Develop Bugs

Can I change GSM bands from 850/1800/1900 to 900/1800/1900 in HTC Touch

I have a Canadian version of the HTC Touch working on 850/1800/1900 band and I wounder if there is Is there any way ( Flash update/ Hardware MOD/ Any other? ) to eable GSM 900 or convert it to a Eurobean model 900/1800/1900.
Is this possible ?
Thanks in advance,

I know this is old, but i too am looking for an answer.
I got an unlocked Roger's HTC touch from Canada and like to use it in Israel. unfortunately, it cant find any networks here.
is there a way to change the bands to 900/1800.

gsm cdma?? what that? which hard spl

hi
i know gsm and cdma (umts) are two typs off mobilfunk standards.
but what is with the htc dt??
do there exists two typs??? one, that can do both and one which can do only cdma???
my htc td can gsm and cdma ( in germany). i'am normaly in gsm mode, to save batery, but sometimes i switch to cdma to do a videocall some times.
it is a htc touch diamond with vodafone branding.
is it a gsm htc td or a cdma htc td??
what hard spl must i take?
where can i get the orginal vodafone spl, because off warenty reasons.
the rom can i download at vodafone.de
MFG!
know anyone, when vodafone released the rom 2.0?? now i can only load 1.97

GSM = european version
CDMA = american version (different frequency radios)
DO NOT FLASH IF YOU DONT KNOW WHICH YOU ARE
THIS WILL BRICK YOU PHONE IF YOU FLASH THE WRONG SORT
rant over, apart from that, read up
gsm mode, to save batery, but sometimes i switch to cdma to do a videocall some times.
Click to expand...
Click to collapse
that makes no sense?
you mean you are usually in GSM mode, but you switch to 3G?

THANK YOU!!!!!!
yes i mean i switch to 3G for videocalls
so i can think if i had a normal touch diamond from vodafone in germany ( thats in europe!) i had the normal gsm mode.
where can i find the orginal spl wich is on vodafone handys?
this little text would be very helpful in some tutorials!
=================================
GSM = european version
CDMA = american version (different frequency radios)
=================================

chaos_taker said:
hi
i know gsm and cdma (umts) are two typs off mobilfunk standards.
but what is with the htc dt??
do there exists two typs??? one, that can do both and one which can do only cdma???
my htc td can gsm and cdma ( in germany). i'am normaly in gsm mode, to save batery, but sometimes i switch to cdma to do a videocall some times.
it is a htc touch diamond with vodafone branding.
is it a gsm htc td or a cdma htc td??
what hard spl must i take?
where can i get the orginal vodafone spl, because off warenty reasons.
the rom can i download at vodafone.de
MFG!
know anyone, when vodafone released the rom 2.0?? now i can only load 1.97
Click to expand...
Click to collapse
OK... a few things.
UMTS (universal mobile telecommunications system) = WCDMA (wideband code division multiple access)
Most networks that offered GSM upgraded there networks to support GPRS then EDGE then upgraded to the UMTS standard to then support HSDPA and HSUPA and beyond.
There is another technology used all over the world but has a significantly smaller user base and market share is CDMA. While the name CDMA and WCDMA are similar, the technology is not. Traditional CDMA networks cannot [cheaply] upgrade to WCDMA/UMTS networks.
In your case, mobilfunk; they went live in May 1994 with their GSM network and in August 2004 they went live with their UMTS network.
It is a fact that GSM mode will save you battery life. UMTS connections typically drain up to 20% more energy than GSM alone.
Getting back on topic, the HTC touch diamond was originally offered in Europe and Asia with triband GSM support and some (I can't recall the bands) 3G support. It was then brought to the USA and released with a slightly different band configuration to better suit the american market. As this american market is quite large, HTC then made a CDMA (not WCDMA) version to work on Verizon and Sprint. While the phones look exactly the same, their internal hardware is a little different. As a result, you may not flash many GSM-version diamond roms and hardspl etc because the chipsets are different. If you do flash them, you will have issues. This is why there are many many warnings telling CDMA users to bugger off or GSM users the same.
Your diamond is a device which supports GSM/WCDMA technologies. It will NOT work on a CDMA only network. IE: Come to Japan and you will roam on Softbank (formerly vodafone) or Docomo, whichever company your mobilfunk has a roaming agreement with. You will not, however, be able to roam on the AU by KDDI network.
The version of hard-spl is up to you. There is the unsigned and the signed. To complicate things further there are a few versions of the unsigned. For me, the 1.93.Olinex (unsigned) is the best. The benefit to the signed version is that you will only be able to flash the roms that have been proven to NOT BE harmful to your device.
If you have already flashed Hardspl, you will have to use the SEARCH feature of the forum to find that SPL or the search feature of the internets called GOOGLE.
If you have not flashed hardspl yet, then you may be able to dump (record your SPL to a file on your PC) your SPL so that you may write it later if necessary.
More about WCDMA here.
More about networks supporting UMTS and GSM found here.
Also a little info about the term 3G. 3G represents a generation of mobile data speed technologies (i guess). When WCDMA first went live (in Japan), it was known as 3G (~2001) supporting data up to 384kpbs. The next stage in the 3G evolution is called HSDPA (some people call it 3.5G). It will be fun when HSUPA and HSPA+ rear their sexy heads.

