T-Mobile variant questions - Xperia Z3 Q&A, Help & Troubleshooting

I currently have the Z3Compact and am considering getting the Z3 T-Mobile variant, as I'm a T-Mo prepaid customer. Just a few questions:
1) Can the Tmo variant Z3 be used on another carrier? Without unlocking the bootloader? I would like to root without unlocking the bootloader to still use all the Sony features (like with the Z3C). If I switch to another GSM carrier in a year, I'd like to still be able to use this device.
2) Is VoLTE up & working? Can it be used while rooted, locked bootloader? The same question with wifi calling.
3) Can the Tmobile ROM / Firmware be flashed on the International hardware and function exactly the same?
4) Will / can VoLTE / wifi calling come to the Z3C unlocked international variant?

1. Yes you can use it, BUT it only has 3 LTE bands and the 700Mhz (Band 12) LTE is not compatible with AT&T 700Mhz (Band 13). 700Mhz is important for indoor reception. Better to buy the regular Z3 as its a more global phone. Also if you still want the TMO variant you must use it on TMO for at least 40 days for them to unlock.
2. VoLTE works and rooting does not have anything to do with it so go ahead. WiFi calling is the same.
3. Don't do that as you may get no signal/baseband issues.
4. Don't know.
Extra: The T-Mobile variant has quality control issues and has been pulled from sale.... I am on my 8th Z3 after 7 exchanges. In addition TMO had to open a further 3-4 boxes on my third exchange to get a good one.
Just buy the international version..... They don't seem to be problematic like the TMO version and are LTE compatible with more networks.

abhinav.tella said:
1. Yes you can use it, BUT it only has 3 LTE bands and the 700Mhz (Band 12) LTE is not compatible with AT&T 700Mhz (Band 13). 700Mhz is important for indoor reception. Better to buy the regular Z3 as its a more global phone. Also if you still want the TMO variant you must use it on TMO for at least 40 days for them to unlock.
2. VoLTE works and rooting does not have anything to do with it so go ahead. WiFi calling is the same.
3. Don't do that as you may get no signal/baseband issues.
4. Don't know.
Extra: The T-Mobile variant has quality control issues and has been pulled from sale.... I am on my 8th Z3 after 7 exchanges. In addition TMO had to open a further 3-4 boxes on my third exchange to get a good one.
Just buy the international version..... They don't seem to be problematic like the TMO version and are LTE compatible with more networks.
Click to expand...
Click to collapse
1) If I only plan to use the phone in the US is it important that the international version is more 'global'? I'm kind of confused: Does the Tmobile version omit bands, or includes all the bands the int'l version plus band 12 / 700Mhz?

If you want to use it on AT&T the 700 Mhz band is not compatible. As you can see below the TMO variant is missing the 2 low bands needed by AT&T for better indoor reception. The global Z3 supports all the AT&T bands except T-Mobile's Band 12....
AT&T LTE Bands
17(700Mhz), Band 5(850Mhz), Band 2(1900Mhz), Band 4(1700/2100Mhz)
T-Mobile LTE Bands (TMO Z3 only supports these 3 bands)
Band 2(1900Mhz), Band 4(1700/2100Mhz), Band 12 (700Mhz)

abhinav.tella said:
If you want to use it on AT&T the 700 Mhz band is not compatible. As you can see below the TMO variant is missing the 2 low bands needed by AT&T for better indoor reception. The global Z3 supports all the bands except T-Mobile's Band 12....
AT&T LTE Bands
17(700Mhz), Band 5(850Mhz), Band 2(1900Mhz), Band 4(1700/2100Mhz)
T-Mobile LTE Bands
Band 2(1900Mhz), Band 4(1700/2100Mhz), Band 12 (700Mhz)
Click to expand...
Click to collapse
Thanks for clearing that up for me. I remember before buying my z3C hearing the info from GSMArena was inaccurate for one of the models.
I'm going to see if i can find more info on the quality control issues with the Tmo variant. I've owned Tmo branded versions of phones before and never had an issue.
I replace my phone every year to 18 months so if for some desperate reason I go to AT&T at least it will work in the meantime. I use Google Voice / Hangouts for calls so if I travel internationally I'd use wifi if the LTE reception isn't as good as on an international device for calls (won't use VoLTE), but since I'm in a Tmobile band 12 area I would like to use that.
Found this post on using the Tmo with AT&T: http://www.reddit.com/r/SonyXperia/comments/338q7q/help_with_tmobile_z3_on_att/

