Database Users

3G Networks hardware LOCKING to each carrier by HTC

Among those of you with a deap knowledge of the inner working of HTC phone for 3G networks.
Is HTC doing something to phones for each carrier to lock the phone to a specific carriers 3G network and no other.
I'm asking because I was talking with a freind of mine who was given a HD2 as a part of a promotion for use on AT&T 3G network (850/2100). He uses T-Mobile and tried to get it to work with his T-Mobile SIM with no success. He also told me he had a conversation with someone from HTC that told him that he would no beable to get his HD2 to work on T-Mobile because the hardware will not work with T-Mobiles 3G network (1700/2100).
If this is the case does anyone know if it changable, is it a Firmware issue that can be changed or is it like hard wired physically?
Then the question is if we are buying these phone, some through contracts others outright, do we want to told whos service we have to use!!
Lets have some good discussion...

there are billions of threads on this.
3g is radio/hardware dependent. he'll unfortunately be stuck on EDGE.

He will have no issues using the phone with T-mobile usa. He will not get 3G because of the bands. He will just have edge. But calls, mms, text, email, and internet will all function properly.

Clarify this please
I bought my HTC HD2 in USA (unlocked) and here in Peru, where I live, I cannot get it to work with 3G. If I lived in USA, is there a way to know with what carrier I would get 3G ?

alejo1575 said:
I bought my HTC HD2 in USA (unlocked) and here in Peru, where I live, I cannot get it to work with 3G. If I lived in USA, is there a way to know with what carrier I would get 3G ?
Click to expand...
Click to collapse
So you are on Claro in Peru?
For 3G you need a phone with 3G 1900 support. If it is the T-Mobile version, that would have 3G on 1700/2100 bands which would be no good. If you got an AT&T handset (850/1900) it would work for 3G for you.
You need to understand what 3G support your version of the phone has. For example mine (Telstra Australia) is 850/2100 - which would not be able to pick up 3G in your network - however it works excellent with Telstra (850) in Australia and currently working well with StarHub (2100) in Singapore.
Your phone is quad band - but that is GSM quadband not 3G - it is 3G dual band and that is what is important for your connection.
***
Edit:
See http://en.wikipedia.org/wiki/List_of_UMTS_networks for list of 3G networks...

Yeah ...bad news
tallmantim said:
So you are on Claro in Peru?
For 3G you need a phone with 3G 1900 support. If it is the T-Mobile version, that would have 3G on 1700/2100 bands which would be no good. If you got an AT&T handset (850/1900) it would work for 3G for you.
You need to understand what 3G support your version of the phone has. For example mine (Telstra Australia) is 850/2100 - which would not be able to pick up 3G in your network - however it works excellent with Telstra (850) in Australia and currently working well with StarHub (2100) in Singapore.
Your phone is quad band - but that is GSM quadband not 3G - it is 3G dual band and that is what is important for your connection.
***
Edit:
See http://en.wikipedia.org/wiki/List_of_UMTS_networks for list of 3G networks...
Click to expand...
Click to collapse
Hi tallmantim ....
Thanks for your response. Yeah, today I did my homework and found that my HD2 has UMTS (HSDPA) 900 - 2100 bands, a fact that is not good because Claro and Movistar in Peru operated the 850 - 1900 bands for 3G.
Question: is there a HD2 version with 850 - 1900 band ????

alejo1575 said:
Hi tallmantim ....
Thanks for your response. Yeah, today I did my homework and found that my HD2 has UMTS (HSDPA) 900 - 2100 bands, a fact that is not good because Claro and Movistar in Peru operated the 850 - 1900 bands for 3G.
Question: is there a HD2 version with 850 - 1900 band ????
Click to expand...
Click to collapse
No, but the Telstra HD2 will pick up the 850MHz signals where they exist. There is no HD2 with the 1900MHz UMTS band at the moment

lude219 said:
there are billions of threads on this.
3g is radio/hardware dependent. he'll unfortunately be stuck on EDGE.
Click to expand...
Click to collapse
Would you mind pointing me in the direction of those BILLIONS of threads.
I've done searchs on hardware dependents, radio/hardware dependents, 3G radio.
There are so many way that is topic could be listed.
I'm finding nothing but my thread now just as before.