THANK YOU!!!!!!!!!!!!!!!!
you are my new hero!!!!!
many thanks to you for the large text. now i know what i want.
how can i record/save/copy my orginal vodafone spl??
could i flash a orginal htc rom 2.0 with my old spl ???
is there a different spl from vodafone to the other phones,like orginal, o2 , t-mobil???or have all the same???
thanks again to Kevbodian

i flash my gsm dimond with cdma dimond unloker . is there any way nto relife it again . it was hardspl with dimond hard spl . now it is no power. what to do.

Kevbodian said:
UMTS (universal mobile telecommunications system) = WCDMA (wideband code division multiple access)
Click to expand...
Click to collapse
i think the CDMA u mean for video call is WCDMA/UMTS/3G..
Addicteddddd said:
GSM = european version
CDMA = american version (different frequency radios)
Click to expand...
Click to collapse
GSM: standard technology for Europe second generation(2G)
GSM 900
* uplink: 890 – 915 MHz
* downlink : 935- 960 MHz
* duplex spacing: 45 MHz
* wide of RF canal : 200KHz
* modulation : GMSK
* multiple access : FDMA-TDMA (1 RF have 8 canal TDMA)
GSM 1800
* uplink : 1710 – 1785MHz
* downlink : 1805 – 1880 MHz
* Duplex spacing : 95 MHz
* wide of RF canal: 200KHz
* multiple access : FDMA-TDMA
CDMA: standard technology for America second generation (2G)
CDMA 800
* uplink : 824 – 849 MHz
* downlink : 869 – 894 MHz
* Wide of RF canal : 1.25 MHz
* chip rate : 1.228 Mcps
* multiple access : CDMA
CDMA 1900
* uplink : 1850 – 1910 MHz
* downlink : 1930 – 1990 MHz
@Kevbodian: Its complete man..great explanation...

Diamond is not working in usa !!!!!!!!!!! Help

The diamond with what ROM or Radio ever , shows the freaking US Nonstandard Standard of 850 and 1900 mhz for UMTS
But to use it for online purpose is impossible. It goes only to Edge what is closer to the speed of smokesigns .
The old touch cruise does well in the same areas with the same provider and the same settings .
Someone here who live also in the (Telephone development country) USA and figured out any solution ?
Thanks a lot
i do not have the international Version of the Diamond

sounds like you have the European (900+2100) diamond that does not have the us 3G (850+1900) bands. if this is the case you are stuck with EDGE.

it is true
but the radio or HTC ROM shows 850/1900 UMTS is this just another joke from HTC ?
Thanks

some roms show all the radio versions but are not usable because of hardware dependencies. my rom shows the china 1700 umts band but i know the hardware in my phone does not support it.
it's not htc but rather rom cookers leave all the available versions in windows so people from all parts of the globe can use their rom and see the bands for their country.

850 mhz Radio ?
did found this information quite old but HOPE.
"Sure, devoted ROM cooks were able to give the Euro-spec HTC Touch Diamond some 850Mhz frequency capability. And then HTC came out with their own ROM update that gave the HTC Touch Diamond EDGE-support on the 850Mhz band. But, without a dedicated 850/1900Mhz 3G radio under the hood, the HTC Touch Diamond just couldn’t crack the US market like we’d hoped."
SO is there a Radio, because the 850mhz is there and to get 3G seems a Radio Issue

WM 6.5 question

I read that i need a gsm version of diamond to run WM 6.5 , how do i know if i have a gsm version of diamond or not?

Did you buy it in Sweden?
most european and asian versions of HTC Diamond are GSM versions. If you bought it in Sweden and using a swedish telephone company (Telia, Telenor, 3, etc.) that you are absoulutely using a GSM version of the phone.

fraudulent said:
most european and asian versions of HTC Diamond are GSM versions. If you bought it in Sweden and using a swedish telephone company (Telia, Telenor, 3, etc.) that you are absoulutely using a GSM version of the phone.
Click to expand...
Click to collapse
Yes , i bought it in sweden . I figure that my phone was a gsm version because of the G and 3G symbol on my phone but it better to be safe than brick the phone Thanks for you answer .

CDMA devices don't have a SIM iirc.

"Rogers" diamond use in Asia(Hong Kong), no 3g signal

I have already do some research and i have read many posts in the forum.
I want to know if there any method to solve the problem now?
I have a HTC diamond which is "rogers" brand.
I use it in Honk Kong, all the things work perfectly, but i can not get the 3G signal
In the forum, i have gotten some information,
Rogers is 850/1900 MHz
Asia(Hong Kong) is in 900/1800 MHz
Is there any program to solve my problem?
Or it is the hardware problem, no software can solve it
Thank you for your help

Yes, you are right. Rogers Diamond will not work in HK 3G. HTC seems to have different version of their phone for US and the rest of the world.
So, no need to buy HTC phone in Asia or other country. It will not work in N.A.
Only a few old model will work in HK 3G and NA 3G such as
HTC TytnII
HTC Curise

leungda said:
Yes, you are right. Rogers Diamond will not work in HK 3G. HTC seems to have different version of their phone for US and the rest of the world.
So, no need to buy HTC phone in Asia or other country. It will not work in N.A.
Only a few old model will work in HK 3G and NA 3G such as
HTC TytnII
HTC Curise
Click to expand...
Click to collapse
He is right....and actually so are you, it is a hardware dilemma. Eventually they will make all phones truly a world phone in all aspects. Not half, half....