Possible GSM Mod ? - Sharp Aquos Crystal

I know that the sprint variant of the LG G2 was modded to work on GSM radios such as tmobile.. is there any insight on making this happen on this device ? id love to use this with tmo :good:

SystemErrorOne said:
I know that the sprint variant of the LG G2 was modded to work on GSM radios such as tmobile.. is there any insight on making this happen on this device ? id love to use this with tmo :good:
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Discussion of this has been ongoing in the General forum. The assessment is, despite the implication that there's a GSM band in the Crystal's modem, there really isn't one, and it is impossible to use GSM on the device. Supposedly, the SoftBank model has GSM, but we can't exactly confirm that the Sprint and Boost variants are based on the exact same hardware.
http://www.softbank.jp/en/mobile/product/smartphone/aquos-crystal/ The SoftBank site says it can do international GSM as a world phone, but tests say Sprint and Boost can't. It's not exactly confirmed what's going on.
The device is set up with VoLTE, so assuming the carrier has VoLTE on their 4G signal, a GSM carrier would work just fine, but we haven't seen any luck with it yet. Software block is an assumption right now, so maybe when the bootloader is unlocked, but that's still a ways away. We've not even achieved full root yet.

Related

Unlock S5 From Sprint To Tmobile?

I recently got the S5 on sprint and im beyond disappointed with sprints new spark and lte network out here in NY. Im considering going to Tmobile since there lte speeds are crazy good and connection is steady out here. My question is can i get my phone unlocked and bring my sprint version phone over to Tmobile? I was told by a Tmobile rep that my phone would go down to 2g speeds and its not guaranteed to even get lte. Which i find hard to believe since since my phone has the option to also go on GSM/UMTS. Whats your guys thoughts on this?
darknatas said:
I recently got the S5 on sprint and im beyond disappointed with sprints new spark and lte network out here in NY. Im considering going to Tmobile since there lte speeds are crazy good and connection is steady out here. My question is can i get my phone unlocked and bring my sprint version phone over to Tmobile? I was told by a Tmobile rep that my phone would go down to 2g speeds and its not guaranteed to even get lte. Which i find hard to believe since since my phone has the option to also go on GSM/UMTS. Whats your guys thoughts on this?
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darknatas said:
Bump
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Sprint phones cant work with T-Mobile, Sprint blocks other US GSM carriers from using their phone.
Sprint phones can only be used outside of the states
Vlade12 said:
Sprint phones cant work with T-Mobile, Sprint blocks other US GSM carriers from using their phone.
Sprint phones can only be used outside of the states
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So even if i get the phone unlocked i wont be able to use it on tmobile?
darknatas said:
So even if i get the phone unlocked i wont be able to use it on tmobile?
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Correct. Sprint uses different frequency ranges, so unlocked or not it's just not going to communicate.
ATT and T-Mobile work due to the overlap. In fact, for a while there ATT was going to purchase T-Mobile before the FCC put a halt to that.
Glad too as T-Mobile is now shaking up the market and forcing (encouraging?) Verzion and ATT to try and adopt similar measures in order to maintain customer base.
Vlade12 said:
Sprint phones cant work with T-Mobile, Sprint blocks other US GSM carriers from using their phone.
Sprint phones can only be used outside of the states
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I dont think this is correct. Albeit S5 is a different phone, but I unlocked 4 SPH-L720 S4's from Sprint to Tmobile no problem using the following thread: http://forum.xda-developers.com/showthread.php?t=2530610
If S5 could use the same methods, you would get 3G and HSPA+ on the Sprint S5 using a TMobile SIM.
I was able to get LTE using a TMobile SIM on a Sprint S4 by using DFS to edit the NV to enable AWS 1700 LTE Band in NV items, then flashing the TMobile HOS and MODEM bin files - along with copying the *ril*.so libraries to the system/lib directory. This ultimately allowed me to select the LTE/WCDMA/GSM option in Mobile Networks.
Not many people know about this but I found it in an i337 thread on how to unlock AWS on a S4.
bcas9472 said:
I dont think this is correct. Albeit S5 is a different phone, but I unlocked 4 SPH-L720 S4's from Sprint to Tmobile no problem using the following thread: http://forum.xda-developers.com/showthread.php?t=2530610
If S5 could use the same methods, you would get 3G and HSPA+ on the Sprint S5 using a TMobile SIM.
I was able to get LTE using a TMobile SIM on a Sprint S4 by using DFS to edit the NV to enable AWS 1700 LTE Band in NV items, then flashing the TMobile HOS and MODEM bin files - along with copying the *ril*.so libraries to the system/lib directory. This ultimately allowed me to select the LTE/WCDMA/GSM option in Mobile Networks.
