version.
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You might have to flash it to the carrier.
http://i1202.photobucket.com/albums/bb374/TexasEpic/ThePeoplesROM-KennyGlass123/daniel4653.png
Has anyone accomplished this? Running a Verizon sim in a unlocked Tmobile S4?
i am curious about this as well. i dont think the lte bands are the same though
Verizon is LTE 18. Not worried about that too much. I believe 3g will be all it will get
While a Verizon S4 will work with T-Mobile, I don't think a Verizon S4 will work with T-Mobile. Unless you can somehow enable CDMA radios, which technically don't exist in the gsm variants.
serio22 said:
While a Verizon S4 will work with T-Mobile, I don't think a Verizon S4 will work with T-Mobile. Unless you can somehow enable CDMA radios, which technically don't exist in the gsm variants.
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All S4's are actually gsm, including Sprint and Verizon. Both are unlock able and able to use on other carriers, so CDMA isn't really necessary
ShinySide said:
All S4's are actually gsm, including Sprint and Verizon. Both are unlock able and able to use on other carriers, so CDMA isn't really necessary
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Yes I know many Sprint and Verizon smartphones are world phones, but Verizon still uses CDMA. So wouldn't you will still need a CDMA capable device if you plan to use it with Verizon? If it was the other way around, that's a different story
serio22 said:
Yes I know many Sprint and Verizon smartphones are world phones, but Verizon still uses CDMA. So wouldn't you will still need a CDMA capable device if you plan to use it with Verizon? If it was the other way around, that's a different story
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Yeah but that's why I was telling you.... if a Verizon S4 is gsm and not CDMA, why wouldn't a gsm work on Verizon if the same phone is gsm?
It's probably completely possible. Device wise.... the big problem would be getting Verizon to allow it on the network if it did
Well, i can't unlock the damn thing anyways. Tried 3 times to avail.
Just as soon as I Odin back the NH7 modem i loose the unlock. Very weird.
ShinySide said:
Yeah but that's why I was telling you.... if a Verizon S4 is gsm and not CDMA, why wouldn't a gsm work on Verizon if the same phone is gsm?
It's probably completely possible. Device wise.... the big problem would be getting Verizon to allow it on the network if it did
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that's because it has both gsm and CDMA radios, while T-Mobile's does not. At least as far as we know. I think the gsm portion is there for when you travel for edge and HSPA connectivity and of course also for the use of LTE. If you insert a gsm sim card into a Verizon 'global' gsm/CDMA device, it will display a message "switching to Global mode," enabling full gsm mode. You still need a CDMA capable phone for activation on their network AFAIK.
The Sickness said:
Well, i can't unlock the damn thing anyways. Tried 3 times to avail.
Just as soon as I Odin back the NH7 modem i loose the unlock. Very weird.
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I would give it a shot but don't have a different sim card to test
Don't sweat it. Im keeping it.
I tried my unlocked S4 with my girlfriend's Verizon SIM from her S5 and couldn't get it to connect to anything. I tried every different network mode I had available and couldn't get it to see any sort of a signal. I'm pretty sure I also tried to manually search for a network and saw Verizon as an option, but didn't end up getting anything out of it.
Punkamonk said:
I tried my unlocked S4 with my girlfriend's Verizon SIM from her S5 and couldn't get it to connect to anything. I tried every different network mode I had available and couldn't get it to see any sort of a signal. I'm pretty sure I also tried to manually search for a network and saw Verizon as an option, but didn't end up getting anything out of it.
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It probably picked up the LTE signal, since it is gsm
I have an HTC One M8 AT&T edition that I converted to Developer Edition. Can I take my verizon SIM and get any kind of service at all on it? I have heard that Verizon has to whitelist IMEI numbers but wanted to confirm there is nothing that can be done for it to even get basic voice/texting capabilities.
dwizzo said:
I have an HTC One M8 AT&T edition that I converted to Developer Edition. Can I take my verizon SIM and get any kind of service at all on it? I have heard that Verizon has to whitelist IMEI numbers but wanted to confirm there is nothing that can be done for it to even get basic voice/texting capabilities.
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Verizon is still using CDMA for voice, so I believe you will not be able to get voice service. Not sure if data would work,and I'd be curious to hear whether it does or not. I'm not exactly sure how Verizon and Sprint SIMs work, since they are not a true GSM SIM.
That isn't really an answer, I realize. Really, more just a couple random thoughts on the matter.
redpoint73 said:
Verizon is still using CDMA for voice, so I believe you will not be able to get voice service. Not sure if data would work,and I'd be curious to hear whether it does or not. I'm not exactly sure how Verizon and Sprint SIMs work, since they are not a true GSM SIM.
That isn't really an answer, I realize. Really, more just a couple random thoughts on the matter.
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I put my Verizon SIM in the HTC M8 Developer Edition (formerly AT&T), the phone is s-off, RUU to latest ROM, and rooted. NO voice service, NO data service.
dwizzo said:
I put my Verizon SIM in the HTC M8 Developer Edition (formerly AT&T), the phone is s-off, RUU to latest ROM, and rooted. NO voice service, NO data service.
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wont work because verizon uses different radio frequencies. you cannot take ANY GSM phone and use it verizons network because its doesnt have verizons radio bands to work on their network....
paul_viado said:
wont work because verizon uses different radio frequencies. you cannot take ANY GSM phone and use it verizons network because its doesnt have verizons radio bands to work on their network....
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Its more complicated than that:
- Yes, since Verizon uses CDMA for voice and EDGE data, you won't get those on a "GSM" M8 since it lacks the CDMA hardware.
- However, Verizon uses LTE for "4G" data in many areas, and in fact the same frequency bands as AT&T in some regions. They share 2 LTE bands (2 and 4) while Verizon also uses Band 13; and AT&T uses 17 (and I think 5) and those are not common between the 2 carriers.
It was an interesting exercise for the OP to try his Verizon SIM in the AT&T phone. I'm guessing there is a difference between a CDMA SIM and a GSM SIM or some other network restrictions that would prevent the AT&T variant M8 for getting any data service.
---------- Post added at 09:10 AM ---------- Previous post was at 09:09 AM ----------
dwizzo said:
I put my Verizon SIM in the HTC M8 Developer Edition (formerly AT&T), the phone is s-off, RUU to latest ROM, and rooted. NO voice service, NO data service.
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The M8 is SIM unlocked? The AT&T variant is SIM locked by default.
redpoint73 said:
The M8 is SIM unlocked? The AT&T variant is SIM locked by default.
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Yes, M8 is SIM unlocked. It recognized the sim but no radio signal or data.
dwizzo said:
Yes, M8 is SIM unlocked. It recognized the sim but no radio signal or data.
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Thanks for the clarification. Then its as I somewhat suspected, and there is either some difference in the CDMA SIM or Verizon's network that is preventing the device from getting service.
Thanks posting the result of your "experiment".