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accessing 3g

I have an unlocked touch cruise with t-mobile in the us, but don’t understand how, or if I can, use the 3g function for internet data access. My questions are as follows:
1. How do I find out if my phone is the European version or the US version (each has differing specs on accessing the 3g network).
2. If it is the US version, will I be able to access the 3g network on t-mobile or AT&T in the US?
3. If it is the European version, will I be able to access the 3g network.
4. How do I know whether my phone is accessing 3g or not?
5. Is there a software fix to allow me to use either the European version or us version to access 3G.
Thanks in advance for any help you can offer.
Dave

there's only one version of the Cruise out:
http://www.htc.com/www/product.aspx?id=798
These are the frequencies:
Network HSDPA/UMTS: 2100 MHz (Europe), 850/1900 MHz (USA)
HSDPA: Up to 384kbps for upload and 3.6Mbps for download
UMTS: Up to 384kbps for upload and download
GSM/GPRS/EDGE: Quad-band 850, 900, 1800, and 1900 MHz (The device will operate on frequencies available from the cellular network)
It's triband 3G. It is currently working on ATT 3G in the US. I don't know about TMobile is there 3G network up and running, and if so I don't remember what frequency that might be at.
The icons at the top point to what type of network E/G is Edge, while 3G/H is 3G.
You can go into the Phone Settings under Band and see some of the different frequency choices. You can force it to be on Edge/GSM there or Auto (which will pick up 3G if it's available).

3 g access
hambola said:
there's only one version of the Cruise out:
http://www.htc.com/www/product.aspx?id=798
These are the frequencies:
Network HSDPA/UMTS: 2100 MHz (Europe), 850/1900 MHz (USA)
HSDPA: Up to 384kbps for upload and 3.6Mbps for download
UMTS: Up to 384kbps for upload and download
GSM/GPRS/EDGE: Quad-band 850, 900, 1800, and 1900 MHz (The device will operate on frequencies available from the cellular network)
It's triband 3G. It is currently working on ATT 3G in the US. I don't know about TMobile is there 3G network up and running, and if so I don't remember what frequency that might be at.
The icons at the top point to what type of network E/G is Edge, while 3G/H is 3G.
You can go into the Phone Settings under Band and see some of the different frequency choices. You can force it to be on Edge/GSM there or Auto (which will pick up 3G if it's available).
Click to expand...
Click to collapse
As I understand it (for internet data access) the european version (as alluded to in your quote) works at Network frequency: HSDPA/UMTS: 2100 MHz (Europe), the American version at the frequencies: 850/1900 MHz (USA). If my phone is the european version, then it works at 2100, and will not access usa networks, unless there is a fix.
t-mobile is 3G in my area.
How to I access the "phone settings under band". I cannot find this on my phone.
Thanks

What I am saying is the device can function on all 3 frequencies listed on the specifications page. I believe the Tmobile 3G frequencies are 1700/2100. You might want to search on the forum and check it out for sure. If it is 1700 you are out of luck. Here are some threads discussing it.
http://forum.xda-developers.com/showthread.php?t=427700
http://forum.xda-developers.com/showthread.php?t=417437
http://forum.xda-developers.com/showthread.php?t=391339
http://forum.xda-developers.com/showthread.php?t=390449
Go to Start -> Settings -> Band tab. If you don't have it, there is a registry tweak that enables that tab.

3 g access
hambola said:
What I am saying is the device can function on all 3 frequencies listed on the specifications page. I believe the Tmobile 3G frequencies are 1700/2100. You might want to search on the forum and check it out for sure. If it is 1700 you are out of luck. Here are some threads discussing it.
http://forum.xda-developers.com/showthread.php?t=427700
http://forum.xda-developers.com/showthread.php?t=417437
http://forum.xda-developers.com/showthread.php?t=391339
http://forum.xda-developers.com/showthread.php?t=390449
Go to Start -> Settings -> Band tab. If you don't have it, there is a registry tweak that enables that tab.
Click to expand...
Click to collapse
hmmm, htc told me there were two versions that the european version does not have the capability to switch to the us frequencies, which the specs list as 850 / 1900, but is only using the 2100 frequency. I'm not sure htc tech support is always accurate.
However when I go to the band tab via comm manager, settings, phone, band, it shows me (found with your assistance) that I can select gsm (1900 + 850) + UMTS(1900+850). I assume I should use this setting rather then auto.
T-mobile claims they use the 1900 and 850 bands. I am still at Edge.
I have not had time to read the threads you listed, and will do that later today. Perhaps I will have more questions then, but for now, did I select the correct gsm settings?
Thanks,
Dave

