[Q] Unlocking the Fascinate for a different carrier? - Fascinate Q&A, Help & Troubleshooting

I'll be visiting India for a month and would like to use my Fascinate with a local carrier while I'm there and continue with Verizon once I get back. Do I have to unlock the phone? Is it possible? and how?
I have used GSM phones successfully over there in the past but this is my first CDMA phone, so I don't know much about it.
I found this, but don't know if it is Sprint specific.
TIA.

Not very likely. CDMA phones can't be unlocked nearly as easily as GSM phones, if at all. You have to basically flash a new radio ROM that will work with whatever CDMA carrier you are going to be using the device on. I would search around and see what you can find, by my personal searching points to no.

our phones don't use a sim card, so it's highly unlikely you could use it over there. however, verizon offers loaner phones for out of country use.

If the carrier will allow flashed phones, the fascinate is as simple as it gets. Flash mip and all other information along with prl using qpst build 323. Then plash ppp for 3g using build 215. Yeah, it's that simple.

jenisiz said:
If the carrier will allow flashed phones, the fascinate is as simple as it gets. Flash mip and all other information along with prl using qpst build 323. Then plash ppp for 3g using build 215. Yeah, it's that simple.
Click to expand...
Click to collapse
Thanks, I didn't understand half of it but I'll Google it up
If I do all this, will I be able to use my phone with Verizon once I get back?

Heh; semi-derailing of topic and food for thought.
A co-worker of mine has a vibrant (T-mobile). Apparently you can flash GSM to CDMA and vice versa, but it breaks a lot of stuff
Note: I said 'flash' - I didn't say anything about it working. Your phone will boot though and it'll look like that version you flashed... but it don't work.
This is why you search before bricking (I'm a bit over novice with software and got outta brick mode with a little help from here).

Welllll....basically you just flashed a CDMA ROM maybe, because flashing GSM radio information to a CDMA device(which I doubt would even work) would most certainly brick your radio.

Pretty sure the CDMA radio on the Fascinate will NOT work on the other major CDMA carrier which is Sprint, and the Fascinate will definitely NOT work with GSM carriers such as AT&T and T-Mobile. Although, it is entirely possible to flash to another minor carrier such as MetroPCs or Cricket, with special instructions of course.

Related

Updated tutorial on Touch Pro Sprint->Verizon?

I can't seem to find an up-to-date tutorial on performing this process. I found some from mid-2009, but people are commenting that *228 doesn't work, this thing doesn't work anymore, that thing doesn't work anymore. Has anyone done this process recently?
I am trying to get this phone onto Verizon without a data plan since I will just be using wifi.
As far as I know, Sprint phones are GSM, VrzWls are CDMA. Totaly different frequencies. It is impossable (without an enginering degree and a lot of solder) to make one work on the others towers.
Sprint phones are not GSM they are CDMA
Thelgord said:
As far as I know, Sprint phones are GSM, VrzWls are CDMA. Totaly different frequencies. It is impossable (without an enginering degree and a lot of solder) to make one work on the others towers.
Click to expand...
Click to collapse
There are a lot of people on these forums that have done it - I just can't find concise up-to-date directions.
have you tried loading a verizon prl on the phone? i have my sprint tp on pageplus, which is a verizon mvno, and it wouldn't program ota until i loaded the prl.
I have not tried loading anything yet. I am still looking for directions that are not from 2008. Also, I have no interest in custom roms at this point. I simply want the Sprint phone to work on the Verizon with the least amount of work.
martyxng said:
I have not tried loading anything yet. I am still looking for directions that are not from 2008. Also, I have no interest in custom roms at this point. I simply want the Sprint phone to work on the Verizon with the least amount of work.
Click to expand...
Click to collapse
Step 1. Grab your phone and take it to a Verizon store to have it activated on their network...
End of subject
There are other things that you can do manually, but since the only thing you are interested in is to have the phone working for a different carrier, then that is all you need to do.
martyxng said:
There are a lot of people on these forums that have done it - I just can't find concise up-to-date directions.
Click to expand...
Click to collapse
The only true part about Thelgord's statement is that Verizon is a CDMA network. Please don't pay attention at anything else in that statement.
egzthunder1 said:
Step 1. Grab your phone and take it to a Verizon store to have it activated on their network...
End of subject
There are other things that you can do manually, but since the only thing you are interested in is to have the phone working for a different carrier, then that is all you need to do.
Click to expand...
Click to collapse
What? I thought Verizon wouldn't do that. Plus, don't I need to convert radios and such from Sprint to Verizon?

