Develop Bugs

Let me get this straight - So TP2 is not a true "world phone"?

I'm a little green when it comes to 3G stuff, but please correct me if I am wrong...
Yes, you can put foreign SIM cards in US TP2's but not get 3G coverage in Europe. On the other hand from what I have read, European TP2's (even the unbranded ones) will not work with 3G is the US.
And if I am wrong... can someone please point me to a TP2 that will work on 3G networks in most of the world?
Or does one have to have two TP2's to enjoy 3G.. one for the US, and one for Europe, etc.?

quid246 said:
I'm a little green when it comes to 3G stuff, but please correct me if I am wrong...
Yes, you can put foreign SIM cards in US TP2's but not get 3G coverage in Europe. On the other hand from what I have read, European TP2's (even the unbranded ones) will not work with 3G is the US.
And if I am wrong... can someone please point me to a TP2 that will work on 3G networks in most of the world?
Or does one have to have two TP2's to enjoy 3G.. one for the US, and one for Europe, etc.?
Click to expand...
Click to collapse
Where have you heard that a NA TP2 won't work with 3G in EU?
The only limitation I'm aware of is a NA TP2 won't work w/ NA GSM 3G.

Oh SoS said:
Where have you heard that a NA TP2 won't work with 3G in EU?
The only limitation I'm aware of is a NA TP2 won't work w/ NA GSM 3G.
Click to expand...
Click to collapse
Until someone hacks it

I can't remember where I read it. But someone said if you wanted 3G in Europe, better to get a Euro unbranded model.
So perhaps this is under the assumption that it isn't hacked... not sure.
Slightly, off-topic Q but rather than start a new thread.... once a HardSPL is out for both the CDMA and GSM TP2's... will they effectively be "equal" devoces?
I really would like to pick-up a TP2 in the next few days... I like the VZ unit, but it's CDMA and since I travel quite a bit, really prefer and need more of a GSM phone, but don't like the TMO as no 3.5mm jack.

quid246 said:
I can't remember where I read it. But someone said if you wanted 3G in Europe, better to get a Euro unbranded model.
So perhaps this is under the assumption that it isn't hacked... not sure.
Slightly, off-topic Q but rather than start a new thread.... once a HardSPL is out for both the CDMA and GSM TP2's... will they effectively be "equal" devoces?
I really would like to pick-up a TP2 in the next few days... I like the VZ unit, but it's CDMA and since I travel quite a bit, really prefer and need more of a GSM phone, but don't like the TMO as no 3.5mm jack.
Click to expand...
Click to collapse
The Verizon unit already has international GSM bands unlocked, AND international (2100MHz 3G). If you've been a Verizon customer for 60 days or more you can call them up and get an unlock code for free and use any SIM card in your phone so you can get a cheap prepaid SIM and not pay the high Verizon roaming costs. There's also a small (I'd say around 25%) chance that the NA 3G bands will be found/unlocked, but at this point who really knows if they are there or not.

Actually the Telus CDMA TP2 supports the European 3G bands but not the American ones becuase technically you will be using it in North America on CDMA and outside America on GSM. So its the other way around

It seems that if you have the Sprint TP2 that it won't register at all on US GSM networks, but comes unlocked by default.
On Verizon (which I have) a simple phone call to support they'll give you the unlock code and you're good to go. I use an Orange (UK) Sim in mine just fine in the US and others in other forums have reported that using US SIM's from TMobile/AT&T work fine also in the US.
--chris

TP2 = best 'World' phone I've ever owned.
quid246 said:
I'm a little green when it comes to 3G stuff, but please correct me if I am wrong...
Yes, you can put foreign SIM cards in US TP2's but not get 3G coverage in Europe. On the other hand from what I have read, European TP2's (even the unbranded ones) will not work with 3G is the US.
And if I am wrong... can someone please point me to a TP2 that will work on 3G networks in most of the world?
Or does one have to have two TP2's to enjoy 3G.. one for the US, and one for Europe, etc.?
Click to expand...
Click to collapse
I have an unbranded HTC factory TP2, and it works in 3G mode anywhere I take it that has the 3G network... and I travel all over the US/Caribbean and back to EU/UK. Have not found one spot it hasn't worked (inlcduing some of the very obscure Carib countries), and I like the fact that it automatically picks up HS when within range without having to change any settings.
Just have to make sure that your provider gives you a 3G SIM (most of them are these days) and that you have the 3G service enabled on your account in the respective country.
Many people say they can't pick it up yet don't have it on their account, or think that their EU provider will automatically provide it as part of the roaming service... which is not a good assumption to make.

