Change baseband on HTC Hero - Android Software Development

Hi everyone,
Anyone knows how to change the baseband on an android phone? Specifically a HTC Hero, the "genius" telecommunication engineers of my country just implemented the 3G network, but it works at 850Mhz UMTS . So I need to change the baseband of the phone to get the 3G working.
Any help will be appreciated.

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Htc Touch Dual Edge

Hello everyone,
I am new to this forum and i have a question... I have the touch dual and the regular touch... Both devices are on the att(us) network... the touch gets edge connection with out an issue while the touch dual does not... i have the following rom on the dual...
ROM:1.31.707.09
ROM DATE 10/31/07
RADIO VERSION 1.58.16.27
Protocol Version 25.61.39.03H
can some one please help me out...
thank you,
Is your Network Type and GSM band both on Auto on the Phone Settings -> Band Tab page?
yes I have both settings set to auto...
it was confirmed that the regular touch has the 850 band even tho it is not advertised to. I know this cause I too used to own the elf and it roamed on AT&T's network when it couldnt find Cincinnati Bell Wireless network. I am not so sure the dual has this band cause I have never had the dual hit thier network.
it is weird cause the only place thet i can get edge is in midtown manhattan....
maybe the manhattan towers operate off of higher bands than the 850 band....
having the same problem no edge only g also no 3g since at&t is on a different 3g band as well if you find a solution please post or message me would greatly appreciate it.
looking for the australia telstra radio and rom since they do have the touch dual working on there 850 mhz 3 g network
smax12 said:
Hello everyone,
I am new to this forum and i have a question... I have the touch dual and the regular touch... Both devices are on the att(us) network... the touch gets edge connection with out an issue while the touch dual does not... i have the following rom on the dual...
ROM:1.31.707.09
ROM DATE 10/31/07
RADIO VERSION 1.58.16.27
Protocol Version 25.61.39.03H
can some one please help me out...
thank you,
Click to expand...
Click to collapse
I actually had a good Edge connection in New Mexico the other day and the speeds were pretty nice, not 3g but still good.

Network problem with Blackstone

Hi I would like you to help me with my network settings.
I'm from Mexico city and I bought a HTC Blackstone few days ago. First of all let me tell you that in my country we don't have a provider for HTC phones, we just have some of them but the old ones. So I bough my Blackstone from a US online-store.
I did Hard SPL on my phone and installed Laurentius26 "L26_THDV5" ROM. After that I took some time to configure the network settings from my country and everything was ok. But my problem is that my Blackstone is not working on 3G mode, it's using EDGE. Actually I don't know how far the differences are, but I can feel that it's slower with Youtube or Internet than my previous phone (a Nokia N75). I don't know if I changed something with the new ROM or if there is some way to fix it and work on 3G mode because actually I'm paying that service with my provider (Telcel).
Please, could someone help me with it?
The Nokia N75 supports the 850MHz / 1900MHz 3G bands.
The HTC Touch HD supports the 900MHz / 2100MHz 3G bands.
Depending on your provider you will not have 3G at all.
are you sure ?
I've started a thread about this:
http://forum.xda-developers.com/showthread.php?t=477426
in the menu: phone - options - BAND
which options are present?

[Q] Bell to T-mobile

I currently have a HTC legend and it is from Bell mobility, I want to use it on the T- mobile network. Everything works except for the mobile 3g internet and picture messaging. I did the setup in the settings/ wireless networks but the 3g part of it still seems to not want to work. I was wondering if there is a flash available? Any help would be greatly appreciated!
I'm pretty sure T-mobile uses different bands than the phone supports, AT&T will work with 3G though.
Ahhhhh, don't tell me I have to go back to At&t????
Unless you can live on EDGE only...
Sent from my S-OFF Bell Canada HTC Legend.
Well what about a radio update? Could I update the radio on the legend and gain access the the 3G network?
The hardware will only let you on certain frequencies, T-Mobile does not use those frequencies. You cannot change those frequencies with a radio update.
Sent from my S-OFF Bell Canada HTC Legend.

[Q] ARIA wont pickup 3G DATA connection

My Aria doesn' t pickup 3G connection i am using at&t rom until I can root it does anyone know if the problem is because os AT&T software I am connected to Portuguese carrier TMN.
The AT&T version of the Aria does not support the 3G frequencies that TMN uses. This basically means there is no way to get 3G data speeds with this phone on that carrier. However you should be able to get 2G data and voice calls without a problem.
Unfortunately installing a new ROM will not fix this issue. There's nothing you can do about it.
And is there any chance of changing the radio firmware so it would support it?
klauszlion said:
And is there any chance of changing the radio firmware so it would support it?
Click to expand...
Click to collapse
Nope, sorry. It's a difference in the hardware, not the software.
There are two "versions" of the HTC Aria/Liberty/Gratia. The A6366 which is the AT&T Aria and supports 850/1900MHz 3G bands, and the A6380 which is called Aria or Gratia depending on the region and supports 900/2100MHz 3G bands. It should say underneath the battery which version you have if you want to be certain. You would need the A6380 to get 3G to work in your area.