[Q] Unlocked phone question

First of all, let me say that I'm not trying to break any laws here. I am simply curious about some technical aspects.
Q: What kind of tweaks would be involved to make a CDMA phone from one carrier work with another CMDA carrier? E.G., A droid running on Sprint or an EVO on Virgin Mobile.
I started researching about this, but I can hardly find any info. Are unlocked phones not that popular anymore or do carriers just not support them?
From what I gathered, one would have to change PRLs, install new phone,telephony, and mms APKs, and probably change MEID/ ESN and possibly flash new radios and have an unlocked phone of course.
How close am I here?
TY in advance.
super coffee said:
First of all, let me say that I'm not trying to break any laws here. I am simply curious about some technical aspects.
Q: What kind of tweaks would be involved to make a CDMA phone from one carrier work with another CMDA carrier? E.G., A droid running on Sprint or an EVO on Virgin Mobile.
I started researching about this, but I can hardly find any info. Are unlocked phones not that popular anymore or do carriers just not support them?
From what I gathered, one would have to change PRLs, install new phone,telephony, and mms APKs, and probably change MEID/ ESN and possibly flash new radios and have an unlocked phone of course.
How close am I here?
TY in advance.
Click to expand...
Click to collapse
Unlocked phones are very popular but CDMA phones are not when it comes to unlocking. Ultimately you have to get the company to agreebto add the phone to its network which it has the right to refuse lt. You would need to change the ESN which is not legal anywhere and why you won't find the info on XDA.
Thread closed

[Q] Possible to flash HTC Evo 3D to work on au KDDI?