Not many people know about this but I found it in an i337 thread on how to unlock AWS on a S4.
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Click to collapse
So you can get full speeds on gsm networks with the sprint version? in the US or out?
Is that right?
bcas9472 said:
I dont think this is correct. Albeit S5 is a different phone, but I unlocked 4 SPH-L720 S4's from Sprint to Tmobile no problem using the following thread: http://forum.xda-developers.com/showthread.php?t=2530610
If S5 could use the same methods, you would get 3G and HSPA+ on the Sprint S5 using a TMobile SIM.
I was able to get LTE using a TMobile SIM on a Sprint S4 by using DFS to edit the NV to enable AWS 1700 LTE Band in NV items, then flashing the TMobile HOS and MODEM bin files - along with copying the *ril*.so libraries to the system/lib directory. This ultimately allowed me to select the LTE/WCDMA/GSM option in Mobile Networks.
Not many people know about this but I found it in an i337 thread on how to unlock AWS on a S4.
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Has anyone comfermed this? To my knowledge the Sprint/Verizon phones are not cross compatable with AT&T and T-mobile. Some verizon phones are the exception but basicily its a no go from CDMA phone to GSM tech.
confirm
i can confirm the sprint s4 does work on tmobile with a bit of editing and following the gsm domestic tutorial on xda, however this part about the modem.bin and hlos isnt confirmed and i have done this and ended up hard bricking my devices and had to jtag to repair them. ive tried many times and always bricked so i say no go.
this forum is for the sprint s5 and i would hope we can find a loophole to get it gsm unlocked. any ideas? ive tried a few things but no luck
Theres alot of incorrect information here. The latest Sprint phones using sim cards ARE ABLE to use T-Mobile and AT&T as long as GSM is in the hardware. I dont own the S5 but for those blinding others with frequency talk I'm tired of seeing, read it and weep:
http://www.phonescoop.com/phones/phone.php?p=4408
Sprint S5 supports GSM. Now of course no LTE on T-Mobile due to the lack of the 1700 frequency,
but your 4G will be fine. Depending on where you live, you may not even care about LTE over 4G.
Sure, Sprint locks the darn thing up to avoid it getting into the hands of other domestic carriers, but
just as the Sprint Note 3 and my Sprint LG G2, a workaround has been invented. For the G2 it was as
"borrowing" the stock T-Mobile LG G2 firmware and tweaking it to boot up on our LS980. We have
about 3 different tastes of working unlocked roms, not only sticking to T-Mobile, but other carriers
reported working such as Metro PCS and AT&T. So my guess is that the S5 may need a similar
treatment, nobody wants Sprint honestly. The first 14 days (brought in my own LG Optimus G LS970)
I was with them service was glorious here in NYC. But after the 14 day "trial period" ended I was
DAMNED into horrible service, constant 3G instead of 4G, etc. Thanks to refusing to make payments
due to the disgusting service, my GS4's IMEI is basically crap, so I sold it in the same week I got it.
I should have never swapped it out for the LG OG...
Honestly, I'll thank every OP I see that "unlocks" the Sprint version of any phone for domestic GSM
use. Their silly Sprint Spark is useless, why introduce something new when they dont even have full
4G coverage here in the USA? And their agents sound like "AI" controlled cyborgs: "Oh we're sorry to
hear that, your zone is scheduled to be recieving 4G soon." Yeah right. I feel sorry for those who suffer
in other states.
ANYWAYS sorry for drifting off topic. The recap here is that the Sprint S5 IS capable of domestic GSM with some modding.
And also that I hate Sprint.
Any Updates on this
Does anyone have any news on this? I have a S5 from sprint and want to use it with tmobile or other gsm carrier. any1 have any updates on the UCCI deal i read about somewhere? I have the spc phone is rooted what do i need to do? cant bring up the service menu to change things there.. kind a lost pls help
..
lease has anyone found a solution for enabling aws bands on galaxy s5? i have the at&t active version unlocked and rooted using on tmobile but i get only edge :/
What is the verdict? Is there anyone who knows you can use it on any network? I am getting mine tomorrow and am unlocking it. Is there a way to test if they will work on any network? I have many sim cards from diff carriers.
..
unlock sprint
fffft said:
There have been a lot of threads about this, so clearly few are even bothering to search the forum for existing threads and the wealth of information in them.
Sprint is a CDMA system like Verizon & USC. CDMA per se is incompatible with GSM, which is what most of the world uses. The Sprint S5 only supports some of the most common GSM frequency bands and moreover will have a locked bootloader and SIM.
Sprint will not unlock the SIM (actually SPC code) to allow using it with other domestic carriers. You can find third party vendors that will "SPC unlock" your Sprint phone. But then you will find that Sprint's S5 won't support any of the LTE bands on other CDMA or GSM carriers and misses some GSM bands too.