[Q] Differences Between E900 & E900h

Guys, anybody knows if really have any "real" difference between the E900 and E900h versions?
I am asking this because I own an Orange-FR E900 and as widely said, this version doesn't support UMTS 850. Even in the box of my handset only shows "WCDMA 900/1900/2100, GSM 850/900/1800/1900".
But I never had any problem using it anywhere I went in the American continent, even before I flashed it with the Open-EU ROM.
With the original French ROM, I had used it both in 3G and 3G+ successfully here in Brazil with Vivo, Oi and Claro SIMs (all UMTS 850/2100), in Argentina with a Personal Telecom SIM (UMTS 850/1900) and Canada on Fido (UMTS 850/1900).
Now with Open-EU ROM and the Tim SIM (UMTS 850/2100), I performed a simple test on Band Settings. With "WCDMA 850" set, I got the "3G" sign at the Status Bar, and with "WCDMA 2100" I got the "H" sign that replaced the "3G+" from the previous ROM.
So I'm guessing what is the deal here? Luckily I got one "factory all-unlocked bands" or all those "Euro-Spec / American-Spec" thing is just bs they told to us to avoid "bootlegging"?
Where did you get the OPEN EU ROM?? I can't find it.
As you know I am having problems connecting to UMTS 850 here with Claro Peru and I think is due to a software (ROM) lock or stuff like that and I wanna re-flash my phone E900 using the OPEN EU ROM.
Please, give me the URL to get the ROM. Did you get some issues with the new ROM? maybe camera or marketplace access?
Thank you
Vitucho
vitucho said:
Where did you get the OPEN EU ROM?? I can't find it.
As you know I am having problems connecting to UMTS 850 here with Claro Peru and I think is due to a software (ROM) lock or stuff like that and I wanna re-flash my phone E900 using the OPEN EU ROM.
Please, give me the URL to get the ROM. Did you get some issues with the new ROM? maybe camera or marketplace access?
Thank you
Vitucho
Click to expand...
Click to collapse
I got the ROM and all instructions here: http://forum.xda-developers.com/showthread.php?t=935578
I recommend you to read the entire thread before flashing your device. Information is never too much
PS.: Don't try to flash your E900 with an E900h ROM (and vice versa). If you do that, you gonna brick your device.
There are actually very minor differences, between the two. I have yet to compare actual parts models, but here are the sevice manuals, with all individual components teared down and outlined. Take a look, perhaps it would clarify something. The manuals are very long, of course.
E900:
http://hotfile.com/dl/97130029/09bc353/EN_LG-E900_SVC_ENG_101130.pdf.html
E900h:
http://hotfile.com/dl/97130111/57d6c7b/EN_LG-E900h_SVC_ENG_100929.pdf.html
Hi, I just got an E900 (It was a gift) I can't get a 3G signal in Telcel's (México) Network which uses a 850/1900 band. The phone is OPEN, is not locked in any form and came from factory with Mango.
I have tried all the possible band configurations through the MFG app but can't get a "3G" signal. Here is the question, is there any possibility to get the phone to work with Telcel's 3G Network or Am I wasting my time?
Best Regards
mikehc said:
Hi, I just got an E900 (It was a gift) I can't get a 3G signal in Telcel's (México) Network which uses a 850/1900 band. The phone is OPEN, is not locked in any form and came from factory with Mango.
I have tried all the possible band configurations through the MFG app but can't get a "3G" signal. Here is the question, is there any possibility to get the phone to work with Telcel's 3G Network or Am I wasting my time?
Best Regards
Click to expand...
Click to collapse
You are wasting your time, you need an e900h to get UMTS or 3G on the 850mhz band.
I've got both an used unlocked Vodafone E900 (carrier still says Vodafone - how do I get it to open) and a brand new Telus E900h with me and can't decide which one to keep.
E900H will have to be unlocked and it's asking me for PIN right now. But it has 850 signal and since I'm using Tmobile US with it I should be able to get 3G. With the E900 I'll only be able to get Edge on T-mobile unless if I switch to ATT but they're pay as you go plan isn't as nice.
But it seems that you aren't able to get internet sharing to work on E900h since Telus hasn't released it. That option is available to E900.
Are there any other differences? Which one should I keep? I've a tendency to lose phones but I don't think I'll want to keep both around.
Posted on wrong thread. Please delete.

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