The issue is not with T-Mobile, its the variant Sony made for T-Mobile.... When a carrier itself stops selling a device due to problems you are taking a big risk. T-Mobile was good about exchanges though immediate replacements unlike Sony which can take up to 3 weeks. Remember if you want exchanges for any issues with TMO you must buy from TMO itself otherwise you deal with Sony. Considering TMO no longer sells this device TMO won't cover you..... As you will be buying from a third party.
So I strongly suggest you get the international Z3, unless you can buy the TMO variant from TMO itself so you can get replacements easily.
Whatever you decide I hope you enjoy, its a good phone, battery life and screen are amazing.

Thanks for your advice. I bought a Z3 off eBay for cheaper than I got my Z3Compact for a few weeks ago. I've never had to return or repair a smartphone so hopefully I stay lucky.

Well, I hope so too. Enjoy the device, its still the most well rounded device out there despite the release of the new gen phones.

abhinav.tella said:
Well, I hope so too. Enjoy the device, its still the most well rounded device out there despite the release of the new gen phones.
Click to expand...
Click to collapse
Yea, I noticed that when I bought my Z3C. The Z3 apparently outperforms the Z3+. My only concern is if I can truly get used to the larger form factor, as I'm passing along my Z3C to someone else as a birthday gift. If not, I'll just sell it and get another Z3C for myself .
I asked this in the D6616 rooting thread but haven't gotten a reply yet: Will I need to downgrade, then root, then flash a pre rooted TFT firmware to get stock rooted (similar process to rooting without unlocking bootloader on the Compact) or can I just use the instructions here regardless of the firmware I have on my Z3? I think Kingroot sounds too shady and wouldn't want to use it.

Related

Using a US Moto G (2015) in the UK

Can anyone help me figure out if the US Moto G (2015) will work on EE 4G in the UK?
It lists the following bands:
"LTE (2, 4, 5, 7, 12, 17)"
EE in the UK supposedly uses bands 3 and 7.
Does this mean I'd have no problem using a new US Moto G in the UK on EE's 4G?
You'd probably be able to make phone calls and use HSPA+ just fine since the majority of the world uses the same GSM bands for those. As for LTE, you would get nothing since the USA model does not support band 3 or 7.
Rarscaryfrosty said:
You'd probably be able to make phone calls and use HSPA+ just fine since the majority of the world uses the same GSM bands for those. As for LTE, you would get nothing since the USA model does not support band 3 or 7.
Click to expand...
Click to collapse
I don't understand. I'd be buying the US version of the phone, and Motorola says it supports band 7.
The question is whether band 7 support is sufficient for 4G on EE in the UK.
jonnythan said:
I don't understand. I'd be buying the US version of the phone, and Motorola says it supports band 7.
The question is whether band 7 support is sufficient for 4G on EE in the UK.
Click to expand...
Click to collapse
EE uses bands 7, 3 and 20, if you use a US version of the Moto G 2015 then you will only be able to connect to LTE in a band 7 area, band 7 is 2600MHz so will only be used in cities and towns as it has a very short range, most of EEs LTE network is band 3 (1800MHz) and then band 7 (800MHz) will be used in some cases (it penetrates buildings and has a much greater range) -bottom line is you won't get much LTE at all.
Also if you are considering buying a US version because with a straight conversion it looks cheap, remember you have to pay import duty and taxes once it gets here which will even out the price.
I was looking to buy a US version because my fiancee is living in England and will be coming to the US in about a year. So the conversion rate is better and she'll be able to use it here no problem once she arrives. Sounds like that might not work though.
jonnythan said:
I was looking to buy a US version because my fiancee is living in England and will be coming to the US in about a year. So the conversion rate is better and she'll be able to use it here no problem once she arrives. Sounds like that might not work though.
Click to expand...
Click to collapse
You'd still get a 3G connection which would be fine for the year so that's still an option?