3g access
ok, read the posts you mentioned.
More information about differing versions
from phonescoop.com:
Versions of touch cruise for different regions support different 3G frequency bands.Eurasian version is WCDMA 2100 only)
I assume that since the 850 and 1900 is listed in my setup program, I have the usa version, if phonescoop is correct about two versions.
Since t-mobile works on 1700 I assume I cannot have 3g with them.
Will I get 3g with AT&T?

i personally have never heard of 2 different versions of the Cruise. I have one presumably imported from the UK and works on 3G here.

Btw the Cruise manual says this:
FunctionalityHSDPA/UMTS: 2100MHz for Europe, 850/1900MHz for USA HSDPA: Up to 384kbps for upload and 3.6Mbps for download UMTS: Up to 384kbps for upload and download
GSM/GPRS/EDGE: Quad-band (850, 900, 1800, and 1900)
There is only one version of the Cruise.
Also a caveat about the bands available in the Band tab of the Phone Settings. I believe some options might be available in the drop down even though the phone doesn't support it. Best thing is to look at the phone specs.

Mmmm... My Polaris shows this:

Bodisson said:
Mmmm... My Polaris shows this:
Click to expand...
Click to collapse
Bodisson said:
Mmmm... My Polaris shows this:
Click to expand...
Click to collapse
Bodison,
My phone has the same features in your picture.
1. Hambola states
"Also a caveat about the bands available in the Band tab of the Phone Settings. I believe some options might be available in the drop down even though the phone doesn't support it. Best thing is to look at the phone specs."
suggesting what's in the picture may not be in the phone.
2. He also states:
a.
"FunctionalityHSDPA/UMTS: 2100MHz for Europe, 850/1900MHz for USA HSDPA: Up to 384kbps for upload and 3.6Mbps for download UMTS: Up to 384kbps for upload and download
GSM/GPRS/EDGE: Quad-band (850, 900, 1800, and 1900)
b.There is only one version of the Cruise."
The phone specs restate what he states in 2a.
A and B seem to contradict one another. Unless it means that the phone is capable of all the MHz frequencies mentioned (850, 1900, and 2100), and when used in Europe it accesses 2100 frequency, and in the US the other frequency. This is not clearly stated in the specs.
If the allusion to functionality does not mean that the frequency used depends on where the phone is used, then therefore there are two versions, with hsdpa/umts for europe (2100) and another for USA (850/1900). In any case, HTC (probably not the ulimate source of reliability) states that there are indeed two versions.
According to Hambola's reference to the caution that what is in the picture may not be in the phone, what is in the picture shows what is in the specs of the phone. He is therefore suggesting that what is in the specs of the phone (as shown in the picture) are not reliable. Not sure what the implications of this are.
I have been reading other posts about 3g with ATT. Is it safe to assume that (if there is one version of the phone, or I have the one that is able to access the US bands as shown in Bodison's picture), that I will be smokin when I switch to ATT in January when my contract runs out?

I am pretty sure there is only one version of the Cruise and it has those 3 bands listed for 3G. In fact there are guys on this forum that have the UK Orbit O2 running on the ATT 3G stateside.

3 g access
In any case, I tested my phone with a buddy's ATT sim card and was able to access 3G for browsing just fine.
I agree there is one version, though the HTC rep told me otherwise, he was probably....

3G Frequencies

Is there a way to change the 3G Frequencies on the G1 to support AT&T 3G network?