Hello all.
I've searched through forums here on XDA as well as other sites on internet for an answer to this and nothing so far. I own the HTC Evo V 4G (Evo 3D for Virgin Mobile) and I love the phone, especially after flashing the new radio firmware and MidnightRom. I just found out though that I have come up on military assignment to Japan. I know the mobile carrier au KDDI has the same phone in Japan (HTC EVO 3D ISW12HT) and that they have WiMax coverage in the area I'm going. My question is: is there a way to flash this phone to operate on au by KDDI networks? I've researched the Japanese flavor of this phone and as far as I can tell it is the same phone spec-wise and both can operate on the same CDMA bands. I assume I would need to flash new radios for KDDI, but would I need to flash a stock KDDI RUU.executive altogether? If I had to flash to KDDI stock ROM, could it be flashed with a custom ROM after? The specs for my phone configuration are below:
Software: MidnightRom 1.3.9
Model: PG86100
Android: 4.0.3
Kernel: 3.0.52-ck1-Anthrax
Baseband: 1.09.00.0706
Build: 1.13.652.2_R2
PRI: 153_144
PRL: 61009
HBOOT: 1.57.000 Stock (Locked)
Recovery: TWRP 1.1.1
S-OFF: JBear method
I know how to and have flashed almost everything on this phone when given good instructions. The only thing I haven't flashed on this is the Hboot but I know how to do that as well and should have no issues now that I'm on custom ROM. Any help would be greatly appreciated and please, before you go and say it can't be done have some proof to back it up. I have seen this phone flashed to almost every CDMA carrier there is. The only thing I know of that might be an issue is if the US and Japanese KDDI has different partitions or mount points for the phones internal partitions, otherwise the phone is pretty resilient for what is supposed to be a carrier "locked" phone. Thanks in advance for any help!
fn_noobee said:
I just found out though that I have come up on military assignment to Japan.
Click to expand...
Click to collapse
Ah cool, I'm hoping my first assignment will be in Japan.
fn_noobee said:
I've searched through forums here on XDA as well as other sites on internet for an answer to this and nothing so far.
Click to expand...
Click to collapse
Well, there's only two things I can think of. The first isn't very likely:
au KDDI may be able to flash phones from other carriers. My current service (MetroPCS) allows for that. They'll reprogram the phone to work on their service. I'm really not sure if au KDDI does that.
The next thing I can think of:
Buy a phone from them (a cheap one) and have it activated. Then use it as a donor phone to swap the ESN/MEID on to your Evo 3D. I think Boost Mobile users and Virgin Mobile users do this to flash Sprint Evo 3D's on their service. Setting all legality aside, I think it would definitely work since they are both the same model and both CDMA. Although, you would need to obtain au KDDI's programming information & PRL somehow, which probably exists somewhere on the internet (ie the MMS settings, data settings, etc.). I'm sure you could even flash any ROM you wanted to.
It's not too hard of a concept, there are similar guides for other services, for example this:
http://androidforums.com/evo-4g-all-things-root/460035-evo-4g-boost-mobile-guide-evo-3d.html
Maybe you could be the first to come up with a solution?
Thanks for the helpful and informative reply. I have seen a tutorial similar to the one you linked with a way to flash the HTC Evo V 4G to Straight Talk (basically prepaid Sprint network to prepaid Verizon network) by using a fairly inexpensive 3G capable donor phone for the ESN/MEID. The only downside was that the phone lost 4G (WiMax) capability and they were some tweaks/mods to get MMS working. I believe SMS was functional. If I did something like this, I would really like to keep the WiMax capabilities of this phone as even though I don't have WiMax here where I live, WiMax is available where I'm going (apparently WiMax has really expanded in Japan in comparison to the US). I will see what I can work out. Hopefully au KDDI offers phone flashing services, but I have read they are more stringent in their policies of locking/unlocking phones than here in the States. If someone knows of a tutorial somewhere on the net or has done this before and can post a tutorial I'd greatly appreciate it