Verizon Model LTE Bands same as Unlocked Model?

Do you guys think the Verizon unit will have the same LTE bands as the Play Store model? I can get these st 2yr contract pricing on my Verizon business account and would like to use one on AT&T service, but need to be sure Band 12/17 is unlocked and ready for use.
The answer is yes, there are only different frequency bands for the intl and US versions. The US version, which Verizon is selling, supports all major carriers, according to Google.
alexjzim said:
The answer is yes, there are only different frequency bands for the intl and US versions. The US version, which Verizon is selling, supports all major carriers, according to Google.
Click to expand...
Click to collapse
My only concern is that the Verizon website does not list all US LTE bands such as Band 12 or Band 17. This was an issue with my Note 7 also. Band 12/17 were capable and supported by the hardware, but Verizon locked these from being used. It wasn't until I flashed AT&T Note 7 firmware onto my Verizon Note 7 unit that I was able to use those 2 LTE bands.
alright I take it back. According to google, it is carrier locked to verizon http://i.imgur.com/Jc9eV9E.png
alexjzim said:
alright I take it back. According to google, it is carrier locked to verizon http://i.imgur.com/Jc9eV9E.png
Click to expand...
Click to collapse
This is 100% wrong. No Verizon phone's have been locked to the carrier for a few years now.
mdmogren said:
This is 100% wrong. No Verizon phone's have been locked to the carrier for a few years now.
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Click to collapse
Correct they have been carrier unlocked since the iPhone 5 came out. Verizon still locks the LTE bands for data, however. The only phones that have unlocked LTE bands on Verizon are iPhones, because Verizon does not/cannot tamper with the firmware before boxing the phones up.
MrBaltazar said:
Correct they have been carrier unlocked since the iPhone 5 came out. Verizon still locks the LTE bands for data, however. The only phones that have unlocked LTE bands on Verizon are iPhones, because Verizon does not/cannot tamper with the firmware before boxing the phones up.
Click to expand...
Click to collapse
Evidence? I've had no problem using several verizon phones on T-Mobile LTE bands.
mdmogren said:
Evidence? I've had no problem using several verizon phones on T-Mobile LTE bands.
Click to expand...
Click to collapse
That is because Verizon uses the same bands as TMobile in many areas of the country, so those bands are unlocked. Verizon does not use AT&T's primary bands at all, so they lock it out. (Band 17)
As a quick example, AT&T uses Band 3 in more rural areas and I was able to catch a bar or two of LTE here and there on a 100% stock Verizon Note 7 with AT&T sim card in it since Verizon also uses Band 3, , but it would quickly fall back to HSPA because it lost band 3 signal. I verified this with LTE Discovery app. At my office I only have Band 17 from ATT, so I was only getting HSPA. As soon as I flashed AT&T Note 7 firmware onto the Verizon Note 7, I had full LTE signal on Band 17.
Since Verizon cannot legally carrier SIM lock their devices anymore, they still do what they can to make the phones as unusable as possible on other carriers with their firmware, including a message that pops up every time you start the phone saying "this sim is not from Verizon"
I'm trying to figure out if the Pixel will be the same story as my Note 7, in which Verizon locks out a majority of LTE bands. And if so, can the Play Store version firmware be flashed onto thr Verizon version of the Pixel to unlock these bands?
The Snapdragon 821 supports all LTE bands so I know it won't be hardware limited, only firmware limited.
MrBaltazar said:
That is because Verizon uses the same bands as TMobile in many areas of the country, so those bands are unlocked. Verizon does not use AT&T's primary bands at all, so they lock it out. (Band 17)
As a quick example, AT&T uses Band 3 in more rural areas and I was able to catch a bar or two of LTE here and there on a 100% stock Verizon Note 7 with AT&T sim card in it since Verizon also uses Band 3, , but it would quickly fall back to HSPA because it lost band 3 signal. I verified this with LTE Discovery app. At my office I only have Band 17 from ATT, so I was only getting HSPA. As soon as I flashed AT&T Note 7 firmware onto the Verizon Note 7, I had full LTE signal on Band 17.
Since Verizon cannot legally carrier SIM lock their devices anymore, they still do what they can to make the phones as unusable as possible on other carriers with their firmware, including a message that pops up every time you start the phone saying "this sim is not from Verizon"
I'm trying to figure out if the Pixel will be the same story as my Note 7, in which Verizon locks out a majority of LTE bands. And if so, can the Play Store version firmware be flashed onto thr Verizon version of the Pixel to unlock these bands?
The Snapdragon 821 supports all LTE bands so I know it won't be hardware limited, only firmware limited.
