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Tmobile/AT&T hybrid phone compatibility

I'm thinking of getting a moto x for my wife. She is currently on straight talk (ATT version), and I'm trying to move us to T-Mobile or one of it's MVNOs. Either way, I will be buying a contract-free device.
Now the million dollar question is, will the color-friendly ATT version work well on T-Mobile's frequencies? And will the non-colored Tmobile one work with ATT frequencies?
Sent from my Nexus 4 using XDA Premium 4 mobile app

I have the AT&T variant working on T-Mobile fine. Edge, 4G, 4G LTE. I don't see 3G in my area at all even on my GS4.

the AT&T version XT1058 , doesnt have support for AWS bands on HSPA + . So no 1700/2100 HSPA+ 4G or 3G.
a lot of areas have 1900 mhz HSPA+ t-mobile now, so you'd still be able to get on that, or T-Mobile LTE. the only moto-x that supports the AWS HSPA+ t-mobile bands, is the xt1053 one

sleepyguy007 said:
the AT&T version XT1058 , doesnt have support for AWS bands on HSPA + . So no 1700/2100 HSPA+ 4G or 3G.
a lot of areas have 1900 mhz HSPA+ t-mobile now, so you'd still be able to get on that, or T-Mobile LTE. the only moto-x that supports the AWS HSPA+ t-mobile bands, is the xt1053 one
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Thanks sleepy guy, I needed some model numbers to use as a reference. we live in a refarmed area (DC). I seem to have had much better luck, at getting reception with my 1700 friendly nexus4, than my wife does with her international s3.
That is why I ask. So Is it safe to assume, that the xt1053 should be able to get pepper reception on both att and tmobile frequencies?
Sent from my Nexus 4 using XDA Premium 4 mobile app

wirelessFREAK said:
Thanks sleepy guy, I needed some model numbers to use as a reference. we live in a refarmed area (DC). I seem to have had much better luck, at getting reception with my 1700 friendly nexus4, than my wife does with her international s3.
That is why I ask. So Is it safe to assume, that the xt1053 should be able to get pepper reception on both att and tmobile frequencies?
Sent from my Nexus 4 using XDA Premium 4 mobile app
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yes the xt1053 should be able to get basically any band at&t OR t-mobile use in the US.
i think the 32GB GSM dev edition is also an XT1053.

So the AT&T Moto X supports band 4 LTE? I'm in Chicago which is pretty well covered in LTE I might just buy the AT&T version for T-Mobile use if that's the case.
Sent from my Nexus 4 using Tapatalk 2

joshnichols189 said:
So the AT&T Moto X supports band 4 LTE? I'm in Chicago which is pretty well covered in LTE I might just buy the AT&T version for T-Mobile use if that's the case.
Sent from my Nexus 4 using Tapatalk 2
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yes it supports band 4.
i actually returned my XT1053 t-mobile edition. i noticed it had some cosmetic defects like a scrape on the bottom from someone having dropped it, and a few imperfections in the plastic.
$660 (with tax) for american crappy manufacturing. went on ebay and bought an XT1058 for puerto rico (claro wireless) and they range in price from $500 to 550 ish (white ones seem to be cheaper).
anyway, i guess the XT1058 from canada / puerto rico are unlockable bootloaders. the puerto rico ones i know have no carrier branding or apps, and are made in china and i've heard they have better quality control. even the one ifixit took apart , which was an american one had a defect on it.

As long as you live in a refarmed area, you should be fine. I'm in an area that isn't refarmed yet, so all I get is edge on my AT&T variant X.
My understanding in talking with both T-Mobile and Moto is that both the T-Mobile variant and the GSM Dev Edition should book work in unfarmed areas as well.

Unlocked at&t moto x on Cincinnati bell

So I have an moto x that is unlocked but branded to AT&T. I am only getting 2g. I talked to the rep at the store that said Cincinnati bell doesn't let unlocked phones get 4g???? This isn't my first unlocked phone I've had on Cincinnati bell and I was getting 4g on them. Only difference is normally I use a T-Mobile phone (unlocked). Is that the reason I'm not able to get 4g? Is it because the phone is at&t and not T-Mobile? I don't understand how I can get 4G on some but not others. Someone please help me out.

grimz152004 said:
So I have an moto x that is unlocked but branded to AT&T. I am only getting 2g. I talked to the rep at the store that said Cincinnati bell doesn't let unlocked phones get 4g???? This isn't my first unlocked phone I've had on Cincinnati bell and I was getting 4g on them. Only difference is normally I use a T-Mobile phone (unlocked). Is that the reason I'm not able to get 4g? Is it because the phone is at&t and not T-Mobile? I don't understand how I can get 4G on some but not others. Someone please help me out.
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Not from Cinci, but I'm using an AT&T Moto X on T-Mo. I think, looking at Cinci Bell, their 4g network is only HSPA+, which the AT&T moto x does not support. They only work on the 4g LTE bands (For example the 3g antenna does not pick up T-mobile's 3g frequencies, so I can never have 3g).