[Q] Flash Rezound to Boost Mobile

I've never flashed a phone to a different CDMA provider so I thought I'd ask here first and see if anyone had knowledge of how to do this? Or point me in the right direction to somewhere to learn how to? I've unlocked the GSM radio for use on att already and I'm sure it's a similar procedure, but I followed a guide to do this and have little experience with it. Thanks in advance to anyone that has information on this.
Sent from my SPH-L710 using Tapatalk 2
*BUMP*
Sent from my SPH-L710 using Tapatalk 2
Corutesy bump for wanting to switch the rezound I'm getting soon to Virgin Mobile.
sent from GSN2 using Tapatalk 4
---------- Post added at 04:05 AM ---------- Previous post was at 03:44 AM ----------
Also, how did you go about unlocking your phone? If you unlocked the gsm attenna. I assume that the phone is fully unlocked and you should just be able to switch it over. As long as it isn't on another account I.e. Verizon.
sent from GSN2 using Tapatalk 4
anubis2k3 said:
I've never flashed a phone to a different CDMA provider so I thought I'd ask here first and see if anyone had knowledge of how to do this? Or point me in the right direction to somewhere to learn how to? I've unlocked the GSM radio for use on att already and I'm sure it's a similar procedure, but I followed a guide to do this and have little experience with it. Thanks in advance to anyone that has information on this.
Sent from my SPH-L710 using Tapatalk 2
Click to expand...
Click to collapse
The CDMA providers blacklist phones from being used on other CDMA providers networks. "Flashing" in this sense is stealing and ESN/IMEI from an existing phone and cloning it to your phone. Not only is it extremely risky for your hardware, it is extremely against the law and cannot be discussed on these forums.
Certain phones like the Rezound and the Dinc4G have additional feature of GSM radios added for compatibility with oversea networks, you aren't really flashing anything so much as the phone reconfigures itself for GSM or CDMA depending on what kind of SIM card it finds.
Insertnamehere12 said:
The CDMA providers blacklist phones from being used on other CDMA providers networks. "Flashing" in this sense is stealing and ESN/IMEI from an existing phone and cloning it to your phone. Not only is it extremely risky for your hardware, it is extremely against the law and cannot be discussed on these forums.
Certain phones like the Rezound and the Dinc4G have additional feature of GSM radios added for compatibility with oversea networks, you aren't really flashing anything so much as the phone reconfigures itself for GSM or CDMA depending on what kind of SIM card it finds.
Click to expand...
Click to collapse
Umm. Not true at all actually. I had a P+ dealer switch over my phone with a bad esn (mother in law didnt pah her bill) and they didn't use a "friend" phone. It doesn't require stealing a phones imei or anything it requires a lot of work to port it to a different carrier, but doesn't require anything illegal. Not to mention what you're talking about is also based on the staye you are in. In the states it js legal as long as you aren't copying two have two phones on one service and is completely legal ( state dependant) if you own both phones. Check your facts.
sent from a small tablet aka N2
jameyscott said:
Corutesy bump for wanting to switch the rezound I'm getting soon to Virgin Mobile.
sent from GSN2 using Tapatalk 4
---------- Post added at 04:05 AM ---------- Previous post was at 03:44 AM ----------
Also, how did you go about unlocking your phone? If you unlocked the gsm attenna. I assume that the phone is fully unlocked and you should just be able to switch it over. As long as it isn't on another account I.e. Verizon.
sent from GSN2 using Tapatalk 4
Click to expand...
Click to collapse
as far as using it on gsm networks, yeah its possible you just need to either do some things (I could dig up a link if you want) on stock and have it kinda work, or find a rom that supports it and flash that (recommended, what i'm gonna be doing). and flashing phones to other networks i am pretty sure is illegal, i know from experience, i tried to work that out on xda and they sent me away saying this isnt a topic allowed of these forums, so if you still want to know about carrier flashing i suggest another forum
but anyways just making sure i am following you right, you want to gsm unlock but want to use it on virgin mobile (a CDMA network?)
blu422 said:
