i'm on cingular using my unbranded xda exec and the reception is freakin terrible.. is there a way to enable 850 Mhz support on the phone? i already have upgraded ROM and a 64k Sim but no luck. Please help, i don't want to switch carriers.
extremely sad but extremely true....no 850 on the Universal...grab a TyTN
i don't like the tytn's looks... but the feature set is ok. mebbe i should switch carriers.
Hi!Can i use an unlocked hermes,(apart from the tytn),in any country round the world?Anybody tried doing so??Thanks!
No mobile works in every country around the world.
I think that answer is a bit terse. A quad-band phone like the Hermes can be used in virtually any country. Take a look here, and you'll see that with the 850, 900, 1800 & 1900 MHz bands covered there's not many countries you can't get a signal in.
http://www.coveragemaps.com/gsmposter_freqbands.htm
I'm not familiar with Japanese requirements, but while it stands out as having a different set of requirements, I'm reasonably sure the Hermes works there too.
Testing it out in every single country could be a bit of a large proposition though.
totallytechie said:
I think that answer is a bit terse. A quad-band phone like the Hermes can be used in virtually any country. Take a look here, and you'll see that with the 850, 900, 1800 & 1900 MHz bands covered there's not many countries you can't get a signal in.
http://www.coveragemaps.com/gsmposter_freqbands.htm
I'm not familiar with Japanese requirements, but while it stands out as having a different set of requirements, I'm reasonably sure the Hermes works there too.
Testing it out in every single country could be a bit of a large proposition though.
Click to expand...
Click to collapse
So add the countries with 850/1900/2100 UMTS to the GSM list, and you'll have a comprehensive list... and yes, Japan uses 2100 UMTS, so you can add that one, too.
That just leaves the wierd 1700 spectrum .. wonder if any country is running that ..
gravejoker said:
That just leaves the wierd 1700 spectrum .. wonder if any country is running that ..
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Not yet and probably not for a few years...
So in short,if i unlock the device,i may be able to use its phone capabilities on any carrier in the whole world,provided the carrier uses one of the 4 bands for communicating.The carrier may be anyone apart from the tmobile,o2,orange,cingular,vodafone?!
Yes ... you can use an unlocked TyTN on any carrier in the world that has one of the 7 bands that TyTN supports (4 GSM + 3 UMTS) ..
Ok thanks...the reason behind that question is that i'm going to Mauritius(a lost island situated in the indian ocean, beside reunion island) for a few weeks..And i wanted to be sure that my unlocked m3100 would work perfectly there...Anyway, thanks for ypur kind support..
Ahha .. Mauritius .. You are lucky my friend .. what a beautiful place from what I have heard .. enjoy your trip ..
Thanks,mauritius,the paradise on earth,here i come!
Thanks,mauritius,the paradise on earth,here i come!
gravejoker said:
That just leaves the wierd 1700 spectrum .. wonder if any country is running that ..
Click to expand...
Click to collapse
goestoeleven said:
Not yet and probably not for a few years...
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Update: At the end of Nov 2006 T-Mobile won FCC auctions in 120 US markets for spectrum licenses in the 2100 and 1700 frequency bands. It is reported they will start rolling out service during 2007 (Sources: T-Mobile US Press Releases and Wikipedia). So the answer now appears to be, yes, the 1700 spectrum will be used extensively by T-Mobile USA.
I am not personally aware of any HTC phones which support 1700 yet. I am no engineer, but my assumption is that this could not be done through software upgrades on any existing devices. I imagine it will require different radio hardware. Clarification from the experts on this forum would be much appreciated.
Just a note of caution I've tried to use an unlocked VPA compact III in Barbados on the Bmobile network, but I can't geta signal. If I use a vodafone card I manage to get a signal, so I'm not sure all carriers support this phone.
flamingcrumb said:
I am not personally aware of any HTC phones which support 1700 yet. I am no engineer, but my assumption is that this could not be done through software upgrades on any existing devices. I imagine it will require different radio hardware. Clarification from the experts on this forum would be much appreciated.
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Click to collapse
Yes, a software upgrade cannot physically synthesize circuitry to support the 1700Mhz frequency channel.
Looking at the hermes architecture, their LNA's have just enough frequency coverage to support the 7 bands. So the answer is a concrete no in re: 1700MHz.
It is possible to deisgn an LNA with a larger bandwidth, for example, to cover frequencies from 1500MHZ to 2300MHZ configurable via MEMS capacitors and inductors (I have a PhD student working on this atm, but he is facing the problem of keeping up the gain as well as linearity of the amplifier). Motivation for this: the fewer LNA's the less power a device will consuming yielding greater battery life.