Nor can you use custom ROMs, kernels or recoveries in the normal manner due to the locked bootloader. You could probably use the Verizon Safestrap method to emulate a limited palette of custom ROMs, but you would have to do your due dilligence there and look into the details.
In short, if you jump through enough hoops, you can use a Sprint S5 on another carrier like TMobile. But it will always be marginal. You won't get LTE data speeds, you will see more congestion than those using native handsets, due to your reduced number of bands. And you may have no coverage at all in some fringe areas served by a TMB band that your handset doesn't have.
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The limitation of what "bands" the radio will cover are software defined. if you look around. you can find a way to modify those defined rules.
to allow it to use 1700 LTE. although the legality may be questionable as the FCC approval for that model was not tested with the LTE. The baseband chip/radio still supports the band with the software changes
..
impossible
fffft said:
There have been a lot of threads about this, so clearly few are even bothering to search the forum for existing threads and the wealth of information in them.
Sprint is a CDMA system like Verizon & USC. CDMA per se is incompatible with GSM, which is what most of the world uses. The Sprint S5 only supports some of the most common GSM frequency bands and moreover will have a locked bootloader and SIM.
Sprint will not unlock the SIM (actually SPC code) to allow using it with other domestic carriers. You can find third party vendors that will "SPC unlock" your Sprint phone. But then you will find that Sprint's S5 won't support any of the LTE bands on other CDMA or GSM carriers and misses some GSM bands too.
Nor can you use custom ROMs, kernels or recoveries in the normal manner due to the locked bootloader. You could probably use the Verizon Safestrap method to emulate a limited palette of custom ROMs, but you would have to do your due dilligence there and look into the details.
In short, if you jump through enough hoops, you can use a Sprint S5 on another carrier like TMobile. But it will always be marginal. You won't get LTE data speeds, you will see more congestion than those using native handsets, due to your reduced number of bands. And you may have no coverage at all in some fringe areas served by a TMB band that your handset doesn't have.
.
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What in the heck? Who fed you this bologna? Do you work for Sprint? Cause I have various complaints for you if you do. My SPRINT G2 running a T-Mobile G2 stock rom which is unlocked DOMESTICALLY works perfectly fine with T-Mobile's 4G. I don't think many people care about LTE, getting off of Sprint alone is a huge leap for mankind (in this case G900P owners). And as it was mentioned, there are ways to get that nice LTE band for various devices with simple mods, problem is that it is NOT widely recognized yet and very few people know that the possibility exists because of various misleading posts that "its all in the hardware" and fingers being pointed at Qualcomm's techniques. Yes there is a possibility for a domestic unlock, sure there might not be LTE for it, but most people will be content with the fact that they can use their expensive locked down phone with another carrier. Honesty Sprint devices would be better off being sold for less than carriers that actually DO allow domestic unlocks. Why do we pay over half a "K" for a phone that in reality we do not completely have full rights over? Why do other carriers alow domestic unlocks and Sprint wants to be greedy and lock in all of their customers with shady contracts and decieving bills?
Thats why many of us including myself would be beyond grateful if we even get some 3G with another carrier. We have CDMA capabilities, we have GSM capabilities, all we need is some sort of domestic unlock.
There is NO third party unlock code of any sorts that will unlock a phone that is unlocked OTA. Check around for many posts from various foreign users who have gotten stuck with a useless Galaxy S5 that can only be used with wifi thanks to Sprint. Is it their fault? No. It is purely Sprint's fault for being so damn greedy. Thankfully I am hearing news that by February of 2015 all devices will be GSM and have the capabilities to be unlocked for domestic use.
Custom roms, honestly most of us are just unsatisfied with the average and like to go to the unique side. But is Cyanogenmod going to allow us to use Air Gestures and all the other cool features of the S5? Not really. Custom kernels would be nice, but many people only seek then in order to overclock their device, which this device is in particular really doesn't need any more added power (or battery drain) than it already has. Optimization tweaks might be worth it but I dont see it helping. If someone could fix the delayed multitasking transitions (switching from one app to the other at times is delayed a second or two) or the crashing browser without custom roms or kernels, then it is best not to waste time on the development of such things. But then again there are those who prefer stock android in combination with other features such as the AMOLED screen technology, but it is best to look for another device.

