I have a Tmobile HD2, and I travel a lot but whenever i go to some places i dont have the 3G option cuz the bands change 850/2100 and the default bands my cellphone have are 900/2100 so i cant connect to 3G wich sucks, is there a possibility to add/change those bands or something like that?
the bands are hard coded and can't be changed.
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I don’t know how to find out what band my smartphone uses. It’s T-Mobile, so it should sell in US, where GSM band’s 1900. But my T-mobile was in box, designed especially for Russia. The letters are in Russian, a GSM band indicated on the box in big black font is 900\1800.
But device information tab in WM 2003 displays "Hardware Version: PW 10B1" (as far as I understand that means 1900 band). In spite of this on the back of my device is a sticker with PW10A2 sign. Where's the truth?
Maybe my device uses 1800 frequency?
But anyway in the band selection tab there's only 2 bands 800 and 1900 (
If my device supports 1800 band, how can I activate it?
The seller’s support tells T-mobile MDA supports 1800… But they can’t explain how to enable it.
I don't know whether connected my second problem with previous. I think it is.
Sometimes my device doesn't find network after it lost it. Example: after leaving an underground subway station. To find a network I have to turn the phone off and then to turn it on.
My radio version is T310. If this problem doesn't connected with the first, maybe I just should change a radio version to a newer one?
The sticker tells the truth normally. Are you going in to bootloader to choose your band?
How can I choose GSM band through boot loader?
Enter bootloader by holding power button while pushing stylus in reset hole, when bootloader appears push the button below antenna, you will then have all gsm options, choose 900/1800.
You may be S O L!!!
You better hope your XDA is not a 900/1800 MHz one otherwise you're going to be SOL unless you plan on living overseas because here in North America, the wireless carriers like AT&T Wireless, Cingular Wireless LLC and T Mobile USA use EDGE/GSM/GPRS on the 850 and/or 1900 MHz GSM aka Next Generation network. 900/1800 MHz GSM is used overseas and is considered the international GSM bandwidths. Cheers!
You may be S O L!!!
You better hope your XDA is not a 900/1800 MHz one otherwise you're going to be SOL unless you plan on living overseas because here in North America, the wireless carriers like AT&T Wireless, Cingular Wireless LLC and T Mobile USA use EDGE/GSM/GPRS on the 850 and/or 1900 MHz GSM aka Next Generation network. 900/1800 MHz GSM is used overseas and is considered the international GSM bandwidths. Cheers!
Hi everybody.
I purchased a unlocked gsm optimus t (t-mobile) in USA last week. Well, in my country we have a 850/1900 wcdma band (it seems the same at USA), but, i can´t conect to 3G network.
Searching for the phone specs, i find it the optimus t work in 1700/2100 network, it´s that correct??. If the answer is yes, it is possible to change wcdma frequency in this phone??.
Thanks for you help.
Pd: I read if i install a correct firmware for my country (Chile) is possible to change it.
I don't think so. There are 2 versions of the phone. I've bought mine in Chile, and no matter what ROM I use, I still can connect to the 3G network.
However, I think you should keep your phone and wait for Nextel or VTR networks to become operational, which will work on those bands.
You should see those 3G networks doing a network search on your mobile.
More info: http://www.mobileworldlive.com/maps/network.php?cid=2047&cname=Chile
Does anyone know how to configure the way the phone lock to the different frequency towers? I.e. can we create a rule on how it works out which band it uses first.
i.e. In my area, i can get 2G, 3G and 850 WCDMA 3G. I want to configure my mobile to use the priority in order of
1. 2G
2. 850 WCDMA 3G
3. 3G
Anyone knows how to do this? Thx.
You can't control this as the towers tell the phone priorties. If everyone could choose whatever is "best" - say 2G - then the 2G channel would be jammed and then the 3G channel would be sitting idle.
The base station and the phone communicate and then mutually switch frequencies or channels.
You can manually lock the phone to 2G of-course then manually switch to 3G if/when you need speeds or something.
There are very valid reasons to be able to control how the signal is acquired. Some areas where 2G and 3G signals overlap, you may find that the 3G signal is weaker or problematic and you want the phone to hold on to 2G. It could be a particular band, i.e. 850MHz or 1800MHz.
Sometimes a particular 3G band is faulty so we need to exclude it.
Didn't say you didn't have valid reasons, hell i lock my phone to 850mhz when i'm using the stock ROM but on CyanogenMod can't do it. One reason why I did it is because 850mhz is stronger (obviously) but for some reason AT&T is camping everyone in the area on 1900. I'm guessing they are doing some LTE work on the 850mhz frequency so they push everyone off it to do the work needed but when I manually force it back to 850 calls work just as normal
Anyways, you can manually choose em using the network codes as I said, you just can't set up preferences as you so desire as that's controlled by the network, even if it's for reasons as mentioned. You can just disable 1900mhz and therefore only get 3G on 850 but if you go in an area where there's no 850 license then you wont have cell coverage.
OK so I just bought an AT&T One X+... it works fine on my network. Though I travel back to my country every now and then and in my country they use 900/1800 MHz GSM band (and doesn't have LTE). 3G band is 2100MHz and is compatible though. however I read somewhere that the One X+ only supports 850/1900 MHz band + LTE
So the question it if i UNLOCK it - will I be able to bring it back to my country and use it? Will the band difference be a problem or will the unlock process open up additional bands as well?
If I won't be able to use 2G can I make calls and text on 3G network only?
Thanks!
[i posted one in the general section and realized its wrong section but i cant seem to delete a thread so please forgive me]
So I love my HTC ONE.... Fantastic phone.. No question about it.
As I posted else where I have the UK model and I am on AT&T in the USA. It's working, but the HSDPA and 3G is bouncing around quite a bit and it jumps to E really quickly. And it loses the signal quickly in low signal areas. More than any other phone. If I switch the network to GSM, I have full signal almost everywhere.... But no data bandwidth.
It was suggested that I might need to look at my setup.
So here is what I have.
I have a STD LTE data plan
I have a STD sim that work on all my other LTE enabled phones
My APN is Called Phone and has the same setting as I find on the forum for a 4G setup...ie it is NOT the wap and cingular setup.
I have selected WCDMA and GSM networks (I know the phone is not compatible with AT&T LTE bands), but it acted the same way even when it was on the default GSM WCDMA and LTE Auto setting.
Does anyone know else I should check or change?
PS. I will likely buy the developer model, or the AT&T model as soon as it is available... this phone is that good!!!
Thanks for your help.
Nick
PS. I will be in Korea next week, so I am curious how the LTE will function there.... I will let you know. I think they have the 2600 band on one provider and that overlaps with the UK bands