Nope, thats a hardware issue.

I thought it was possibly a software issue. If not, is there a way to change out the chip or the incompatable part to make it compatible?

card13 said:
I thought it was possibly a software issue. If not, is there a way to change out the chip or the incompatable part to make it compatible?
Click to expand...
Click to collapse
Nope...not going to work for many reasons.

been answered plenty plenty of times.

From what I can figure a hardware change may not be required with the correct radio but we dont know the right radio without the right hardware. lol I know that makes no sense but it makes as much sense as anyone can make of it thus far. When its possible I assure you I will be among the first to do it. Although Im not ready to try installing a new radio without first acquiring a backup phone but if I do Im gonna give it a try and maybe have better luck than the last guy to try.

What about a mini-usb attachment that can receive atnt signals?
I am sure with that and the right software manipulation it could work.

sjbayer3 said:
What about a mini-usb attachment that can receive atnt signals?
I am sure with that and the right software manipulation it could work.
Click to expand...
Click to collapse
While it sounds great in theory I doubt anyone would put forth the resources for such a limited market.
You would be best off getting android to work on existing AT&T hardware.

in order to do it we would need hardware which would plug in the bottom and software to tell the phone to use the signal from the attachment.
while there wouldnt be millions in the market i guarantee there are hundreds.
if anyone wants to think about it i dont mind making 50 of em and selling for cost. i have some hook ups in the engineering field i work in

ok, my question is... Europe 3g is diff than tmob usa 3g, but is tmob europe the same 3g setup as US? and if europe 3g is same as tmob europe 3g, is att US 3g same as europe 3g. so if tmob europe is same as europe 3g then a europe g1 should work on att US 3g. am i coming thru clear or am i jumping all over?
Shaggy

Shagman68 said:
ok, my question is... Europe 3g is diff than tmob usa 3g, but is tmob europe the same 3g setup as US? and if europe 3g is same as tmob europe 3g, is att US 3g same as europe 3g. so if tmob europe is same as europe 3g then a europe g1 should work on att US 3g. am i coming thru clear or am i jumping all over?
Shaggy
Click to expand...
Click to collapse
The American G1 has 3G support for HSDPA 1700 MHz & 2100 MHz, both bands I believe are used by T-Mobile. In Europe I believe they use only 2100 MHz band for 3G.
AT&T on the other hand uses 850 and 1900 MHz HSDPA
The phone has the capability for 2G at 850 and 1900 MHz, so technically it can be used on their network, just not at 3G speeds.
Although technically it's possible to design a Phase-Locked Loop to operate at a variable frequency and to be tuned with jumpers or something, it's probably cheaper for them or they might be subsidized to make phones so that they are exclusive for one network in the US.
To me the ideal is more about standardizing the protocols and the frequencies used for all companies, and having all bands available for traffic. But at least in the short-term that's not really good for business and so probably won't happen for a while.
This is all based entirely on a limited amount of research and my opinion, take it for what it's worth.

Europe uses 1900/2100 in a pair (1900 is the uplink, 2100 is the downlink). (source)
Most phones produced these days are tri or quad band and can work (almost) anywhere.. I'm surprised the G1 isn't.