Custom ROIM's Texting broken

So how come no matter what Custom ROM I try I can't text or get LTE support what so ever? Maybe I'm spoiled but it seems pointless to me
Krairo said:
So how come no matter what Custom ROM I try I can't text or get LTE support what so ever? Maybe I'm spoiled but it seems pointless to me
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Maybe.
Seems like you just wanted to vent. You didn't say what custom ROMs you have tried or any other useful details, which leaves me no choice but to assume that you either haven't tried many ROMs or are wildly exaggerating.
Most of the ROMs that I have used work fine for both SMS and LTE. If you post a better description of your situation, what ROMs you have tried, specific errors you had, etc, then we'd have a much better basis to help you.
.
fffft said:
Maybe.
Seems like you just wanted to vent. You didn't say what custom ROMs you have tried or any other useful details, which leaves me no choice but to assume that you either haven't tried many ROMs or are wildy exaggerating.
Most of the ROMs that I have used work fine for both SMS and LTE. If you post a better description of your situation, what ROMs you have tried, specific errors you had, etc, then we'd have a much better basis to help you.
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On the 900P G5
phoenix ROM v2.0 & SpeedROM v4 DEODEXED. No error except APN settings are non existant, same with seeing the LTE feature on the network type at all, & when sending a text it times out and says try again with no error except did not send try again.
Krairo said:
On the 900P G5
phoenix ROM v2.0 & SpeedROM v4 DEODEXED. No error except APN settings are non existant, same with seeing the LTE feature on the network type at all, & when sending a text it times out and says try again with no error except did not send try again.
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Your original statement was rather dramatic:
Krairo said:
how come no matter what Custom ROM I try I can't text or get LTE support what so ever?
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That implies that you have searched exhaustively without productive results. But you've only tried two ROMs. You are factually mistaken about the first ROM, and I'd wager about the second one too.
You said that there are no APN settings in Phoenix 2.0. I just reinstalled Phoenix and the APN settings are present in the expected place
Settings > Connections > More networks > Mobile networks > APN
SMS works fine as well.
For your LTE issues, you said that you are using a 900P model, but didn't say what carrier you use. You have a Sprint phone, so confirm that Sprint has LTE in your particular area and that your SIM /account is provisioned for LTE.
If you are using the handset on a different carrier then your LTE problems are due to using an incompatible phone, not ROM bugs. Sprint is a CDMA carrier, with limited LTE and even more limited compatibility with LTE on GSM carriers. This is not a ROM limitation, but caused because you have a CDMA version of the S5 that isn't configured for much more than the specific bands that Sprint uses.
Note that the specs for the 900P say that it can access LTE bands 25/26/41.
Now compare that to some GSM carriers
TMobile LTE bands 1/2/3/4/5/7/8/14/17
ATT LTE bands 1/2/3/4/5/7/17
Bell LTE bands 1/2/3/4/5/7/8/17
900F LTE bands 1/2/3/5/7/8/20
Or CDMA carriers
Verizon LTE bands 4/13
US Cellular LTE bands 2/4/5/12/17
You can see that most GSM carriers are largely compatible in the LTE bands that they use. The CDMA carriers in contrast have few bands in common with each other or GSM carriers.
In particular, your 900P doesn't appear to have any LTE bands in common with any of the other carriers. So the only way you will get LTE is if you are using Sprint in an area where Sprint has LTE service. Due to 900P restrictions, not the ROM.
.
Wrong LTE is available on sprint & in my area. And APN is non existent when using those ROMs. So its not my phone unless they don't support my phone
Good luck with your issues.
--------------------
None so deaf as those that will not hear. None so blind as those that will not see.
attrib. Heywood Dialogue of Proverbs, 1546
Krairo said:
So how come no matter what Custom ROM I try I can't text or get LTE support what so ever? Maybe I'm spoiled but it seems pointless to me
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Click to collapse
1. Did you used OLD SIM that you were using in your device before S5?
2. If yes than, Did that device had LTE?
3. If the the answer is Q 2 is NO, than simple solution, your SIM is not LTE activated. Just go to your service provider and tell them to change the SIM with LTE activated SIM... Hope it helps...
Chaitanyapatel8880 said:
1. Did you used OLD SIM that you were using in your device before S5?
2. If yes than, Did that device had LTE?
3. If the the answer is Q 2 is NO, than simple solution, your SIM is not LTE activated. Just go to your service provider and tell them to change the SIM with LTE activated SIM... Hope it helps...
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Ok I had the iphone 5 on sprint. Yes it came with LTE & I honestly don't know if he used the same sim
does your phone works on stock rom?
Capt. Chaitanya Patel
If my post helped you than please click on THANKS button, it might be a little for you but VERY BIG for me... :angel:
My Contribution to XDA:
[GUIDE] [MAJOR UPDATE:5-JUL-14] Extreme Batterylife thread ADVANCE SETUP GUIDE