HTC maybe should think about hardware re-configurability as well, but then again, they would like to make their devices obselete ASAP.
NO, you cannot use it worldwide
I could not receive a signal in Brazil with my 8525. Others reported the same problem with the Samsung Blackjack. Cingular has not provided a solution to our problem.
I hope the band select hack that I found on this great XDA forum will let me use my unlocked 8525 in Brazil next time I go in March.
Australia, if I recall, was also a problem for a Blackjack user. See the Blackjack thread on the Cingular forum for details on our tribulations.
Rgds
Ben
I have used my TyTN in the USA, Japan, Taiwan, Thailand, Cambodia, Singapore, Philippines and Hong Kong all with no problems. All locations outside the USA were with pre-paid local SIM cards (except Japan and Taiwan, which were roaming on Cingular).
Are the people having problems using a Cingular SIM (and roaming), or using a local pre-paid card?
I got full coverage in the Geylang District in Singapore. full bars.
Am I right to understand that an 8525 purchased from Cingular is locked to Cingular and in order to use in another country it would need to be unlocked prior to inserting another sim card? Would I simply ask Cingular to provide the unlock code for such use?
I'm having a Problem using a local pre-paid SIM card in Barbados, if I Roam on Vodafone which is my original carrier then it's no problem at all
Hi, can I change touch dual the GSM from Tri-band to Quad-band,
for the better reception in USA.
I know the touch can do that, Thank
Now that its going to be available in the US with quad band, does it mean tri band niki can be changed to quad band?
shupacanucks said:
Now that its going to be available in the US with quad band, does it mean tri band niki can be changed to quad band?
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I would like to know this too
It could be possible, but the RF chipset could be totally different on the two models.
There wouldn't be much of a reason for HTC to restrict the current tri band duals with the way the various operators have deals with other overseas operators.
clonmult said:
It could be possible, but the RF chipset could be totally different on the two models.
There wouldn't be much of a reason for HTC to restrict the current tri band duals with the way the various operators have deals with other overseas operators.
Click to expand...
Click to collapse
You would think they would have designed, developed the radio chip long ago, and the new edition would only contain software changes to the OS, and Hardware soft updates
--bump--
I too would like to know if this is possible. The best buy website has a touch dual listed with 850. I called their customer support and they couldn't give me any information on release date or even a model number. Will the US version of the dual have 850? I want to know if I can get this $500 phone to work here (area code 318 with ATT) on just the 1900 band or do I need the 850 band for better reception. Any advice would be helpful. Thanks in advance.
b
Any luck? I would like to upgrade to the quad band
theres only one version of the dual that is quad band and that is the US version being sold by BEST BUY.
Thanks for the reply I figured I was out of luck, so I ordered the us version yesterday.
Bought the triband Dual but, soon figured out that it doesnt work well in the states.
I thought I would give it a go.
Thanks
Was working on 850MHZ than....
My HTC touch was working on 850 MHZ than I had a tech at my provider's, setting up my internet.
Since that moment it does not work anymore:
Getting the signal but not able to make calls or receive calls.
The guy tried to fix it. It worked for a couple of calls and than stopped working.
Back to the tech, he told me it s because of the 850mhz on which they operate.
He said that even if it was working fine, it wasn't meant for their network (850 MHZ).
Should I believe him?
(the phone works fine with 1900MHZ band from another company)
How can I fix this?
wish there was a radio upgrade like the latest for the diamond that enabled the 850 band
can rogers g1 change the UMTS dual-band (850/1900 MHZ) to band (2100 MHZ) ?
my phone is rogers g1。
But our 3g band is 2100 MHZ.
I found a hidden setting can change the gsm/UMTS band。
when u dial *#*#4636#*#* >choose 1 >menu> radio band
there is Europe band/USA band/japan band /Australia band
I try all band but it does‘t work。
I can't use 3g。
Is anyone can help？
A software setting can NOT change the physical hardware on the device.
thx...is there another way ....?
Sure. Get out your soldering iron.
If I need to give you more details than this, then you aren't qualified -- sorry.
The easiest thing for you would be to find someone to trade phones with. You should probably focus on people using tmobile branded devices on ATT in the US. Your phone is compatible with ATT's 3G band, the tmobile branded device is what you're looking for and is NOT compatible with ATT's 3G band -- EDGE only there.
thx again ！
I want to see more details。。Would u tell me please?
I can use the electric iron or find someone who can repair the BGA.
Trust me when I say this:
If you need more details, then you REALLY DON'T want to be doing it!
Thank you for your kind advice but I really want to know。。。
trade
anyone willing to trade a t-mobile g1 for a black htc dream rogers branded?