theisdept said:
a freind of mine who was given a HD2 as a part of a promotion for use on AT&T 3G network
[...]
Then the question is if we are buying these phone, some through contracts others outright, do we want to told whos service we have to use!!
Click to expand...
Click to collapse
Erm, so AT&T gives a phone, for promotion of their service, and at the same time they should allow you to use another network? You've got too much hope there...

alejo1575 said:
Hi tallmantim ....
Thanks for your response. Yeah, today I did my homework and found that my HD2 has UMTS (HSDPA) 900 - 2100 bands, a fact that is not good because Claro and Movistar in Peru operated the 850 - 1900 bands for 3G.
Question: is there a HD2 version with 850 - 1900 band ????
Click to expand...
Click to collapse
yea my friend my phone is , and i am here with t mobile suffering from same problem like u , i bought that phone which is compatible with Asia , not here in usa
is there way to exchange??
mine is
Network HSPA/WCDMA:
900/2100 MHz
Up to 2 Mbps upload and 7.2 Mbps download speeds
Quad-band GSM/GPRS/EDGE:
850/900/1800/1900 MHz
(Band frequency, HSPA availability, and data speed are
operator dependen)

egypro said:
is there way to exchange??
Click to expand...
Click to collapse
exchange your phone for cash
exchange that cash for a phone that supports the correct bands.

T-MOBILE HTD HD2 Canada Compatibility

I just recently bought a tmobile htc hd2 from ebay and plan on using it on vorgin mobile (which i believe uses bell's network).
As i understand, bell uses a HSPA+ (850 Mhz) connection, which this phone is not compatible. But i have been doing some searching and i found the phone specs on gsmarena whcih state that the american version has HSDPA 850.
I was wondering if there was any possibility that the phone will work on Virgin Mobile 3G or any way I can get it to work (unless it is just a hardware limitation)
Thanks in advance

The US T-Mo HD2 is hardware limited to different frequencies;
GSM: 850/900/1800/1900 MHz
WCDMA/HSPA: 1700 MHz (AWS) / 2100 MHz
So it should get edge no problem but 3g.....
Now the Telstra version which has the 850 band would work in theory.

So it will at least work with virgin? Because if 3 g doesn't work I could wait till later in 2010 when wind mobile expands to my area and I believe wind should work correct?

So it will at least work with virgin? Because if 3 g doesn't work I could wait till later in 2010 when wind mobile expands to my area and I believe wind should work correct?

Check pdaplaza.ca
I got an HD2 from them last week. I'm on Rogers, and 3G/HSDPA work perfectly. I'm not sure about Bell.
I believe mine is an unlocked Telstra version. The T-Mobile version doesn't do 3G on 850 as far as I understand.

how much did it end up costing with shipping and all?

Hi!
I just got a HD2 here in the US. I am just visiting and my old phone, the HTC Touch HD died 2 days ago, so I bought the HD2 here.
Can you please assure me that it will work in Germany?
I think it will, because in Germany we use 900 / 1900 as GSM Frequency, as far as I know.
Can you please help? Thanks.

UK Legend 3G bands & T-Mobile US

I'll be moving back stateside this August and I'd love to use my sim free Legend on a gsm provider back home.
T-mobile US 3G bands are (900/AWS/2100 MHz)
The Legend is specified for use at: HSPA/WCDMA: 900/2100 MHz
Can anyone clarify if I'll be able to get 3G on a T-mobile US sim?
Or even knowing the bands are similar does the fact that T-mobile uses AWS and not HSPA/WCDMA mean I wont get 3g?
Any type of clarification would be helpful

3djon said:
I'll be moving back stateside this August and I'd love to use my sim free Legend on a gsm provider back home.
T-mobile US 3G bands are (900/AWS/2100 MHz)
The Legend is specified for use at: HSPA/WCDMA: 900/2100 MHz
Can anyone clarify if I'll be able to get 3G on a T-mobile US sim?
Or even knowing the bands are similar does the fact that T-mobile uses AWS and not HSPA/WCDMA mean I wont get 3g?
Any type of clarification would be helpful
Click to expand...
Click to collapse
Hey man, you might have figured this out already but, as far as I can tell, you can't use the T-mobile US 3G bands on the legend. I got my legend over the interwebs and put my t-mobile SIM in there, and although there's 2g data, no 3G. I don't really mind though, it's an awesome phone and it gets plenty of second glances since there's nothing like it here in the states. I'm also around wi-fi most of the time i need it, but it would be awesome to get that 3G working.
I've looked around a little but can't find anything. Does anyone know if this is even physically possible? And if so, how? Thanks.