TyTanIc said:
I have an unbranded HTC factory TP2, and it works in 3G mode anywhere I take it that has the 3G network... and I travel all over the US/Caribbean and back to EU/UK. Have not found one spot it hasn't worked (inlcduing some of the very obscure Carib countries), and I like the fact that it automatically picks up HS when within range without having to change any settings.
.
Click to expand...
Click to collapse
3G in North America? I doubt that. The phone does not support North American 3G bands. Are you sure it was 3G in North America??

Man, this is all confusing... I swear somebody has to come up with an HTML table of what phones work with what and where and stickify it.

Can people just put this to bed already!!!
The Sprint (North America) TP2 is suppossed to be used on CDMA in the US and GSM worldwide, hence the GSM radio is unlocked for outside America GSM use. This is how it comes default. If that is so hard to grasp, then there is no hope for some, sadly.
As for the title, the TP2 is a world phone, it works in the US (and North Ameria) on CDMA and elsewhere unlocked on GSM. That to me is the true definition of a World phone from a U.S CDMA perspective (and especially moreso as this is the CDMA version).
To put it in perspective, a Sprint customer (in this case, moi) gets the best of CDMA in the U.S and when traveling to visit his sister in High Wycombe in the U.K (like i'll be doing this Autumm) gets to pop in a PAYG U.K sim in the same phone and use it while over there. This phone doesn't get any "worldlier" to me than this scenario!!
Is the O.P attempting to specifically define a dual mode CDMA/GSM-unlocked World phone as not world phone because it's locked by default from doing GSM in it's primary market which happens to be CDMA (and in this case Sprint)?
This is not rocket science folks, it really isn't.

LordLugard said:
Is the O.P attempting to specifically define a dual mode CDMA/GSM-unlocked World phone as not world phone because it's locked by default from doing GSM in it's primary market which happens to be CDMA (and in this case Sprint)?
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Click to collapse
Point taken. It's just that with that same Sprint phone (correct me if I am wrong), you can't travel to Canada pop in a Rogers SIM card and get Rogers 3G.
Wouldn't the phone want to swing towards it's CDMA cousin, Telus or Bell?

mmmhhh86 said:
3G in North America? I doubt that. The phone does not support North American 3G bands. Are you sure it was 3G in North America??
Click to expand...
Click to collapse
AT&T 3G runs on 850/1900 GSM, the TP2 supports both of those bands, how would it not work with 3G on AT&T in the US?
T-Mobile runs 3G on 1700/2100 GSM bands, both of which aren't included on the TP2, as far as my research has lead me to believe.

Basically while it may be a quad band GSM phone, it is only a dual band 3G device. It comes in two flavours - UMTS 900+2100 or UMTS 1900+850
The 900/2100 version is far more common than 850/1900

.mak said:
AT&T 3G runs on 850/1900 GSM, the TP2 supports both of those bands, how would it not work with 3G on AT&T in the US?
T-Mobile runs 3G on 1700/2100 GSM bands, both of which aren't included on the TP2, as far as my research has lead me to believe.
Click to expand...
Click to collapse
It supports those bands for HSDPA CDMA not GSM 3G
Network 3G EVDO Rev A (800/1900 MHz), UMTS/HSPA (2100 MHz), GSM/ EDGE (850/900/1800/1900 MHz)
This is the Telus version btw

quid246 said:
Point taken. It's just that with that same Sprint phone (correct me if I am wrong), you can't travel to Canada pop in a Rogers SIM card and get Rogers 3G.
Wouldn't the phone want to swing towards it's CDMA cousin, Telus or Bell?
Click to expand...
Click to collapse
"it Depends"
The US CDMA phone operates in 3 modes.
1 CDMA Only
2 GSM Only
3 'Global' (whatever it can find).
If you have it in Global it will generally take the CDMA local carrier over anything else. However, not always. I've had mine switch to GSM for a bit then go back to CDMA. But mine is Verizon and unlocked so it works everywhere in the US and I also have a UK sim card in it. So I'm a little 'different'.
But, in any case, you can tell the phone which mode to use if you want. All upto you.
--chris
(verizon TP2)