Shagman68 said:
ok, my question is... Europe 3g is diff than tmob usa 3g, but is tmob europe the same 3g setup as US? and if europe 3g is same as tmob europe 3g, is att US 3g same as europe 3g. so if tmob europe is same as europe 3g then a europe g1 should work on att US 3g. am i coming thru clear or am i jumping all over?
Shaggy
Click to expand...
Click to collapse
TonyHoyle said:
Europe uses 1900/2100 in a pair (1900 is the uplink, 2100 is the downlink). (source)
Most phones produced these days are tri or quad band and can work (almost) anywhere.. I'm surprised the G1 isn't.
Click to expand...
Click to collapse
*sigh*.
Folks, you need to learn about UMTS bands before complaining about that the G1 or any other phone can't do this or that when it certainly can.
The G1 is a 3g worldphone. It works on the US 1700 AWS network (UMTS Band IV) and works on the world's 2100 network (UMTS Band I). ATT uses the 1900 Band (UMTS Band II).
Apparently the common names for these networks is being confused with the actual operating frequencies because they don't upload and download on the same frequencies. The 1900 band is not the same as the 2100 band, even though the 2100 band (UMTS Band I) uploads in the 1900mhz frequency and downloads at the 2100mhz frequency range. The 1900 Band (UMTS Band II) uploads on the upper half of the 1800mhz and downloads on the 1900mhz frequency range. UMTS Band II uploads on the frequencies that UMTS Band I downloads.
These bands separate.
TMO 3g band is different from ATT 3g band which is also different from EU 3g band.
The 1700 band (UMTS band IV) is actually made up of 2 frequency ranges like the other bands I and II are: 1700mhz and 2100mhz. In fact, the 2100mhz download range for UMTS Band IV is within the same frequencies used for the Band I download range, theoretically making it cheaper/easier for manufacturers who make Band I phones to "support" UMTS Band IV phone production.
Most phones produced today are NOT "tri or quad-band" 3g phones. In fact, I have yet to find a quad-band 3g phone. If quad-band 3g phones were made, they would be very likely to support the T-Mobile 3g network, because it's the 4th largest UMTS band type (behind Band I, II, and V). I would be very shocked to find a phone which was 2100/1900/900/850 instead of 2100/1900/1700/850.
And the G1 is a worldphone. It works just fine on UMTS in Europe. It is a band I and band IV device.
read these 2 links:
http://www.htc.com/www/product/g1/specification.html
http://en.wikipedia.org/wiki/UMTS_frequency_bands#UMTS-FDD
So to clarify, when you see a list of support bands, this is what you should interpret from those advertised bands:
2100 Band = UMTS Band I (The entire world outside of North America)
1900 Band = UMTS Band II (The Americas, ATT)
1700 Band = UMTS Band IV (The Americas, TMO)
900 Band = UMTS Band VIII (Australia)
850 Band = UMTS Band V (The Americas, ATT)
Outside of North America, the 2100 band is almost universally deployed, even where the 850,900,1700 or 1900 band is deployed.

Using MT4GS outside US

Hi everyone.. I'm planning to get this device and use it outside the US (mainly China and Indonesia).
Will the 3G work in those 2 countries? From the specs sheet, I understand that MT4GS support UMTS 2100. So theoretically, there should be no problem, since China and Indonesia use UMTS 2100 band, but it would be better if someone with personal experience can confirm this.
Anyone here has any experience using MT4GS outside the US?

yep. I am. In the Netherlands. Don't know what band i am though. And i had to unlock the device before i could use it.

I'm in Canada, working fine on the regular GSM bands but I only get 2G speeds when using data...thinking about switching to a UMTS provider.

nldroid said:
yep. I am. In the Netherlands. Don't know what band i am though. And i had to unlock the device before i could use it.
Click to expand...
Click to collapse
so just to be clear.. your handset has no problem using 3G connection right? as far as i know, the netherlands also use UMTS 2100 band
mat_oli said:
I'm in Canada, working fine on the regular GSM bands but I only get 2G speeds when using data...thinking about switching to a UMTS provider.
Click to expand...
Click to collapse
why do you only get 2G when using data? is it due to the provider or the handset?

forzanetti said:
so just to be clear.. your handset has no problem using 3G connection right? as far as i know, the netherlands also use UMTS 2100 band
Click to expand...
Click to collapse
Yep i don't have any problems using the 3G connection. Just needed to find the right APN settings.
And according this site (and a couple of others):
http://www.worldtimezone.com/gsm.html
It's indeed the 2100 band.

nldroid said:
Yep i don't have any problems using the 3G connection. Just needed to find the right APN settings.
Click to expand...
Click to collapse
Great!! one less thing to worry then so I think there isn't any limitations if this device is used outside the US, as long as the UMTS band is correct.
Thanks a lot!