Click to expand...
Click to collapse
The only reason LTE won't work on at&t is because at&t won't provision it unless it's an At&t branded phone. You can get around this by having them activte your sim in an at&t store phone. My brother used to have at&t and I gave him my old S7E from Verizon which had full LTE after doing that.
cadcamaro said:
The only reason LTE won't work on at&t is because at&t won't provision it unless it's an At&t branded phone. You can get around this by having them activte your sim in an at&t store phone. My brother used to have at&t and I gave him my old S7E from Verizon which had full LTE after doing that.
Click to expand...
Click to collapse
That is correct IF there isn't a LTE capable IMEI on your AT&T account, you would need to have them add the LTE capable IMEI and provision LTE. This issue is based on Verizon's firmware and their lockdown, however. I have thoroughly tested this and even entered service mode to see what bands are available with Verizon firmware vs AT&T firmware.
not good news for the verizon pixel with att. Some guy on the pixel xl xda reported he is getting only H+ with the verizon pixel xl. Definitely need more people to check it out. Donr believe PC mag one bit. They said bootloader was unlocked but it turned out to be LOCKED.
zboy2 said:
not good news for the verizon pixel with att. Some guy on the pixel xl xda reported he is getting only H+ with the verizon pixel xl. Definitely need more people to check it out. Donr believe PC mag one bit. They said bootloader was unlocked but it turned out to be LOCKED.
Click to expand...
Click to collapse
I'm using a VZW Pixel XL on AT&T and I have the best reception I have ever had. I don't know why he's not getting LTE coverage, but that's not my experience whatsoever.
hollowlog said:
I'm using a VZW Pixel XL on AT&T and I have the best reception I have ever had. I don't know why he's not getting LTE coverage, but that's not my experience whatsoever.
Click to expand...
Click to collapse
If you install LTE Discovery you can see the band you're connected do. If the phone can connect to band 12 or 17, I would say the Verizon version most likely supports all LTE bands.
I am using a Verizon Pixel currently on a 850Mhz/1.9Ghz GSM and Band 4 (2.1Ghz) and I am experiencing no issues. I used my carrier's SIM, and the only thing I had to do differently was update the SCMS in the *#*#3646#*#* to match my carrier's Service Center ID. This allowed my SMS to work. I experience no issues here as the phone operates as though it were unlocked.
I've even used the VZW pixel on T-Mobile and had band 12 carrier aggregation with band 2. Definitely not a problem and same bands.
I believe the only difference is the imei disallows bootloader unlocking. And the post boot Verizon three app install (which is an easy uninstall)
Doesn't att require the imei added for LTE? They audit accounts on the regular and if they find an unknown imei they disallow LTE.
Sent from my Pixel using Tapatalk
smgrimes said:
I've even used the VZW pixel on T-Mobile and had band 12 carrier aggregation with band 2. Definitely not a problem and same bands.
I believe the only difference is the imei disallows bootloader unlocking. And the post boot Verizon three app install (which is an easy uninstall)
Doesn't att require the imei added for LTE? They audit accounts on the regular and if they find an unknown imei they disallow LTE.
Sent from my Pixel using Tapatalk
Click to expand...
Click to collapse
Thanks for posting, VZW wouldn't lock certain frequencies (12 and 17) on the Pixels like others have stated since their phones have been fully unlocked for years. This phone works with all US carriers.
jawmail said:
Thanks for posting, VZW wouldn't lock certain frequencies (12 and 17) on the Pixels like others have stated since their phones have been fully unlocked for years. This phone works with all US carriers.
Click to expand...
Click to collapse
Yup and on top of that they seem 100% feature parity. I've even seen (on my Verizon sim) the option for volte video calling. And volte voice definitely works on T-Mobile as well as wifi calling.
Just the locked bootloader is the only downside.
Sent from my Pixel using Tapatalk
alexjzim said:
alright I take it back. According to google, it is carrier locked to verizon http://i.imgur.com/Jc9eV9E.png
Click to expand...
Click to collapse
This is 100% incorrect. It is NOT locked to a carrier, and does support all bands. I have been using my VZW Pixel on other carriers.
TCPDump said:
This is 100% incorrect. It is NOT locked to a carrier, and does support all bands. I have been using my VZW Pixel on other carriers.
Click to expand...
Click to collapse
Agreed, those customer service reps. need more training.
jawmail said:
Agreed, those customer service reps. need more training.
Click to expand...
Click to collapse
The misinformation and confusion about this phone in general all the way around astounds me. It's actually rather simple. The only major difference in the Verizon variant from the play is that the bootloader is locked.