What LTE bands does Sprint HTC 10 have?

I can't find any definitive answers on this. All I know is the minimum is 25, 26 and 41 but it'd be nice to know the full list. I travel internationally and without other LTE bands like band 7, it makes it tough to use it anywhere outside the US.
EDIT: Someone answered this question in another thread but it would be good to get screenshots to verify this.
m03sizlak said:
LTE Bands: 2 / 4 / 5 / 7 / 12 / 13 / 25 / 26 / 41
I've heard that the FCC filings show that the Sprint variant is not capable (tested or approved) for GSM or WCDMA, which is kind of disappointing since I travel a lot in Canada. Any confirmation on this?
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This list of bands is a little better than both the Sprint variants of the LG G5 and Samsung Galaxy S7. If this phone can be unlocked, you at least have a way to go abroad and use LTE connections in much of Europe and elsewhere. Band 7 is the most common band in the world from what I understand.
I'm curious about this comment about GSM and WCDMA. Hopefully someone can verify this one way or another.
asuh said:
I'm curious about this comment about GSM and WCDMA. Hopefully someone can verify this one way or another.
Click to expand...
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Did you ever get an answer on this? I have a Sprint variant of the 10 and am trying to unlock it as I will be travel for the next 2 years. I've done everything I can think of but cannot get the phone's radio to work with any unlocked ROM. I could use some help here. Any advice or information you can provide?
vijn said:
Did you ever get an answer on this? I have a Sprint variant of the 10 and am trying to unlock it as I will be travel for the next 2 years. I've done everything I can think of but cannot get the phone's radio to work with any unlocked ROM. I could use some help here. Any advice or information you can provide?
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If you plan to travel outside the US during most of this time, your best options are to sell your HTC 10 and get one of the few unlocked flagship phones on Sprint's networks, assuming you want to stay with Sprint.
Here are your options:
Google Pixel
Samsung Galaxy S7 SM-930U
Samsung Galaxy S7 SM-935U
Nexus 6P or 5X
Motorola X Pure Edition
Apple iPhone
Here's a full list as of February 2017 of radio unlocked phones compatible with Sprint.
There are other unlocked phones that are not compatible with Sprint because CDMA and LTE bands are crippled or missing.
asuh said:
If you plan to travel outside the US during most of this time, your best options are to sell your HTC 10 and get one of the few unlocked flagship phones on Sprint's networks, assuming you want to stay with Sprint.
Here are your options:
Google Pixel
Samsung Galaxy S7 SM-930U
Samsung Galaxy S7 SM-935U
Nexus 6P or 5X
Motorola X Pure Edition
Apple iPhone
Here's a full list as of February 2017 of radio unlocked phones compatible with Sprint.
There are other unlocked phones that are not compatible with Sprint because CDMA and LTE bands are crippled or missing.
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Click to collapse
Thanks for the response. The thing is I'm not on Sprint and have no desire to be. I won't be in the states long. I bought the phone thinking that like most, it could be unlocked and used as needed wherever I travel to. I knew it wasn't unlocked but figured I could do it myself. Well, I've tried a number of times, and keep having an issue with the radio. Can you explain what you mean by bands being crippled? What I'm trying to find out now is whether it's possible for me to get this HTC10 completely unlocked. I think I've done everything right but maybe not. I'm kinda desperate at this point. I love this phone. And if I have to I'll return it and grab another that can be unlocked but I just have a hard time believing that the phone can't be unlocked. It's a strange concept for me. Any help or info would be appreciated.
vijn said:
Thanks for the response. The thing is I'm not on Sprint and have no desire to be. I won't be in the states long. I bought the phone thinking that like most, it could be unlocked and used as needed wherever I travel to. I knew it wasn't unlocked but figured I could do it myself. Well, I've tried a number of times, and keep having an issue with the radio. Can you explain what you mean by bands being crippled? What I'm trying to find out now is whether it's possible for me to get this HTC10 completely unlocked. I think I've done everything right but maybe not. I'm kinda desperate at this point. I love this phone. And if I have to I'll return it and grab another that can be unlocked but I just have a hard time believing that the phone can't be unlocked. It's a strange concept for me. Any help or info would be appreciated.
Click to expand...
Click to collapse
First, go go Google and look up what LTE bands are.
Crippled LTE bands = the hardware inside the phone will not allow certain LTE bands to work unless physically altered. It doesn't matter which ROM you install, you will not unlock all the LTE bands without physical alteration. https://www.quora.com/Does-installing-different-rom-change-LTE-band-frequency
So no, HTC 10 will never be completely unlocked. Look at the list above and buy one of those phones if you want a completely unlocked phone.
asuh said:
First, go go Google and look up what LTE bands are.