Question about T-Mobile/Unlocked Moto X

We have just purchased a Moto X made for T-Mobile and connected to AT&T towers and now are receiving terrible coverage. We are going through StraightTalk and are now actually roaming with good reception where we live, but we are roaming on USCellular towers. Is there any way that we can flash this phone to run on the USCellular network?

Ok, so I did a little research as far as coverage goes. If you're wanting to use the X on straight talk, then the at&t towers are going to be it for you. You could put the sprint version on straight talk, but if your Verizon straight talk phone is roaming onto us cellular, odds are Sprint is non existent where you live.
You could talk to the us cellular store about putting their version on prepaid, but you'll be looking at $65/month instead of the $45 that straight talk offers.
Now to answer your original question, it's impossible to put the t mobile x on us cellular because it doesn't have a CDMA radio.
Sent from my XT1053 using xda premium

If you're roaming on US Cellular and want to switch to US Cellular, all you would need to do is sign up with US Cellular and put their SIM in your phone. No flashing required. According to Wikipedia, the T-Mobile version supports all the non-LTE bands supported by the US Cellular version, but lacks some LTE bands that the US Cellular version supports, but this is a hardware limitation, AFAIK.

UncleMike said:
If you're roaming on US Cellular and want to switch to US Cellular, all you would need to do is sign up with US Cellular and put their SIM in your phone. No flashing required. According to Wikipedia, the T-Mobile version supports all the non-LTE bands supported by the US Cellular version, but lacks some LTE bands that the US Cellular version supports, but this is a hardware limitation, AFAIK.
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Unfortunately, both US Cellular and Verizon are CDMA carriers. Phones from GSM providers such as T-Mobile and AT&T will not work on their services.
Sent from my XT1053 using xda premium

chrstndsgnr said:
Unfortunately, both US Cellular and Verizon are CDMA carriers. Phones from GSM providers such as T-Mobile and AT&T will not work on their services.
Sent from my XT1053 using xda premium
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The OP claims to be using a T-Mobile version of the Moto X with an AT&T SIM, which couldn't possibly roam on a CDMA carrier.
But a quick look at Wikipedia confirms that US Cellular is a CDMA carrier, although their Moto X version supports GSM bands also - which is what led me astray in my reply.
Sent from my Nexus 7 using Tapatalk

Yes I confirm. My Moto X is a Verizon model working on tmobile.

ozzyGEEK said:
Yes I confirm. My Moto X is a Verizon model working on tmobile.
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hi there. I'm looking to try out the tmobile $30 service and I have vzw right now. I was going to get a vzw model just in case things don't work out. As you said the tmobile service works with the vzw moto x but I was wondering if you're able to text/make calls while on the 4g LTE network? I've heard people having problems and not being able to surf the net while on call or not being able to receive texts/outgoing calls while on the 4G, but everything works on the HSPA network.
Thanks!

Why don't I get LTE on ATT, in NYC?

I just got the Moto X last week and I never see 4G LTE. I only see 4G.
I live in NYC, we should have LTE here??

Is your sim 4g enable , is your phone tarif a 4g one
Sent from my XT1052 using Tapatalk

Were you on AT&T before? I know NYC is notorious for poor reception on AT&T

That's not true. I get LTE all over NYC and the five boroughs when I'm there
MOTO X

virtuewill said:
I just got the Moto X last week and I never see 4G LTE. I only see 4G.
I live in NYC, we should have LTE here??
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What is the difference? 4g is 4g lte. Same thing. LTE is just an acronym for long term evolution.

aviwdoowks said:
What is the difference? 4g is 4g lte. Same thing. LTE is just an acronym for long term evolution.
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While technically 3G according to some, ATT and T-Mobile in the USA refer to their HSPA+ networks as 4G due to their theoretic max speed (T-Mobile's is 42mbps in many areas) being faster than their UMTS/HSPA and other 3G network technologies.
Where 4G LTE means 4G using LTE.
So for ATT/T-Mobile... saying 4G isn't the same as saying 4G LTE.
I'm not sure if carriers outside of the USA do the same.
Since Verizon has EVDO Rev A and B (3G), and LTE (4G), when it comes to Verizon saying 4G is the same as saying 4G LTE.
But if you want to get technical, even the LTE in use today, didn't meet the original ITU definition of 4G anyway, but that is another story.
---------- Post added at 09:54 AM ---------- Previous post was at 09:39 AM ----------
virtuewill said:
I just got the Moto X last week and I never see 4G LTE. I only see 4G.
I live in NYC, we should have LTE here??
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It depends.
One scenario I've seen ATT users complain of not getting LTE in areas where ATT has LTE coverage is when they purchased a Developer Edition X, and while switching to it, gave ATT the IMEI for the X. Since the IMEI doesn't match their DB, ATT often adds it as a 3G or HSPA+ device only, and it wont get LTE speeds. One way around this is to have an LTE device capable of using a nano on your account first, and then just moving the SIM to the X when you receive it. (we did that with my sister in law's HTC to X swap. We went to the ATT store and got her a Nano sim using an adapter for her HTC, then when the X arrived, we just moved the SIM and her X got LTE).
If you are trying to use a Verizon X (which is sim unlocked), it doesn't support the frequencies used by ATT for LTE, so it wont get better than HSPA+.
Of course if your X is an ATT Branded device (XT1058 with the ATT logo on the back, and all the bloat), and have a newer, LTE compatible, SIM, you should get LTE where ever ATT has their LTE service deployed, including NYC.
One thing I don't know is.. if the LTE network is "over capacity" in that area, might the phone fall back to HSPA+ instead?