does OP6 support US TMO LTE, all current 4,12 and etc bands?

hi all,
I need new phone that work in US on TMO LTE
does it support all TMO current bands and it works?
for example Poco does on paper, but can't register to TMO LTE, so no usage.
thanks
Works perfectly on tmobile.
Yes
which bands?
how much speed do you see?
thanks
Best phone you can get for TMo.
I have tried it with speedtest side by side with the TMo flagship display phones in the TMo store (e.g. SGS9) and the 6 slaughters them all.
It uses all bands from T-Mobile for LTE 4, 12 and 71 which is the newest 600mhz spectrum they bought last year.

Three Network Versions

Hey everyone,
the new Zenfone 6 is amazing, besides the FlipCamera it has nearly everything (big battery, microSD, 3,5 mm headphone,...).
Just one thing irritates me: there are three Versions A, B and C, as one can see here under "Network Standard"
https://www.asus.com/Phone/ZenFone-6-ZS630KL/Tech-Specs/
So can someone tell me what that means? Like if I get the European version A (with Band 20), will I than for instance not be able to use it in the USA for telephone / SMS?! Or just not LTE / can I still use it like on UMTS? No LTE at all or just not certain carriers?
Hope someone can make it clear to me, thanks in advance
You'll be able to use it anywhere, it's just there's slightly less band coverage, so some networks in some countries would be nixed.
See Kimovil.com for network compatibility.
Gearbest currently have the 6GB / 64GB Version C (most bands) for €495.
It means you'll have to be sure to verify you get the version with the bands needed for your particular carrier. You have to be very careful and verify before buying as it seems with the ZenFone 5Z, for example, sellers don't always properly clarify which version they're selling.
You need to find out which of the main bands your phone carrier uses then match them up to one of the versions. I use AT&T prepaid, so for for example I need a phone with coverage for bands 2,4,5,8, and 17 if I recall correctly.
If some bands aren't covered you won't have LTE in that area, as not all areas you're in are using the same network frequency bands. Therefore coverage can get worse when you travel with a phone without full band support.
Checked out the bands available on the Asus site you linked (thank you very much BTW) and it seems they are missing bands 66(extension of band 4) & 71 (600mhz frequency) so it seems like it may work okay on TMobile.
What do you guys think if those two bands are missing? Will it be detrimental to daily use or not really? Currently on an OG Pixel and this Asus offering is looking like a future purchase!!
CDMA (Sprint or Verizon) compatiblity in the US?
Stanto said:
CDMA (Sprint or Verizon) compatiblity in the US?
Click to expand...
Click to collapse
Looks like the C variants might work for you but double check the bands for your carrier Kimovil.com.
mudnightoil said:
See Kimovil.com for network compatibility.
Gearbest currently have the 6GB / 64GB Version C (most bands) for €495.
Click to expand...
Click to collapse
Thanks for the hint.
I need Band 20 (O2 Germany), so I can only use Version A (so no B or C for me).
---edit---
I just checked: T-Online and Vodafone use Band 20 and 32 (in Germany), but none of the three versions support both.
MartyM76 said:
If some bands aren't covered you won't have LTE in that area, as not all areas you're in are using the same network frequency bands. Therefore coverage can get worse when you travel with a phone without full band support.
Click to expand...
Click to collapse
Ok, but does it mean I will at least have telephone and SMS in those areas, where the LTE band won't be supported?!
JJ111 said:
Ok, but does it mean I will at least have telephone and SMS in those areas, where the LTE band won't be supported?!
Click to expand...
Click to collapse
Yes, as long at the other bands are supported (which they should be) it will drop to 3G/4G or whatever. That's why people using some Chinese phones for example in the USA can use everything but LTE.
You might
need to check however about VoLTE, I think. I don't have T-Mobile but you should read more about that as I've seen it mentioned in XDA & other places.
---------- Post added at 12:56 PM ---------- Previous post was at 12:48 PM ----------
> Gearbest currently have the 6GB / 64GB Version C (most bands) for €495
I only see the A version there. Where did you find the C version?
This device just hit my radar... looks like we might have an upgrade winner!