here we go again... (tp2 3g na)
"I have an unbranded HTC factory TP2, and it works in 3G mode anywhere I take it that has the 3G network... and I travel all over the US/Caribbean and back to EU/UK. Have not found one spot it hasn't worked (inlcduing some of the very obscure Carib countries), and I like the fact that it automatically picks up HS when within range without having to change any settings."
So, maybe he's wrong. But either way...
You wanna know why this keeps coming up again and again?
(not because we're all dumb and thick headed, which we may very well be)
But,
Because we just have trouble imagining them hardware "band amplifier" hobbling the hardware when it's so much easier to do it somewhere in firmware.
We all know that the less you fiddle with the hardware for multi-region functionality the less you have to fiddle with the production line and fiddling with the production line is the Last Thing a manufacturer wants to do.
Someone even once said that there wasn't room in the Rhodium platform for quad band data support. But now we're expecting the tilt 2 to do just that.
So, all protestations aside, those of us who paid ~700 us clams for this beauty, and who like the kbd layout.
And who have like me (as quite the Early Adopter), forked out for an sx56, sx66, 8135, x7510((quad band data)
Just feel a leetle wee bit of a sense, dare I say it, of Entitlement for the TP2 to be enabled into a fully world wide phone.
So we keep hunting, and digging, and dreaming, and .... posting.....

well here is my two cents i have the original unlocked euro version of the tp2 and all i get in the us it edge. it is really impossible to get 3g in the US (2100) because this version of the phone literally does not have the attena for it. and so that you can see all the different types of tp2s and the technical and physical differences between them here is a link: http://pdadb.net/index.php?m=pdacom...&id3=1792&id4=1829&id5=1766&id6=1989&id7=1751

drae1980 said:
well here is my two cents i have the original unlocked euro version of the tp2 and all i get in the us it edge. it is really impossible to get 3g in the US (2100) because this version of the phone literally does not have the attena for it. and so that you can see all the different types of tp2s and the technical and physical differences between them here is a link: http://pdadb.net/index.php?m=pdacom...&id3=1792&id4=1829&id5=1766&id6=1989&id7=1751
Click to expand...
Click to collapse
3g in the USA must be on the 1700 band then, as thats the only gsm band that the euro version doesn't support.
Euro version
GSM850, GSM900, GSM1800, GSM1900, UMTS900, UMTS2100
TMOUS version
GSM850, GSM900, GSM1800, GSM1900, UMTS1700, UMTS2100

Anyone know of a good site to order a prepaid SIM card? I plan on using my VZW TP2 in Spain and France. I was also wondering if I should or could disable data and use my TP2 with Garmin XT so I don't get nailed for data usage. Your thoughts would be appreciated...
Mugs

American T-Mobile Touch Pro 2 and travel

Will I be ok travelling with this phone to Europe and Canada and getting 3G? Will the bands work? If not, is there something that can be done to make it work? I'm abot to get one and would like to confirm.
Thanks.

tinpanalley said:
Will I be ok travelling with this phone to Europe and Canada and getting 3G? Will the bands work? If not, is there something that can be done to make it work? I'm abot to get one and would like to confirm.
Thanks.
Click to expand...
Click to collapse
the t-mobile rhodium supports UMTS 1700 and UMTS 2100 so if canada and/europe use those bands for UMTS (3G) then yes it will work. If not, the device is quad band GSM so no problem using voice and EDGE for data.
Also make sure the device is unlocked if you plan to put another carrier's SIMcard in the device.

tinpanalley said:
Will I be ok travelling with this phone to Europe and Canada and getting 3G? Will the bands work? If not, is there something that can be done to make it work? I'm abot to get one and would like to confirm.
Thanks.
Click to expand...
Click to collapse
Not sure about Canada...but TmoUSA 3G bands are different than Euro-3G.
Unrelated, but worth mentioning: the T-Mobile USA international roaming charge for data is steep -- $15/megabyte.
If you got a Euro sim card that would fix the $, but not the radio (for 3G).