forzanetti said:
so just to be clear.. your handset has no problem using 3G connection right? as far as i know, the netherlands also use UMTS 2100 band
why do you only get 2G when using data? is it due to the provider or the handset?
Click to expand...
Click to collapse
It's due to the provider, they don't operate on the 2100 band, so I can only use their 2G network.

mat_oli said:
It's due to the provider, they don't operate on the 2100 band, so I can only use their 2G network.
Click to expand...
Click to collapse
Thanks for the info!! Now I feel more encouraged to get this device

I found this in the review section of this phone in phonearena :
Global travelers will like the handset very much since it can be used just about anywhere around the world for phone calls, but 3G and 4G data speeds can only be experience domestically through T-Mobile’s AWS band. However, you can still achieve 2G EDGE speeds with other network carriers.
Click to expand...
Click to collapse
now I'm confused again

2G it is GSM that can be used anyware in the world that supports GSM however 3G on different carriers uses different bands and different technology, Tmob uses a AWS* some carriers use this for there 3G.... Check if your carrier uses AWS for its 3G.
I know that Canada has WIND and Mobilicity that use AWS 1.7/2.1 for there 3G,.... that said I don't know about other countrys...
* About AWS in the USA
In September 2006, the Federal Communications Commission (FCC) auctioned licenses in the first Advanced Wireless Services band. This band was an area of wireless spectrum, half in the 1700 MHz (1.7 GHz) and half in the 2100 MHz (2.1 GHz) frequencies, that was already in use by government services. The spectrum was planned to become available after the government users migrated to different frequencies.

Mistix said:
2G it is GSM that can be used anyware in the world that supports GSM however 3G on different carriers uses different bands and different technology, Tmob uses a AWS* some carriers use this for there 3G.... Check if your carrier uses AWS for its 3G.
I know that Canada has WIND and Mobilicity that use AWS 1.7/2.1 for there 3G,.... that said I don't know about other countrys...
* About AWS in the USA
In September 2006, the Federal Communications Commission (FCC) auctioned licenses in the first Advanced Wireless Services band. This band was an area of wireless spectrum, half in the 1700 MHz (1.7 GHz) and half in the 2100 MHz (2.1 GHz) frequencies, that was already in use by government services. The spectrum was planned to become available after the government users migrated to different frequencies.
Click to expand...
Click to collapse
Hi Mistix.. thanks for your reply
Yes I'm aware about the AWS which uses the 1700/2100 band for their 3G and 4G, but according to phonearena, MT4GS supports the following band :
UMTS: 1700/2100, 2100
Click to expand...
Click to collapse
which means besides supporting AWS (1700/2100), it also supports the "regular" 2100 UMTS band. The information could be wrong though..
but nldroid has stated that he has no problem using 3G in the Netherlands. And the last time I checked, the Netherlands still use the "regular" 2100 UMTS band (AWS is only available in the states and Canada).

Maybe they mean that if you're T-Mobile USA customer you can only use 2G outside the US with roaming.
I'm definitly on 3G. (it actually says 4G sometimes: http://attachments.xda-developers.com/attachment.php?attachmentid=689448&d=1313411454)

nldroid said:
Maybe they mean that if you're T-Mobile USA customer you can only use 2G outside the US with roaming.
I'm definitly on 3G. (it actually says 4G sometimes: http://attachments.xda-developers.com/attachment.php?attachmentid=689448&d=1313411454)
Click to expand...
Click to collapse
Thanks for the pic! Looking forward to get my hand on this baby next month

[Q] Does huawei ideos support T-Mobile 3g?