For Tmobile US, C model is the way to go. The two highest bands that are missing with this device would get you better signal indoors / less interference, but I am not sure how far along that tech even is.
charlatan01 said:
The two highest bands that are missing with this device would get you better signal indoors / less interference, but I am not sure how far along that tech even is.
Click to expand...
Click to collapse
By highest bands do you mean 66 and 71? The only phones that use band 71 at the moment are Samsung s8 Active and LG V30. I currently have an OG Pixel and it does not use 66 or 71 and I get great coverage in the East coast even when going north into the mountains.
wreq5 said:
By highest bands do you mean 66 and 71? The only phones that use band 71 at the moment are Samsung s8 Active and LG V30. I currently have an OG Pixel and it does not use 66 or 71 and I get great coverage in the East coast even when going north into the mountains.
Click to expand...
Click to collapse
'
Yep, those are the two. Those two are still relatively new, and general Tmo coverage continues to improve here in Colorado.
I imagine that once the phone is sold on the asus.com website that particular variant will support all the main carriers LTE bands. I would be surprised if there were any major issues with that otherwise what's the point of even selling it in the USA?
SantinoInc said:
I imagine that once the phone is sold on the asus.com website that particular variant will support all the main carriers LTE bands.
Click to expand...
Click to collapse
Yes, for example in the case of the 5Z I just ordered (to get me by since I desperately need a phone with a better camera & no OLED to cause eye strain) the bands listed for phones at the Asus USA online store cover AT&T properly and to the best of my knowledge T-Mobile as well.
I figured out that they don't list phones there that aren't USA network compatible. I still check, regardless, just to feel 100% sure but that's what I found.
It's the 3rd party sellers you really need to be careful about and always verify.
The OnePlus 7 pro has bands 66 and 71.
This probably would have been my first choice until I noticed the different versions. With more and more manufacturers choosing to release single, global bands phones, I really don't understand why Asus insist on continuing to release regional versions of their phones.
Back in the days when everyone made regional models, I had the Padfone Infinity 2 and it was a great phone (until a late OTA release have it the new ZenUI, which was promptly removed). After reading that the latest ZenUI 6 has been slimmed down to an almost stock Android experience, I thought it might once again be similar to what Asus provided before ZenUI came along and that I can now once again consider Asus phones. Wrong!
I spend time in both Europe and Asia and there is no version that covers both areas major LTE bands. So Asus will have to remain on the list of phones to ignore.
Robbo.5000 said:
This probably would have been my first choice until I noticed the different versions. With more and more manufacturers choosing to release single, global bands phones, I really don't understand why Asus insist on continuing to release regional versions of their phones.
Back in the days when everyone made regional models, I had the Padfone Infinity 2 and it was a great phone (until a late OTA release have it the new ZenUI, which was promptly removed). After reading that the latest ZenUI 6 has been slimmed down to an almost stock Android experience, I thought it might once again be similar to what Asus provided before ZenUI came along and that I can now once again consider Asus phones. Wrong!
I spend time in both Europe and Asia and there is no version that covers both areas major LTE bands. So Asus will have to remain on the list of phones to ignore.
Click to expand...
Click to collapse
I'm in the same position. The C version covers everything I need except for Band 20 which is a necessity throughout Europe. The A version has Bamd 20 but won't work on US LTE. They did the same thing with the Zenfone 2 and inexplicably mixed up the bands regionally. I'll stick with my NexS for now but keep an eye on this phone in case the Limited edition they usually release solves the problem.
prestonmcafee said:
The OnePlus 7 pro has bands 66 and 71.
Click to expand...
Click to collapse
I don't want the OP7. This isn't the OP7 forum.