as far as using it on gsm networks, yeah its possible you just need to either do some things (I could dig up a link if you want) on stock and have it kinda work, or find a rom that supports it and flash that (recommended, what i'm gonna be doing). and flashing phones to other networks i am pretty sure is illegal, i know from experience, i tried to work that out on xda and they sent me away saying this isnt a topic allowed of these forums, so if you still want to know about carrier flashing i suggest another forum
but anyways just making sure i am following you right, you want to gsm unlock but want to use it on virgin mobile (a CDMA network?)
Click to expand...
Click to collapse
OK. Well it makes sense now why I'm not getting much help on this topic. Anyone know of a forum for this kind of stuff?
Sent from my Galaxy...far...far...away...
It should be possible, I've gotten as far as getting the NV values on both radios, but it seems as the 9k wants to search for signal on 800mhz only, at least according to DFS.
The Thunderbolt is able to get 3g working on Boost/VM/etc. at least from what I've seen. Considering the similarity between it and the Rezound I was hoping it would be easier...
-- Starfox
blu422 said:
as far as using it on gsm networks, yeah its possible you just need to either do some things (I could dig up a link if you want) on stock and have it kinda work, or find a rom that supports it and flash that (recommended, what i'm gonna be doing). and flashing phones to other networks i am pretty sure is illegal, i know from experience, i tried to work that out on xda and they sent me away saying this isnt a topic allowed of these forums, so if you still want to know about carrier flashing i suggest another forum
but anyways just making sure i am following you right, you want to gsm unlock but want to use it on virgin mobile (a CDMA network?)
Click to expand...
Click to collapse
Flashing phones to different networks aren't illegal. It is a state dependant thing. I went and had my note 2 flashed over at a business in the middle of a bestbuy, guitar center, more big businesses. (Aka, big businesses near ~ not a shady place)
Yes, I know that Virgin Mobile is CDMA. I wanted to know how to unlock the GSM antenna purely for education purposes.
sent from a small tablet aka N2
jameyscott said:
Flashing phones to different networks aren't illegal. It is a state dependant thing. I went and had my note 2 flashed over at a business in the middle of a bestbuy, guitar center, more big businesses. (Aka, big businesses near ~ not a shady place)
Yes, I know that Virgin Mobile is CDMA. I wanted to know how to unlock the GSM antenna purely for education purposes.
sent from a small tablet aka N2
Click to expand...
Click to collapse
well if it is by the carrier or carrier certified reps it isn't. and what that other guy said it works with DFS CDMAtool or I've heard of cdma workshop working good take a look here
Starfox said:
It should be possible, I've gotten as far as getting the NV values on both radios, but it seems as the 9k wants to search for signal on 800mhz only, at least according to DFS.
The Thunderbolt is able to get 3g working on Boost/VM/etc. at least from what I've seen. Considering the similarity between it and the Rezound I was hoping it would be easier...
-- Starfox
Click to expand...
Click to collapse
It is easy, but only to people that already know how to do it. The process is similar for most phones and doesn't require a lot, but most that try to do it dont know what they're doing and it takes them forever. What we need is a good electrical engineer.
Sent from my GT-P3113 using Tapatalk 2
Quick update:
The Rezound can work on Sprint-based towers, at least with leaked global (4.03) and stock global (4.05) radios. It took me couple of days of fidding via DFS, but right now I do have 3G working, albeit with the stock ROM complaining that mobile data isn't working. Trying out couple of ROMs to see which ones is usable.
Most important thing is that the 8K radio needs to be set to NV_ONLY but that 9K can be set to RUIM preferred. Also, flashing the firmware (from the recent 4.05 global update) will reset the 8K radio to RUIM, which is a good thing/bad thing. Good thing is that if you ever want to NV reset (since hard resets do not seem to wipe NV), flashing the latest firmware/radio should get you back to RUIM/stock PRL/blanked #. Bad thing is you need to fiddle with some of the settings in DFS again, but at least it's only for the 8K radio so far.
Another thing that probably made it work was to use the same PRL from the phone Sprint thinks you are using. For me this was the 61009 PRL. Profile info only needs to get stuck into the 9K radio and I don't think you really need to bother with the NAM2 stuff. But again, I've done too many fiddling to be able to say for certain.
-- Starfox