The T-Mobile version supports AWS and 2100 3G so works fine in Europe and most other locations. Had 3G T-Mobile and 3G Orange in the UK, but I would suggest a local SIM too. For the UK, both T-Mobile UK prepaid and Virgin UK prepaid work in a locked T-Mobile TP2 or get it unlocked for more choices.

jamssx said:
The T-Mobile version supports AWS and 2100 3G so works fine in Europe and most other locations. Had 3G T-Mobile and 3G Orange in the UK, but I would suggest a local SIM too. For the UK, both T-Mobile UK prepaid and Virgin UK prepaid work in a locked T-Mobile TP2 or get it unlocked for more choices.
Click to expand...
Click to collapse
You used a T-Mobile USA version of the TP2 in Europe and had a usable 3G data connection?? Hmmm...that's the first I've read of this.
If this is well-known (and if so, maybe I'm just clueless ) can you provide a link to more discussion, that is...uhh...evidence...of it? Not about what bands the USA version supports -- I know that part -- but other reports/disucssion of it actually working.
On the other hand, are there any reports of a Euro-TP2 that can work on 3G bands in the USA?

USA TMO TP2 will work on TMO 3G in USA. It may also work on WIND Mobile for 3G data here in Canada, not sure about voice as they are using some strange network setup.
As the phone is UMTS 2100 capable, it will get 3G data and voice in most places in Europe and Asia.

quid246 said:
USA TMO TP2 will work on TMO 3G in USA. It may also work on WIND Mobile for 3G data here in Canada, not sure about voice as they are using some strange network setup.
As the phone is UMTS 2100 capable, it will get 3G data and voice in most places in Europe and Asia.
Click to expand...
Click to collapse
Have you tried a TmoUSA TP2 in Europe or Asia -- yourself -- and accessed 3G data?
I'm still doubtful, but I actually hope I'm wrong 'cause I'd love to be able to get 3G data on my TmoUSA TP2 while traveling in Europe...as long as I get a Euro sim card. Otherwise, faster data just means more roaming-$$.

MCbrian said:
Have you tried a TmoUSA TP2 in Europe or Asia -- yourself -- and accessed 3G data?
I'm still doubtful, but I actually hope I'm wrong 'cause I'd love to be able to get 3G data on my TmoUSA TP2 while traveling in Europe...as long as I get a Euro sim card. Otherwise, faster data just means more roaming-$$.
Click to expand...
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Check the specifications. It supports both 1700 and 2100 UMTS. That means it will work in Europe. ALL Touch Pro 2's have 2100MHz UMTS and quadband GSM, every single one of them, including the CDMA ones. The carrier specific ones add certain bands.
European Touch Pro 2s have UMTS 900
CDMA Touch Pro 2s have CDMA bands
T-Mobile USA has 1700MHz AWS band
AT&T has 850/1900MHz UMTS

TP2 overseas vs versions
I believe, as I've use phones often in the US and overseas, that T-mobile uses 1700 UMTS in the US, but that their TP2 is also 2100 UMTS. Just as At&t Tilt uses 850 & 1900 UMTS (At&t requires both frequencies), but also has 2100 UMTS. As such, both should work in most European, African and Asian countries (verizon and sprint you,re mostly screwed).
I believe the older Tytn II (tilt) was sold world wide as a 850/1900/2100 phone, so you could basically buy it anywhere and use it here on At&t only for 3g or T-mobile Edge only. Unfortunately, the TP2 is sold mostly as a 900/2100 UMTS worldwide outside the US, so you are stuck buying the US versions that correspond to the US networks. The bonus of the At&t tilit 2 version is that it is 850/1900/2100, so it will work almost anywhere. The drawback of the T-mobile TP2 is that 1700 is used by almost no one and while you can use it in most of the aforementioned places, you can't use it in the Americas outside the US & Canada.
Check out this handy wiki UMTS page: en.wikipedia.org/wiki/List_of_Deployed_UMTS_networks
Just a note, I almost always pick up a pay as you go sim in other countries- much cheaper and very little hassle. Worth it for anything over a week stay. Maybe not as much so in some of Western Europe.