Hi
I was told this would be a better forum for this question.
I have a huawei ideos (older non X6 version) and supposedly it is unlocked. It works with 2g/edge. It does not work with t-mobile 3g. I have looked for APN information and the info downloaded to the phone when I connected to t-mobile network is identical to what is listed on the net.
ie. I added
MMSC: http<colon><twoslash>mms.msg.eng.t-mobile.com/mms/wapenc
xxx added because I can not post urls.
Things which are odd. When choosing access network, it does not say T-mobile 3G. It only says T-mobile 2g, Att 2g and Att 3g. According to the net this phone supports the frequencies for tmobile.
gsm link for u8150 not allowed.
shows HSDPA 900 / 2100 / AWS
HSDPA 850 / 1900 / 2100 / 1700
And the wikipedia entry for tmobile
shows
1700 MHz/2100 MHz UMTS (W-CDMA)/HSPA 4G (formerly 3G[31]) 2006 2008 (3G), 2010 (Marketed as 4G) First carrier in the U.S. to deploy services on AWS frequencies. Markets HSPA+ as "4G". UMTS band IV
Not sure if HSPDA spec is same as HSPA though.
I did the trick where you enter #*#*4636*#*#* and checked phone settings. I changed the setting from CDMA to GSM auto (PRL). I also tried to hit menu and select radio band, but it pulls up an empty "Set GSM/UMTS Band" dialog. There is nothing to select.
I guess my question is, does this phone support 3G for t-mobile and if so, what setting am I missing?
thanks in advance.
John

I got an email from Huawei support
Hi,
Just as another data point. I got an email regarding this issue from Huawei support. They said an unlocked phone from one provider may not fully support 3g on T-Mobile. I asked them what he meant by not fully support.
Here is an excerpt from the Huawei email:
This phone is capable to be used in 3G that is correct, however if the phone is unlocked from the original provider it may not be fully compatible on 3G on the different providers network.
Click to expand...
Click to collapse

Please use the Q&A Forum for questions Thanks
Moving to Q&A

three more datapoints
Hi
I got another note from Huawei. They said they don't support unlocked phones.
I talked to t-mobile support. They said the u8150 uses PPP and not RMNET. I have never heard of RMNET, and that the phone would only support 3G if it was rooted.
This seem like BS all around to me. T-mobile and Huawei.
I did test my phone with a friends tmobile sim and the phone behaved the same. ie. edge only.

Some more datapoints
Hi
This phone is available in two different frequency capabilities. Considering mine can see the ATT 3G network, it must be using the second set of frequencies. This second set is listed as usable by T-Mobile as well. Here is the info:
From the huawei spec sheet.
At the top it shows
UMTS 900/AWS/2100MHz or
UMTS 850/1700/1900/2100MHz;
EDGE/GSM/GPRS: 850/900/1800/1900MHz
According to Wikipedia
ATT
850 MHz GSM/GPRS/EDGE 2G
1900 MHz GSM/GPRS/EDGE 2G
850 MHz UMTS/HSPA 3G
1900 MHz UMTS/HSPA 3G
700 MHz LTE 4G
T-Mobile
850 MHz GSM/GPRS/EDGE 2G
1900 MHz GSM/GPRS/EDGE 2G
1700 MHz/2100 MHz UMTS (W-CDMA)/HSPA 4G (formerly 3G[31])
When I connect to wireless networks, I see three choices:
T-Mobile 2G
AT&T 2G
AT&T 3G
So I am guessing my u8150 is using the second UMTS set of frequencies:
1. 850 (since it sees two edge networks and that is only available in the second set.)
2. 850 and 1900 (since it see's AT&T 3G and it is also in the second set)
This second set of frequencies is also used by T-Mobile so I don't understand why this phone can not connect to T-Mobile 3G using my simcard or my pals.

It's all about the supported 3/4g bands. Most carrier Androids only support their networks spectrum's. Check gsmarena to ensure compatibility.

Hi,
Thanks for the info. Maybe I don't understand, but I thought gsmarena showed this phone as using both the Att and Tmobile bands. I remember when I had nexus ones was that one version was for ATT 3G and one was for TMobile 3G. I'm guessing that the 8150 is similar with the exception that huawei has not published accurate docs. ie. their docs say both frequences for all phones when in reality its two different model phones with only one label.