[WIP] T-Mobile AWS/LTE on Verizon S4 (SCH-i545)

Background: Work bought me an S4, but they use Verizon...I use T-Mobile. I must solve this issue. (Plus it's been so long that since I've even opened my QXDM/QPST that I almost...almost forgot how to use it, man, I miss it)...
This is more of a running log to potentially help others in their endeavors. This is an advanced topic...by today's standards. There is a LOT you need to know before just jumping in on this...unless you're like me and don't mind bricking a device for the sake of learning...then, carry on.
BTW, As you can clearly tell..I don't do super formatted frilly assed colorful posts...
ONWARD!!
What is known so far:
1. The modem MDM9615m is capable of anything...(Maybe even making you tea).
2. Using either 2009031920090615 or 2010031619780721 as the 16 digit PW in QXDM allows you to use "Software Backup" to backup and restore QCN files...(Both work, only one puts the phone offline)
4. The AWS band method that is floating around here (337_aws.qcn) doesn't work...it actually breaks the phone. (more on that later)
5. Putting your backup on again leaves whichever fields the 337 file had intact...so say you put the 337_aws.qcn file onto the phone, it stops working...however, you restore your backup...and the phone starts working again but all the fields of the NV that were written by the 337 file remain. Though phone functionality is restored.
6. MDK or ME7...doesn't matter at this point...no effect on functionality.
7. Flashing an MD1 modem/NV Backup from a T-Mobile Note II (which also has the 9615 doesn't seem to work...yet)...It actually kills the phone...I'll update when/IF I revive it...
8. You can Odin your modem back...whew!
What needs to be explored:
1. Whether or not flashing (shoehorning) another carriers radio will help (or if it's even an option)...this would probably have to be a regional carrier or maybe an international (non US) carrier's radio. Usually the bigger carriers can tell the manufacturer what to leave out/put into their phone...
2. Which NV Items need to be modified in order to get AWS (maybe even LTE) working.
3. Can a backup of another phone....let's sayyyy a T-Mo S4...be made and dumped onto the i545.
4. What complications are there? Is this permanent, can the phone be put back to "normal"? etc. etc.
5. If, as a last resort, we can edit the current parameters that are in the NV of a stock i545 to simply "reroute" (work with me here)...what bands it uses for which function...(this is the most tedious...but most undoable method...that I can think of....so far).
Troubles I've already ran into:
As mentioned before...after you write the 337_aws.qcn file to the phone it's pretty much set in stone...for now. When this happens, the modem starts boot looping...I'm sure this is due to bad parameters since the 337_aws.qcn file was probably from a 9215, i545 uses a 9615...you will not be able to access it again in QPST/XDM...
You'll have to get into Settings, More Networks, Mobile Networks, Network Mode, and select GSM/UMTS...this will keep the modem alive for you to be able to play with it again.
So far that's it. I've only been able to start messing with this phone in the past day or so...so, I'm sure this thread will be my dumping ground for my progress/findings/ideas...etc. Again, I encourage anyone that wants to help....to do so. I'm always open for collaboration.
This is where I start filtering down and organizing what I'm doing.
I believe that the best course of action right now is to utilize the 9615m radio from a Note 2...and perhaps a ROM from a T-Mo S4...
The main reason is because when you flash the 9615 modem but still use a VZ Rom...it tries to force it into a "WCDMA Preferred" selection. Which as we know...isn't an option in the menu. However, it's still trying...but I think the ROM doesn't know what to do at that point (could be way off here). I'm thinking that there has got to be a specific combination that needs to be used....for example...a Note 2 modem with a Tmobile ROM and NV backup? or that...but with a VZ NV backup...
I'm not a programmer/rom guy, (I'm more RF engineering etc...), so I don't know if there are things in the ROM itself that dictate which options are available and how the modem is used...
More exploration to be done...
Build.prop indicates to the system what network options should be available
Tmo rom looks like the way to go
On these newer phones the modem dictates pretty much everything else network-wise
CNexus said:
Build.prop indicates to the system what network options should be available
Tmo rom looks like the way to go
On these newer phones the modem dictates pretty much everything else network-wise
Click to expand...
Click to collapse
That's good information....I tried running Paranoid Android but it wouldn't boot and any other rom told me that the device ID was wrong. I'm going to look into bypassing that check and try some more...
It hasn't been fully proven/disproven but it seems that there may be a "hard" block for US CDMA devices to use US GSM.
It can certainly see it but won't connect based on the threads I read.
But I don't think anyone has documented it in thorough detail what has and has not been tested.
Now if that setting is in NV data and can be modified... you may have a shot.
But if it's something hard coded and/or physical (QFuse) it may not be possible.