drjby4 said:
I believe, as I've use phones often in the US and overseas, that T-mobile uses 1700 UMTS in the US, but that their TP2 is also 2100 UMTS. Just as At&t Tilt uses 850 & 1900 UMTS (At&t requires both frequencies), but also has 2100 UMTS. As such, both should work in most European, African and Asian countries (verizon and sprint you,re mostly screwed).
I believe the older Tytn II (tilt) was sold world wide as a 850/1900/2100 phone, so you could basically buy it anywhere and use it here on At&t only for 3g or T-mobile Edge only. Unfortunately, the TP2 is sold mostly as a 900/2100 UMTS worldwide outside the US, so you are stuck buying the US versions that correspond to the US networks. The bonus of the At&t tilit 2 version is that it is 850/1900/2100, so it will work almost anywhere. The drawback of the T-mobile TP2 is that 1700 is used by almost no one and while you can use it in most of the aforementioned places, you can't use it in the Americas outside the US & Canada.
Check out this handy wiki UMTS page: en.wikipedia.org/wiki/List_of_Deployed_UMTS_networks
Just a note, I almost always pick up a pay as you go sim in other countries- much cheaper and very little hassle. Worth it for anything over a week stay. Maybe not as much so in some of Western Europe.
Click to expand...
Click to collapse
That is correct. Apparently they are only able to have 3 3G frequencies (though NTT DoCoMo is currently working on a chip that can handle 8 frequencies!)
At first Europe only used 2100MHz 3G and AT&T had set up on 850MHz/1900MHz. Since those were the only 3 bands, HTC would put all three of those bands in its phones up to the Tilt (Kaiser). Once they made the Raphael though, there was 900MHz 3G in Europe and T-Mobile had chosen the AWS band.
Since they can apparently only put 3 bands in, and Europe now needed two for 900MHz/2100MHz, they could no longer put but of AT&T's frequencies in. So they must have just dropped them.
The AT&T version (FUZE) has 850MHz/1900MHz and also has 2100MHz, which is the dominant band for 3G in Europe. I am not sure if they are using 900MHz there yet, but they decided that was more important to put in the European ones than AT&T's bands.
T-Mobile's 3G phones get AWS and 2100MHz. I think AWS might use 2 of the bands because it is split on 1700MHz and 2100MHz (but a different 2100MHz apparently, maybe low 2100MHz vs high, I'm not sure)

petard said:
Check the specifications. It supports both 1700 and 2100 UMTS. That means it will work in Europe. ALL Touch Pro 2's have 2100MHz UMTS and quadband GSM, every single one of them, including the CDMA ones. The carrier specific ones add certain bands.
European Touch Pro 2s have UMTS 900
CDMA Touch Pro 2s have CDMA bands
T-Mobile USA has 1700MHz AWS band
AT&T has 850/1900MHz UMTS
Click to expand...
Click to collapse
It doesn't just support 1700 and 2100, it uses both to work: 1700 for up/send and 2100 for down/receive. So, how does the Tmo USA radio cope without 1700 band for up/send when it's expecting it?
petard said:
T-Mobile's 3G phones get AWS and 2100MHz. I think AWS might use 2 of the bands because it is split on 1700MHz and 2100MHz (but a different 2100MHz apparently, maybe low 2100MHz vs high, I'm not sure)
Click to expand...
Click to collapse
So, the full story (?) is that T-Mobile uses 1700+2100 (up/down) in the USA (which is what I already understood/knew) and in addition to that pair there's a separate slightly-different 2100 band that's used outside the USA? -- That, I didn't know.
If that's the explanation, that makes sense. But confusing that there's 2 different 2100 bands...
I may have to use some frequent-flyer miles and go check it out...