Should a UK HD2 act different on a Canadian Network?

Hi All
I have recently moved to Canada with my UK HTC HD2.
Since moving here I have changed my phone provider to Fido (Rogers Network). Internet seems extremely slow compared to my UK provider.
Someone told me that because I have a UK phone it is not using the correct bands for HSPA and that's why my internet access is so slow. Internet access is extremely fast on Wi-Fi so I know it's not a problem with the ROM etc.
Can anyone give me any ideas if this sounds correct - do I need to sell my UK HTC HD2 and purchase an American one to get over this problem?
Thanks

I think your friend is correct.
Rogers uses 850Mhz and 1900 Mhz, while in the
United Kingdom the bands used are 800Mhz and 1800Mhz (and some 2100Mhz),
Your UK HD2 is of European configuration, and should be able to cope with the Rogers frequencies. (See)
Your phone uses 900 - 2100 for 3G
Rogers provides it at 850 - 1900 , therefore your phone will slow down to GPRS speeds.
Have you tried flashing a new radio ROM?
If so, perhaps you should try another one.
At least in theory you could keep your phone and have mobile broadband.
What your friend is telling is true for dual band phones, however the HD2 is quad band..... Perhaps contact your provider (sometimes the dataplan has not been correctly activated, therefore access to mobile broadband is denied, and you will revert to the low GSM data band)
Otherwise contact HTC.
PS: Sorry for my ****-up

the t8585 (regular hd2) uses 900 and 2100 for 3g.
source
thats why canadian users with cash to splash go for the australian telstra model which uses 850/2100
You will only get GPRS and edge speeds, and no, the american wont get 3g either.

Yep....
I's official, I am cross-eyed, got the correct info, but wrong interpretation.
I stand corrected.

Thanks to both of you for the response .... I'm a little confused though!
So if I bought a T-Mobile USA model - that wouldn't give me 3G on the Rogers network I'm on? I have to buy an Australian Telstra model to get 3G?
Thanks!
*EDIT* ... Oh I think I get it now... I don't need to have the 850 and 1900 bands to use 3G on the Rogers network so long as I have one or the other - correct me if I am wrong please?

yea thats it, and the US hd2 has 1700/2100 which is why that one doesnt get 3g on rogers.

I get ya! Thanks for that.... so is Canada the only country that uses 1900? I'm asking because I now know that I can buy an Australian phone to suit the 850 but is there another country's phone apart from Canada that will use the 1900 band?
also I noticed something in my phone settings....there's an option to change my base band so I have selected 850/1900 GSM but it doesn't seem to have made a great deal of difference even after a reset

that's gsm, (calls, gprs and edge) nothing to do with the umts bands.
put umts bands into google, theres a Wikipedia page tells you what countries and networks use what bands.

T-Mobile HD2 on Australia 3g?

Hello,
I want to buy a T-Mobile HTC HD2, one question, will it work with Optus 3G Network as I've heard that it does not work with AT&T 3g so I'm wondering will it work with any other 3g provider OTHER than AT&T.
If it does work will it have any compatibility or performance issues?
THanks.

Im pretty sure my HD2 worked with the Optus network this afternoon.
Perth. WA.
dave

I was wondering if there will be problems if the T-Mobile can't use the 3g bands that Optus uses.
It seems that Optus uses HSPA 900 and 2100, not sure why 900 and 2100 is used, now here are the specs for both the HD2's T-mobile and non T-Mobile :
http://www.gsmarena.com/t_mobile_hd2-3228.php
http://www.gsmarena.com/htc_hd2-2957.php
As we see the T-Mobile does GSM 850/900/1800/1900 and HSDPA 1700/2100, and the non T-mobile can do HSDPA 900/2100, Telstra one does HSDPA 850/2100.
Now I'm wondering if the T-Mobile (or Telstra) can't do HSDPA 900, what problems will I see?
Once again I would like to use these on the Optus 3G Network.
Thanks,
BTW Dave, is yours a T-Mobile version.