Q: Would it not be easier to find someone to swap with you? Or sell the device and get a Tmo?
garwynn said:
Q: Would it not be easier to find someone to swap with you? Or sell the device and get a Tmo?
Click to expand...
Click to collapse
Haha, leaps and bounds! easier, but what's the fun in that? How will we learn what can and can't be done if we take the easy way? Plus...maybe someone runs into a stellar deal and can't afford a full priced S4...they might nab a VZ one for cheap...this could potentially help a lot of people...
This is more to learn than anything...
Any progress?
Any progress with this? I'm in the same boat.
Thats a shame. Would be nice to have found out if a CDMA S4 could be fully used with GSM network.
blackhand901 said:
Any progress with this? I'm in the same boat.
Click to expand...
Click to collapse
---------------------------------------------
ThunderBob
Galaxy S4 SGH-M919 - GoldenEye 8.0 - XXUDMI1
HTC One - Stock
blackhand901 said:
Any progress with this? I'm in the same boat.
Click to expand...
Click to collapse
I've been stalking the internet for weeks to try and see if i can pick up all of T-Mobile's hspa frquencies in my area cause I'm tired of edge and I know the hardware is there i just don't want a brick. would rather 2g over a brick.
I have been on tmobiles 4g network with my i545 for 2 weeks now... I have had zero issues.
You an only get
justda said:
I have been on tmobiles 4g network with my i545 for 2 weeks now... I have had zero issues.
Click to expand...
Click to collapse
HSPA on this divi e. Not LTE.
It makes me confused that band 4 LTE is locked on the phone
I always thought verizon had the open access regulation from FCC and that's the reason all verizon LTE phones are gsm unlocked
in fact some posts indicates it's CDMA unlocked also. Some CDMA carriers use R-uim card such as China telecom,and people were able to insert the ruim and have cdma working.
From this post, it seems verizon only had the regulation on LTE 700 band 17, not AWS band 4?
or is it just because verizon hasn't really deployed AWS LTE yet, so the relative software hasn't been released yet?
michael3770 said:
It makes me confused that band 4 LTE is locked on the phone
I always thought verizon had the open access regulation from FCC and that's the reason all verizon LTE phones are gsm unlocked
in fact some posts indicates it's CDMA unlocked also. Some CDMA carriers use R-uim card such as China telecom,and people were able to insert the ruim and have cdma working.
From this post, it seems verizon only had the regulation on LTE 700 band 17, not AWS band 4?
or is it just because verizon hasn't really deployed AWS LTE yet, so the relative software hasn't been released yet?
Click to expand...
Click to collapse
just for clarification, Verizon uses LTE 700 B13 not B17. According to Samsung and some other website Verizon S4 support LTE B4 and B13. and according to the guy in this post http://forum.xda-developers.com/showpost.php?p=44206677&postcount=20 he is using or have used VZW S4 on T-mobile LTE.
This is one of the oddest things I've ever run into.
I can put a T-Mobile Sim in the phone and it works almost like it was a Verizon Sim with the exception of needing to switch it to global mode when prompted.
If I stick a GSM Metro PCS Sim that I am currently using on the M919 it wont connect to anything except Wifi.
I hate locked bootloaders.
What about with custom roms?
dennis5pia said:
just for clarification, Verizon uses LTE 700 B13 not B17. According to Samsung and some other website Verizon S4 support LTE B4 and B13. and according to the guy in this post http://forum.xda-developers.com/showpost.php?p=44206677&postcount=20 he is using or have used VZW S4 on T-mobile LTE.
Click to expand...
Click to collapse
Sorry that was a typo, yep att use b17 and vzw use b13
Verizon is going to deploy a second LTE network using AWS spectrum in congested areas
Why you guys don't install "android data tool" to be able to enter the *#*#4636#*#* menu so you could set LTE only to see if Verizon S4 pick up T-Mobile LTE?
If you are rooted and have access to write system data you could edit the "sale_code.dat" file under system/csc and change from VZW to SPR, AWS or any other code, so you can have more network mode options under mobile network settings.
Just for some clarification... This is done on Stock Touchwiz rom or is the device rooted and / or rommed and loki-d
Thanks,
Eric
So I can put a verizon sim card in my tmobile Gs4?I thought Verizon didnt use sim cards like tmobile and at&t.my tmobile Gs4 is unlocked so basically I just need a Verizon sim card and a Verizon plan. Thanks!!!
Sent from my SGH-M919 using xda app-developers app
I don't think that works that way. Verizon is a CDMA carrier and T-Mobile a GSM carrier. Verizon sim card is for LTE only (LTE is GSM based technology). Voice works over CDMA radio which T-Mobile S4 lack of it. T-Mobile sim works on Verizon S4 because Verizon S4 is CDMA/GSM/LTE capable.
xda23 said:
So I can put a verizon sim card in my tmobile Gs4?I thought Verizon didnt use sim cards like tmobile and at&t.my tmobile Gs4 is unlocked so basically I just need a Verizon sim card and a Verizon plan. Thanks!!!
Sent from my SGH-M919 using xda app-developers app
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