MCbrian said:
So, the full story (?) is that T-Mobile uses 1700+2100 (up/down) in the USA (which is what I already understood/knew) and in addition to that pair there's a separate slightly-different 2100 band that's used outside the USA? -- That, I didn't know.
If that's the explanation, that makes sense. But confusing that there's 2 different 2100 bands...
I may have to use some frequent-flyer miles and go check it out...
Click to expand...
Click to collapse
According to Wikipedia, UMTS Band I (commonly known as 2100MHz) uses 1920 - 1980 for uplink and 2110 - 2170 for downlink while UMTS Band IV (AWS, 1700MHz) uses 1710 - 1755 for uplink and 2110 - 2155 for downlink.
Band II (1900MHz) uses 1850 - 1910 for uplink and 1930 - 1990 for downlink and band V (850MHz) uses 824 - 849 for uplink and 869 - 894 for downlink. The uplink and download for these are close, unlike bands I and IV.
http://en.wikipedia.org/wiki/UMTS_frequency_bands
I just assume they are only able to have 3 different frequencies since I have yet to see a UMTS phone with 4 frequencies. But as I wrote this, I'm not too sure because there were phones with Band I, Band II, and Band IV which would mean that there are chips capable for 4 different frequencies? Who knows, maybe someone with actual technical knowledge about this can say.
Also according to that page, there are five different UMTS bands deployed across the world. A bit of a pain. That is more then GSM ever had and who knows if it will grow to even more. LTE also will be coming in before GSM is phased out, so we are going to have to have phones that have GSM, UMTS, AND LTE. GSM will be no problem, quadband has been standard for a while, but having a phone that has both your carriers UMTS and LTE frequencies is going to be tough unless you buy it from your carrier.
What they should have done is just used the band names, and not their frequencies. It would be much easier to know that Europe runs on band I and T-Mobile USA runs on band IV and the T-Mobile Rhodium supports both Band I and Band IV.

ATT 3G Help me

OK call me foolish but I got fed up with TMobile and switched to ATT because the company offered to pay my data plan to keep me on call. I had been saying no but a billing problem that they refused to fix left me steamed. Anyway, is there anyway to make AT&T 3G work on my Tmobile TP2?

T-mobile is only edge...you cant use 3g unless you have a tilt 2

djteotancolis said:
T-mobile is only edge...you cant use 3g unless you have a tilt 2
Click to expand...
Click to collapse
Let me rephrase that, for all the people that got "confusimacated" at first glance (like me)
The T-Mobile TP2 will work on AT&T's system, but it will only be capable of EDGE, and not 3G due to the fact that AT&T's and T-Mobile's 3G service use different frequencies.

Overseas Version
I have the overseas HD2 (LEO) which in not branded by T-Mobile. I also have ATT, can i get 3g on it?

at&t 3G is on the WCDMA 850/1900 megahertz bands. The Leo operates on EU frequencies, 900/2100 WCDMA for 3G service. Your Tmobile gets 3G on the 1700 MGHZ band. You need a phone with NA 3G frequencies to get 3G from at&t, and those are 850/1900 WCDMA. None of your devices will see 3G here in NA. Europe operates 3G on 1900 and 2100 and a few on 900 WCDMA, Japan and South Korea are on 2100 WCDMA only and NA is on 850/1900, so you need to be really careful of the hardware you purchase for it to work where you want it to and at the speeds you want. Edge comes on the older GSM frequencies and almost all phones have the 4 GSM frequencies, 850-900-1900-1800, but none have all the GSM and all the WCDMA frequencies, could but don't. Most US phones will have 3 WCDMA frequencies, 850-1900-2100. Better to buy an unlocked tilt 2 or sign an agreeement with at&t for a discounted phone.
Good luck.

[Q] International Desire, American 3g?

I'm moving to the U.S. (california if that matters) in a couple of weeks and it's time for me to buy a desire. Being from Sweden I'm used to having great 3g service and use it well. What happens if i buy the phone here (not a U.S. specific model) and bring it overseas? Will 3g work? If so, can I choose from any carrier?

Woppe said:
I'm moving to the U.S. (california if that matters) in a couple of weeks and it's time for me to buy a desire. Being from Sweden I'm used to having great 3g service and use it well. What happens if i buy the phone here (not a U.S. specific model) and bring it overseas? Will 3g work? If so, can I choose from any carrier?
Click to expand...
Click to collapse
No it won't - a European Desire won't give you 3G on any US Network.
Regards,
Dave

Woppe said:
I'm moving to the U.S. (california if that matters) in a couple of weeks and it's time for me to buy a desire. Being from Sweden I'm used to having great 3g service and use it well. What happens if i buy the phone here (not a U.S. specific model) and bring it overseas? Will 3g work? If so, can I choose from any carrier?
Click to expand...
Click to collapse
it all depends on which carrier you use. I have ATT and I bought my Telstra (made for AUZ) that uses the same band for 3g as ATT does and I get great 3g in SO CAL.
if you buy one in Sweden it will not work on 3g here. You can buy one from US Cellular and it will work here but they don't have that great of coverage. You can buy a EVO from Sprint, but you won't have a sim card.
If you buy a Telstra for the US it will work in Sweden (not sure about 3g) but you will have 3g in US on ATT when you get here. I bought my from here

Thank you, that was helpful information!
Is a Desire using the 850MHz band what I need?