netskink said:
Hi
I got another note from Huawei. They said they don't support unlocked phones.
I talked to t-mobile support. They said the u8150 uses PPP and not RMNET. I have never heard of RMNET, and that the phone would only support 3G if it was rooted.
This seem like BS all around to me. T-mobile and Huawei.
I did test my phone with a friends tmobile sim and the phone behaved the same. ie. edge only.
Click to expand...
Click to collapse
I apologize for not reading all of your posts
This isn't BS. It's the same issue facing Cricket phones attempting to connect on Verizon. I'm not fully up to speed but it looks like RMNET needs to be added via the kernel (edit sources and compile).
The below thread isn't specific to Tmo but it should give you some insight.
[04JAN][TMOUS]CMYLXGO's Stripped & Squashed Stock Desire HD[KERNEL:gauner1986][RMNET]
This is what Huawei meant by "may not be supported". However, if the phone connected to Tmo with SIM then it's already carrier unlocked. You now face the above issue plus prl, etc.
You face a long road ahead. My suggestion, sell the Huawei and buy a used Tmo Android.

[Q] Using 3g Argentina (Movistar) [WCDMA 850?]

Hi! I've bought this phone (SGH-T959V) from T-Mobile on USA, and when I went to Argentina, I found that the carrier that I have (Movistar) mixes the frequencies or something like that.
It uses GSM 850 / 1900 and UMTS 850 / 1900. By default, my phone can't use 3g (neither HSDPA) from this carrier.
Dialing *#*#197328640#*#* And going to Network Control > Band Selection, I can choose which frequencies to enable / disable.
If I disable GSM 850, and enable all the rest, I can get to use 3g on the 1900 Mhz, but I get much lower signal.
The frequencies that I can enable / disable from this menu are:
GSM 850
GSM 900
FCS 1800
PCS 1900
WCDMA 2100
WCDMA 1700
WCDMA 1900
I don't know how this works, I want to use my phone and be able to use 3g / HSDPA / HSDPA+ / 4g if possible..
I think that I need to find a way to enable WCDMA 850 on my phone.. Is it possible?
I am using the last upgrade from Kies (Gingerbread) 2.3.6
Do I have to flash a new modem? I've searched for available modems for this phone, but none of them say anything about enabling WCDMA 850 frequency

When I go into Settings - Wireless and network - Mobile networks - Network mode it has a GSM/WCDMA (auto mode)
Have you tried that?

Yes, I've tried that, that option is enabled!

In the GL9003L model (Samsung Galaxy S too) from this country, the WCDMA 850 option is enable (also the WCDMA900). Isn't there a way to add that frequency to my phone >.< ?

The hardware doesn't support UMTS 850 which you said is used by your carrier's 4G. You won't be able to use this phone on their 4G network.

Buh, so there's no way to change the frequencies it uses?
Sucks I can't use 3g (not 4g, 3g!!!) on my country

No you won't be able to. According to this page, these are the frequencies available on the phone:
http://www.gsmarena.com/samsung_galaxy_s_4g-3719.php
2G Network GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 1700 / 2100
Click to expand...
Click to collapse
Your network will have to be running on exactly those frequenices to get 3G/4G

I think that is wrong.. I have another carrier that works on the 850 / 1900 band and I CAN user their 3g (mostly because I can connect to the 1900 band..), but I can't use HSDPA+.
So:
with one carrier, Movistar, that uses UMTS 850 / 1900 I can't use 3g, it only connects to the EDGE network, and when I dial *#0011# with the GSM bands disabled it says that the 3g service is limited and I can't use it at all.
With the other carrier, Personal, that uses the same bands, I can use 3g on the 1900 band, but can't use HSDPA or the 850 band.
Also, from the #*#*193728640#*#* menu I can choose the UMTS 1900 band.

I've a similar problem the difference is a got 3G but not 4G and can't figure out what is going on. I'm with digicel and the only use 1900 wich is already enabled. I once tried movistar and had the same problem I suggest you another carrier
This's my problem:
http://forum.xda-developers.com/showthread.php?t=1515877

Do not trust phonearena as it has wrong information about our device frequencies that it can use.
umts 1700,2100,1900
So basically no, you won't get anything else than edge on those 850/900 frequencies.
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