KidJoe said:
While technically 3G according to some, ATT and T-Mobile in the USA refer to their HSPA+ networks as 4G due to their theoretic max speed (T-Mobile's is 42mbps in many areas) being faster than their UMTS/HSPA and other 3G network technologies.
Where 4G LTE means 4G using LTE.
So for ATT/T-Mobile... saying 4G isn't the same as saying 4G LTE.
I'm not sure if carriers outside of the USA do the same.
Since Verizon has EVDO Rev A and B (3G), and LTE (4G), when it comes to Verizon saying 4G is the same as saying 4G LTE.
But if you want to get technical, even the LTE in use today, didn't meet the original ITU definition of 4G anyway, but that is another story.
---------- Post added at 09:54 AM ---------- Previous post was at 09:39 AM ----------
It depends.
One scenario I've seen ATT users complain of not getting LTE in areas where ATT has LTE coverage is when they purchased a Developer Edition X, and while switching to it, gave ATT the IMEI for the X. Since the IMEI doesn't match their DB, ATT often adds it as a 3G or HSPA+ device only, and it wont get LTE speeds. One way around this is to have an LTE device capable of using a nano on your account first, and then just moving the SIM to the X when you receive it. (we did that with my sister in law's HTC to X swap. We went to the ATT store and got her a Nano sim using an adapter for her HTC, then when the X arrived, we just moved the SIM and her X got LTE).
If you are trying to use a Verizon X (which is sim unlocked), it doesn't support the frequencies used by ATT for LTE, so it wont get better than HSPA+.
Of course if your X is an ATT Branded device (XT1058 with the ATT logo on the back, and all the bloat), and have a newer, LTE compatible, SIM, you should get LTE where ever ATT has their LTE service deployed, including NYC.
One thing I don't know is.. if the LTE network is "over capacity" in that area, might the phone fall back to HSPA+ instead?
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Thanks man. That is a good point about the IMEI. I'll check that later. It asked me to check during activation but I didn't want to.
I called ATT yesterday and they said something wrong with provisioning. They saw I was only connected to the 3g signal. They fixed the provisioning but nothing changed. Either it's the IMEI or I'll just let the store figure it out

virtuewill said:
Thanks man. That is a good point about the IMEI. I'll check that later. It asked me to check during activation but I didn't want to.
I called ATT yesterday and they said something wrong with provisioning. They saw I was only connected to the 3g signal. They fixed the provisioning but nothing changed. Either it's the IMEI or I'll just let the store figure it out
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Is your device an ATT branded X? or from other carrier or dev edition? If its ATT branded, they should be able to fix it.
If its from other carrier or its the Dev Edition, they might spin their wheels. If you run into that, try having them switch you to another ATT phone that is LTE, then move the sim to your X (without telling them you are switching or updating the IMEI on your account), OR try working with their phone support, telling them you are switching devices, and giving them the IMEI for an ATT LTE compatible phone instead of the one from your X.
There was discussion in another thread, but I don't remember which, where others with GSM Dev X trying to get them working on ATT ran into this problem, got a run around, couldn't get it fixed, and were stuck on HSPA+. The using the other LTE phone trick was used successfully. In addition, someone, who apparently works for ATT, was in that thread and via PM conversations (to get account info, etc) was able to fix this for Dev X users and get them working LTE on ATT.

Verizon S6 edge on AT&T ?

I guess you knew this question was coming . Can the people with Off contract Verizon s6 edge try to see if their phone works with other providers e.g AT&T ? I have heard/read that previous verizon phones like NOTE 3/4 worked on AT&T, but the LTE DATA was not supported. It only did HSPA+.
I know I will need to get the Verizon full price i.e off contract phone. If it does then s6 edge 64GB, turns out to be $115 cheaper compared to buying it from other places.
Anyone ?

Most times Verizon phones won't get lte on att. Just hspa+
Sent from my SM-G925T using Tapatalk

As poster above said.
Almost all Verizon phones will not get LTE with AT&T or T-mobile.
And didn't Sprint or T-mobile have the cheapest at full price?

I used a Verizon s4 and a Verizon note 2 on T mobile for over a year.
Verizon phones will work perfectly fine with GSM carriers, they have and utilize the GSM LTE bands just fine. In the beginning I had connection issues but Verizon radio updates opened it all up within a month or so of the LTE bands being opened for GSM use.
Sent from my SAMSUNG-SM-G925A using XDA Premium HD app

i just got rid of my Verizon Droid Turbo, which i was using with at&t, and it got LTE.
all newer Verizon phones are GSM unlocked. by newer i say like 2013+ i believe.

True, but AT&T's HSDPA+ is often times faster than Verizon's LTE at least in my market.