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Question on 3G on T-Mobile network


Jan 12, 2009, 3:23 PM
Hello, everyone!
I have searched and researched about the 3G service on T-Mobile network without much success.
I am using LG ks20 from I believe UK, unlocked. The spec on the phone says it is 3g capable on 2100 MHZ. The T-Mobile site says it has 3G service on 1700 or 2100MHZ frequency. However, I only receive Edge signal for my internet browsing. I also checked the data coverage map. My area is well covered for 3G service.
Can someone help me clear up this question?

My second question is what if I get one of the 3g phones from AT&t and unlock to use it on t-mobile? (I just renewed my 2 year contract with t-mobile and I do not want to pay fee to break the contract. And believe it or not, t-mobile is the only carrier that gives any si...

Jan 12, 2009, 3:42 PM
Have you tried the phone elsewhere in your city (ie metropolitan-type area, downtown, etc)? I would go to a tmobile corporate store that has 3g phones in stock and see if they pick up 3g. Your data connection has a name, and more importantly, an access point, so setup a new connection(s) on the phone for data: internet2.voicestream.com. Also try epc.tmobile.com. I'll bet your connection is set as wap.voicestream.com or the default uk connection for whatever provider the phone is from (probably tmobile, from what your post says, as I'm not familiar with your phone model.) Post back w/ any help as far as the connections go, as the more I think about it, the more it sounds that is the problem to me.

Jan 12, 2009, 5:22 PM
Thank you for your response.

I am going to try different 3g phone from t-mobile(not much choice) in different area and let you know. My area is in metropolitan area and I do not think the result would be much different from other big city area.

My data setting is already set as epc.tmobile.com. I do not have any problem receiving data signal at EDGE speed, it is just very slow when it comes to more graphic or video intense internet sites.

You can check this out, if you want to see my phone spec. It is very good phone.
http://www.gsmarena.com/lg_ks20-2105.php »

Thank you.

Jan 12, 2009, 5:29 PM
Try the other data connection I mentioned, internet2.voicestream.com. It's a 3g connection, but it works w/ other regular edge-only phones as well as 3g phones getting edge connection when 3g coverage isnt available. I actually use that connection on my windows mobile edge-only phone for data and I don't even pay for it in my plan! Lemme know if I can be any more help.

Jan 12, 2009, 8:20 PM
Check this out. They have pretty good info on t-mobile 3g service. It seems like it is possible to get the 3g in my area but I may have to wait a little more.

http://forum.xda-developers.com/showthread.php?t=434282 »

Oh, on the connection setting, I think the epc.tmobile.com is the best and fastest connection as of now. It does not use proxy and it is faster.


Jan 12, 2009, 8:28 PM
Using edge, any differences between different connections would be negligible. I can't comment on 3g as it isn't available here.

Jan 14, 2009, 12:26 PM
You are not going to be able to use 3g with your unlocked UK phone. The phone will only pick up 3g in UK and from its original cell phone provider. Even if you were to unlock the new IPhone you still will not get 3G because it is built of AT&Ts network.

Jan 12, 2009, 4:24 PM
Well consider yourself lucky if you get any coverage in the US with that phone on TMO.
A quick search of that phone says it's a UK Tri-band 3G phone. Witch means it lacks the 850 & 1700 bands that TMO uses for voice/EDGE/3G here in the US.

That's the problem with buying 3G phones from the UK. 3G means the same thing across the board but different countries use different frequencies (bands) for their 3G, hence 2100 for the UK.

And no, an unlocked ATT 3G phone won't get 3G service on TMO.

Jan 12, 2009, 5:07 PM
Thank you for your quick response.
You said
andy2373 said:
A quick search of that phone says it's a UK Tri-band 3G phone. Witch means it lacks the 850 & 1700 bands that TMO uses for voice/EDGE/3G here in the US.

but check this out
http://support.t-mobile.com/knowbase/root/public/tm2 ... »

They are saying about the 2100MHz for 3G service.

Jan 12, 2009, 5:23 PM
I believe what there referring to there is when you are using TMO UK.

http://www.t-mobile.co.uk/ »

Jan 13, 2009, 12:50 AM
I'm not sure if you know, but the 2100 MHz band here in the United States is different from the 2100 MHz band in Europe. And in order for your European phone to work correctly here it would have to have the 2100 MHz and 1700 MHz bands on it here in the US to properly work on T-Mobile's AWS 3G network.

So even if you got an AT&T 3G phone, it wouldn't work on T-Mobile's 3G network because AT&T launched their 3G network in the 850/1900 MHz bands and that is how their phones are programmed to pick up a 3G signal.

Jan 13, 2009, 7:53 AM
This is correct. T-Mobile 3G uses the 2100 and 1700 bands exclusively (one band for upload and the other for download) and only a 3G phone with these bands will work. The first unlocked 3G phone that is capable of being used on T-Mobile's network is the Pharos, which is not launched yet.

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