Crippled LTE bands = the hardware inside the phone will not allow certain LTE bands to work unless physically altered. It doesn't matter which ROM you install, you will not unlock all the LTE bands without physical alteration. https://www.quora.com/Does-installing-different-rom-change-LTE-band-frequency
So no, HTC 10 will never be completely unlocked. Look at the list above and buy one of those phones if you want a completely unlocked phone.
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I'm not sure I fully understand. Yes, I know that different chips have different bands that they work with. So, what you're saying is the Sprint HTC10 variant uses either a different chip or has some sort of other hardware configuration that is incompatible with GSM and the wider LTE bands and that no matter what I do with this phone I'll never have a truly unlocked phone? That's what I have understood, so my best option is to send it back. Ok, I get that. But I have read across tons of forums and threads of people who unlocked their Sprint 10s and are able to use them on other non-cdma carriers. So, how does that work? Are all the Sprint 10s the same or are some more limited than others? Are you essentially saying that i would have to get an unlocked/dev edition of the htc10 to be able to use GSM in other countries?
Sorry if i'm asking stupid questions here, I'm just trying to fully understand this. Thanks again for helping me out on this.
If anyone reading this knows better, please feel free to correct me.
This is my understanding of LTE bands and CDMA/GSM radios.
Phones like HTC 10, which are locked, include hardware that are built for specific usages. Prior to HTC 10, HTC phones built for Sprint's CDMA radio were specifically built to lock out GSM radio signals and most other LTE bands using the hardware. This means you'd have to open the physical device and modify the wiring inside the phone in order to allow other signals to work.
As of HTC 10, the locks are supposedly now just software based but I haven't seen proof of that. What this essentially means is that you should be able to unlock the bootloader and flash new Roms that could allow the GSM radio to work universally. However, lots of people are having issues with it. Here's one story of someone who was mostly successful but still had issues:
https://forum.xda-developers.com/showpost.php?p=68960210&postcount=47
Read through the thread above and you'll see a lot of people having issues trying to fully unlock the radios and LTE bands for this phone.
If you ultimately don't want to be on Sprint anyway, I think you really should consider getting something already unlocked that can universally work anywhere. And lots of interesting non-Sprint compatible phones like OnePlus 3t (among the others on the lists I provided) are already unlocked and have a lot of good capabilities and would work great anywhere. The Pixel is one of the best devices out there and the camera is amazing from what most people say.
So I think your options are limited and I'd highly suggest you consider getting a Pixel or something else already unlocked.
asuh said:
If anyone reading this knows better, please feel free to correct me.
This is my understanding of LTE bands and CDMA/GSM radios.
Phones like HTC 10, which are locked, include hardware that are built for specific usages. Prior to HTC 10, HTC phones built for Sprint's CDMA radio were specifically built to lock out GSM radio signals and most other LTE bands using the hardware. This means you'd have to open the physical device and modify the wiring inside the phone in order to allow other signals to work.
As of HTC 10, the locks are supposedly now just software based but I haven't seen proof of that. What this essentially means is that you should be able to unlock the bootloader and flash new Roms that could allow the GSM radio to work universally. However, lots of people are having issues with it. Here's one story of someone who was mostly successful but still had issues:
https://forum.xda-developers.com/showpost.php?p=68960210&postcount=47
Read through the thread above and you'll see a lot of people having issues trying to fully unlock the radios and LTE bands for this phone.
If you ultimately don't want to be on Sprint anyway, I think you really should consider getting something already unlocked that can universally work anywhere. And lots of interesting non-Sprint compatible phones like OnePlus 3t (among the others on the lists I provided) are already unlocked and have a lot of good capabilities and would work great anywhere. The Pixel is one of the best devices out there and the camera is amazing from what most people say.
So I think your options are limited and I'd highly suggest you consider getting a Pixel or something else already unlocked.
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Click to collapse
They are software based. I have unlocked AT&T bands on my Sprint variant, 2 actually , and they worked perfectly fine. I would show you proof but I am back on T-Mobile which the Sprint HTC 10 already has LTE support for by default.
unlock
jblparisi said:
They are software based. I have unlocked AT&T bands on my Sprint variant, 2 actually , and they worked perfectly fine. I would show you proof but I am back on T-Mobile which the Sprint HTC 10 already has LTE support for by default.
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how did you unlock it manualy? can you show me some instruction?
jacobtvaliashvili said:
how did you unlock it manualy? can you show me some instruction?
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See my other reply.