Question Usa carrier support

I've asked this question before and I can't find anything.
Can anybody confirm the 0/B/E versions to work on TMobile or att or mvnos of them?
If someone wants to be so kindid appreciate it. Really wanting to buy one for root.
if you use AT&T, don't buy any international models because they will block your sim. You may call them to unlock it but the sim will be blocked again after a couple days. The reason is AT&T has a list of supported models and international phones are not on their list.
T-Mobile doesn't have such a horrible thing. So yeah, it works.
Oh, and I am using 908E/DS on T-Mobile network.
bobimbap said:
if you use AT&T, don't buy any international models because they will block your sim. You may call them to unlock it but the sim will be blocked again after a couple days. The reason is AT&T has a list of supported models and international phones are not on their list.
T-Mobile doesn't have such a horrible thing. So yeah, it works.
Oh, and I am using 908E/DS on T-Mobile network.
Click to expand...
Click to collapse
So when I purchase my S22 Ultra. I can use it on T-Mobile no issues? I assume it can be unlocked rooted and install custom roms.
doubledragon5 said:
So when I purchase my S22 Ultra. I can use it on T-Mobile no issues? I assume it can be unlocked rooted and install custom roms.
Click to expand...
Click to collapse
That’s what I’ve done and been using till now. Bought the 908E on Amazon, unlocked the bootloader and rooted it. No custom rom for it yet other than tha Magisk rom by dr.ketan. I’ve always been an AT&T customer in so many years. They refused to work with me to make my phone work on their network so I switch to T-mobile.
I’m using the S22 Ultra 908E on T-mobile to write this right now. I don’t see any issue. If there is one, the phone is the issue.
bobimbap said:
That’s what I’ve done and been using till now. Bought the 908E on Amazon, unlocked the bootloader and rooted it. No custom rom for it yet other than tha Magisk rom by dr.ketan. I’ve always been an AT&T customer in so many years. They refused to work with me to make my phone work on their network so I switch to T-mobile.
I’m using the S22 Ultra 908E on T-mobile to write this right now. I don’t see any issue. If there is one, the phone is the issue.
Click to expand...
Click to collapse
Carrier aggregation and 5g all working well for you on t-mobile?
The missing of band 71 if using on TMO, is a big loss. I wouldn't bother.
dj24 said:
Carrier aggregation and 5g all working well for you on t-mobile?
Click to expand...
Click to collapse
No. I don't expect an international phone to be fully working on a US carrier network such as TMO or ATT due to missing bands. If I have to choose between slower connection and the ability to root, I'd choose the latter one. I chose TMO because it works, white ATT not working at all.
There are wifi networks available almost everywhere I go nowadays. In case there is none, usually when I was driving, 4G/LTE always available and that's good enough.
bobimbap said:
No. I don't expect an international phone to be fully working on a US carrier network such as TMO or ATT due to missing bands. If I have to choose between slower connection and the ability to root, I'd choose the latter one. I chose TMO because it works, white ATT not working at all.
There are wifi networks available almost everywhere I go nowadays. In case there is none, usually when I was driving, 4G/LTE always available and that's good enough.
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So to confirm, no signal at all for att/cricket?
What about h20wireless? Redpocket mobile?
What site to use to check compatibility? I'll take slower speeds
To confirm:
1. AT&T blocks your sim right away. Your phone turns into a small tablet. That's it. Nothing you can do about it. I don't bother with smaller companies. I only go for the big boys.
2. T-Mobile will give you slower speed and freedom of root. This comes from my experience. Very little chance I need to use my plan's data. I can't tell the speed is slower at all. As far as carrier's features, I don't use any of them, but I think you can still have them if you change it to proper CSC.
Google search your model then you will find what bands your model support. Then Google search your choice of carrier to see what bands they have. Google is your friend.
Not just slower speed. Theres some areas that band 71 would be required to even get service at all in rural areas. Like just 5 min from my house if you have T-Mobile and your phone doesnt have band 71 no service.