Woppe said:
Thank you, that was helpful information!
Is a Desire using the 850MHz band what I need?
Click to expand...
Click to collapse
yes, the 850 will work on ATT 3g

I'm going to Florida on holiday next year. I intended on buying a prepaid sim for my Desire (from Orange, debranded and unlocked). I did intend using 3G if it were available but after reading some of these posts I'm now unsure this will work.
Much appreciated if anyone could give me any advice.
Many thanks.

or8it said:
I'm going to Florida on holiday next year. I intended on buying a prepaid sim for my Desire (from Orange, debranded and unlocked). I did intend using 3G if it were available but after reading some of these posts I'm now unsure this will work.
Much appreciated if anyone could give me any advice.
Many thanks.
Click to expand...
Click to collapse
if you have an EUR desire it will not work on 3g in the US, it has different bands. it will work for Edge. If the phone's bandwidth (networks) don't match the carrier's it does not matter what sim card you have. Most EUR world phone's will work in US but just not on 3g, it must be same bandwidth.
if you must have 3g for your hoilday then you are better buying a prepaid phone, but that won't be a Desire

Thanks for explanation, very helpful.

Hi!
Type *#*#4636#*#* in dial pad, you will get to a screen where some information and hidden settings placed in; then tap on the first item which is "telephone information", and there press "menu" button, here in the android menu the first item is "select radio-band"! when you choose this menu option you will see a list of GSM/UMTS radio-band alternatives; Automatic, EURO, USA, JAPAN, AUS, AUS2 bands"
Well I'm not expert on this particular issue, just wondering what these radio-band options are for(?) Maybe you can change your Desire's radio band to USA band and try if it works in the USA (appreciate if you supply feedback whether or not it really works)
Sent from my HTC Desire using XDA App

You can't change bands that's hardware related, its cheaper to buy a TELUS desire, it has 850, 1900 bands
Sent from my HTC Desire using XDA App

htc fan89 said:
You can't change bands that's hardware related, its cheaper to buy a TELUS desire, it has 850, 1900 bands
Sent from my HTC Desire using XDA App
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Unfortunately when the Telus Desire goes back to Sweden, it won't have 3G.
The US Cellular Desire won't work in Sweden at all since there's no CDMA carrier.
If it weren't so hard now to get a Nexus One I'd suggest that to you. Both version support Euro 3G and you'd use it on AT&T or T-Mobile in the US depending on which version you acquire.
The problem is, as far as I know, there are no tri-band 3G HTC Desires. There is 850/1900 (Telus), 850/2100 (Telstra) and 900/2100 (Euro). So Telstra is the only one that gives you some compromise of 3G on both continents.
On the other hand I'm pretty sure all the GSM North American Samsung Galaxy S phones (Bell Vibrant, AT&T Captivate, T-Mobile Vibrant) support the Euro 2100 band.

[Q] Which (global) WP7 phones work on TMobile US with 3G?

Right now "officially" there are only the HTC HD7 and Dell Venue Pro available on TMobile USA.
Does anyone know which other phones would work (after unlocking) with 3G on TMO US?

er...none?

I think so far only these two WP7 devices supports AWS bands.
On other platforms is different, as in the case of latest High-End Nokia devices (but Symbian OS):
http://pdadb.net/index.php?m=pdacomparer&id1=2823&id2=2599&id3=2601&id4=2574&id5=2475&id6=2379
However it is a fact that the multi-band support, increases the cost. Is better to invest in features that do will be use
Best regards

Many WCDMA devices support the 1900 band, if you don't care the 1700 band.

but he asked about 3g...the phones don't offer 3g. Sure 2g works
3g nope

And consider 1700 AWS band with no longer be T-mo 3G after merger (AT&T needs the AWS band for LTE), you will be insane to spend $$$ on your own handset.
Even on AT&T side, there have been a lot of markets switched over to 850 band for 3G. So, even with a phone that support 1900 band 3G is no longer safe even on AT&T.