Unlocked SM-N900T

Hello, I recently came across a Note 3 tmobile variant online that is unlocked. I know that it is a dual band cell phone and I am looking to use it on my Sprint account. The person I acquired it from says that she used it on Verizon (even after a point when she would not benefit from lying). I am not completely new to flashing phones over from one CDMA carrier to another (prls, msls, mdns, NAM, programming, etc.), nor am I am new to rooting etc. However I am beyond lost when trying to go from TMo to Sprint on a dual band phone. Is this possible? How might I go about accomplishing this? Will I be locked into a specific rom? Any help will be greatly appreciated.
By dual-band, you mean CDMA and gsm?
You can't flash a Sprint ROM into a T-Mobile phone. and you can't convert an n900t to a CDMA.
audit13 said:
By dual-band, you mean CDMA and gsm?
You can't flash a Sprint ROM into a T-Mobile phone. and you can't convert an n900t to a CDMA.
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Yes it has GSM and CDMA from everything I have seen online, additionally in the settings of the phone itself it also offers a choice in connectivity to GSM or CDMA.
I don't have the phone but are you sure it doesn't say wcdma in there n900t?
audit13 said:
I don't have the phone but are you sure it doesn't say wcdma in there n900t?
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Ahh, good call. It does. Thanks.

Unlocked Sprint LS997 on Verizon?

I am using a Sprint unlocked phone on AT&T and works perfectly. Last night I tried my friends Verizon SIM card and it read everything perfectly. It recognized his phone number, network state well. Does this mean I can use it on Verizon? But when I check the IMEI with Verizon it says incompatible! Any input?
My guess is they don't officially support it but since it supports the right lte bands it will work on 4g but maybe not 3g.... Out of curiosity because I may need to do the same thing in the future how did you get the Sprint V20 unlocked
jesmann said:
My guess is they don't officially support it but since it supports the right lte bands it will work on 4g but maybe not 3g.... Out of curiosity because I may need to do the same thing in the future how did you get the Sprint V20 unlocked
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I used a remote unlock service through ebay.
What version of the software did you have when you unlocked it ?

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