hyelton said:
Not just slower speed. Theres some areas that band 71 would be required to even get service at all in rural areas. Like just 5 min from my house if you have T-Mobile and your phone doesnt have band 71 no service.
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Will Samsung Galaxy S22 Ultra work in USA?
In this page we are going to show you the compatibility of Samsung Galaxy S22 Ultra with the mobile networks of USA and with the telephony operators that provide service in USA.
www.kimovil.com
This site is what I used and it looks like the version I want to get will suffice. But what do you think?
this.guy.lol said:
Will Samsung Galaxy S22 Ultra work in USA?
In this page we are going to show you the compatibility of Samsung Galaxy S22 Ultra with the mobile networks of USA and with the telephony operators that provide service in USA.
www.kimovil.com
This site is what I used and it looks like the version I want to get will suffice. But what do you think?
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All depends on area. It's still missing band 71 and N71 5G. I personally couldn't as it would make my phone useless in areas I frequent
hyelton said:
All depends on area. It's still missing band 71 and N71 5G. I personally couldn't as it would make my phone useless in areas I frequent
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But you could get the 4G LTE tho at least right? I have a 5G phone and i only get LTE speeds which is fine but the carrier doesn't offer 5G.
this.guy.lol said:
But you could get the 4G LTE tho at least right? I have a 5G phone and i only get LTE speeds which is fine but the carrier doesn't offer 5G.
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No. Band 71 is an LTE band on TMobile.
hyelton said:
No. Band 71 is an LTE band on TMobile.
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Ohh ok.
hyelton said:
Not just slower speed. Theres some areas that band 71 would be required to even get service at all in rural areas. Like just 5 min from my house if you have T-Mobile and your phone doesnt have band 71 no service.
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In the end, as @hyelton just said, it all depends on your area, your luck and how you would use your phone... There is no definite answer to the op's question until he figures it out himself. It works for me and I am happy with what I got but that may not apply to everyone else... If the op decides to roll the dice for a chance to get a phone that he can have total freedom over it he can go for it. Otherwise, just buy the one on Samsung website ending with U models and have all of his worries put away. Honestly, I didn't think about any of that when I placed my order.
My unlocked 908U1 on t-mobile work perfectly, supported band25 with 130-180mbps speeds on LTE.
ps: 5G is totally disabled as it switching every 5 seconds between 4G\5G networks
malikin said:
My unlocked 908U1 on t-mobile work perfectly, supported band25 with 130-180mbps speeds on LTE.
ps: 5G is totally disabled as it switching every 5 seconds between 4G\5G networks
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My OP was based on the international versions because I absolutely have to have root. I have not owned a phone that I could not have root capabilities in over 10 years.
I don't care so much about 5G I just want to have a phone that functions on a US carrier from overseas. Maybe it got lost in translation but I just want to know what carriers people have and if anybody has the carriers that I mentioned with confirmation or denial of service.
Specifically the carriers on most questioned about are H2O wireless and red pocket. I'm not very Google friendly and so I'm not familiar with the bands I'm used to just buying a phone and it working as intended for my purposes.
^^^ You're overthinking it. Just pull up the bandwidths for the carrier you're looking to utilize and go from there. As mentioned you're better served by going for one of the major carriers and maybe their prepaid services. Remember major carriers prioritize their post paid plans first for their optimum network traffic followed by their own respective prepaid plans and finally the MVNOs. I would stay away from the MVNOs in your scenario if you're importing a handset not configured for the U.S to begin it and degrading it further by using an MVNO.

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