foxbat121 said:
And consider 1700 AWS band with no longer be T-mo 3G after merger (AT&T needs the AWS band for LTE), you will be insane to spend $$$ on your own handset.
Even on AT&T side, there have been a lot of markets switched over to 850 band for 3G. So, even with a phone that support 1900 band 3G is no longer safe even on AT&T.
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Depends where you live. I have Omnia 7 on AT&T so it only has 1900 band, and I don't even notice a difference in 3G from my last phone. I'm sure it's probably worse, but I get 3G almost everywhere.

DatDereX1 said:
Depends where you live. I have Omnia 7 on AT&T so it only has 1900 band, and I don't even notice a difference in 3G from my last phone. I'm sure it's probably worse, but I get 3G almost everywhere.
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In my area, all 3G towers were 1900. Then AT&T switched all of them to 850 last year. This year, they switched back to 1900 again. AT&T has indicated in the past that it intends to deploy more 850 band 3G to improve coverage.

I thought the 1900 towers would stay 1900, and new ones would be 850

Virtually all 3G-850 american handsets, also have 3G-1900 band. In other hand, the carriers such as Telstra (Australia) and Telcom New Zealand have also 3G-850, with 3G-2100 band (not 1900); but these last are a minority.
The AWS bands with WCDMA technology (3G), are only used by TMoUS (as we all know); and fatally these bands will be used by "new" Latin American carriers like Nextel Mexico and others like VTR and Nextel Chile.
No larger carrier exists than TMoUS, that use AWS bands, so that all developments in AWS bands, should be first implemented in TMoUS ...until now

DatDereX1 said:
I thought the 1900 towers would stay 1900, and new ones would be 850
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Aparently not. Install new towers cost $$$.

iusauser said:
Virtually all 3G-850 american handsets, also have 3G-1900 band. In other hand, the carriers such as Telstra (Australia) and Telcom New Zealand have also 3G-850, with 3G-2100 band (not 1900); but these last are a minority.
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That's true but most ppl who buy unlocked/unbranded handsets buy the European models which typically only come with 1900Mhz band 3G for NA. Those handsets rarely ever supports 850Mhz.

If I use unbranded ROMs on TMO I have gotten 4G on both my HD2 and 7.

thuddome said:
If I use unbranded ROMs on TMO I have gotten 4G on both my HD2 and 7.
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It's not the ROM but the actual hardware that has the limitation although sometimes ROMs can have band limits as well.

foxbat121 said:
It's not the ROM but the actual hardware that has the limitation although sometimes ROMs can have band limits as well.
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On both my HD2 and HD7 I will get an "H" signal. I was talking to T-Mobile support and they told me that was 4G and I was getting it because of the ROM. I asked why they would restrict the 4G if the hardware would do it and they said it was to control the number of devices on each network. I can only get it with an unbranded ROM. I'm not arguing, just telling you what they said. HD7 according to T-Mobile is NOT a 4G capable phone but mine gets an "H" signal all the time.

thuddome said:
On both my HD2 and HD7 I will get an "H" signal. I was talking to T-Mobile support and they told me that was 4G and I was getting it because of the ROM. I asked why they would restrict the 4G if the hardware would do it and they said it was to control the number of devices on each network. I can only get it with an unbranded ROM. I'm not arguing, just telling you what they said. HD7 according to T-Mobile is NOT a 4G capable phone but mine gets an "H" signal all the time.
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HSPA --> 'H' indicator on your handset (with custom ROM)
HSPA+ --> what T-Mobile advertises as "4G"
The H does not mean 4G. It means you have HSPA. In the carrier-specific ROMs they overwrite the H bitmap with one that shows 3G instead, to "help" their customers and avoid confusing them.

tai4de2 said:
HSPA --> 'H' indicator on your handset (with custom ROM)
HSPA+ --> what T-Mobile advertises as "4G"
The H does not mean 4G. It means you have HSPA. In the carrier-specific ROMs they overwrite the H bitmap with one that shows 3G instead, to "help" their customers and avoid confusing them.
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Good to know...thx