Since I was a dumb and bought a Tmo TP2 to use on ATT, I was wondering if I could buy the antenna from the ATT version and swap it into my phone. Though I doubt it is, I was curious if this is feasible?
Since both networks are UTMS, not CDMA, and thus use similar frequencies, why, therefore, would you want to disassemble your phone and mess with the antenna system, which should work perfectly well on both networks?
Frankly, it sounds to me like you have a different problem: Your phone is most likely locked to T-Mobile, meaning that it cannot use the AT&T system.
Your problem is therefore contractual, not technological, in nature.
I think the OP was actually asking if he could switch his radio, since the T-Mobile radio will not get 3G speeds on AT&T's network (discussed quite a bit here; do a search).
The answer is no. Although it may be technically possible, it would not be practical. Far easier to just sell your T-Mobile version and by an AT&T one.
Ok yea I guess its the radio. Thought it would be the antenna. Could you please explain the difference. I guess the antenna is solely reception and the radio is what interprets the signal? Is there a broken down pic where you can point out the radio.
I was hoping I could just get this http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=250525496122&ssPageName=ADME:X:RTQ:US:1123
Radio: The electronic hardware used to convert electromagnetic radiation signal (radio waves) into usable electrical impulses to decipher to either data (ones and zeros) or audio (speech, music, etc). May also use software systems to further enhance or aid the deciphering of the received signal.
Antenna: The hardware (often as simple as a long wire, sometimes as complex as an array of directional beam antennae) used to gather said electromagnetic radiation signal, and direct it to the radio electronics hardware.
Hope that helps
Thank you for your replies.
So Im guessing the radio is either expensive to buy or requires to replace the whole motherboard?
Related
Can anyone tell me if it is possible to change the HTC from a Euro phone to a North American phone by perhaps changing a chip or programming to support 850/1900 here in North America? I live in an area where 1900 is a bit spotty and I lose signal, especially inside buildings. I love my Uni, but I have too many people complaining that I'm not getting their calls and I don't get signal where other's do.
I'm afraid I don't have enough hardware experience to be qualified to even venture a guess. But shouldn't it be as easy as changing a chip or a crystal or something?
It's just a matter of both the range of the tower you're near, as well as possibly your PRL. The priority roaming list tells the phone who's service you're allowed to use. So if there's a tower within range, but not in the PRL, chances are your phone won't use it OR it will show up as roaming.
I know you can affect the 3G part of Android phones by changing the modem firmware when using Odin, and even them I'm not sure what change is made if truly any. I don't have 3g yet with my provider, which uses the 850/1900 as well, but I currently have a Euro firmware on my phone using XW Euro firmware. I'm not sure how it will affect my 3g until my provider enables it.
Other than that, I think it's a limitation of the radio chip in the phone. It may be a firmware/software setting, or it could be hard coded into the chip.. again I'm not sure
Have you seen the previous post date? lol.
Anyway thanks for your reply
Lol, true it's old, but if anyone has a solution I'd accept it. However, I've since moved on with 3 different phones including the PPC6800, the Omnia II and presently on the iPhone 4.
Thanks anyway,
TS
No it is not possible, it´s a hardware related stuff.
Timeshell said:
Lol, true it's old, but if anyone has a solution I'd accept it. However, I've since moved on with 3 different phones including the PPC6800, the Omnia II and presently on the iPhone 4.
Thanks anyway,
TS
Click to expand...
Click to collapse
you have to change the part which contains the Radio hardware
Alright. I love my Evo, but I hate my Sprint Coverage. My AT&T Contract isn't quite up yet, and I was thinking: What is stopping us from all being able to change providers to AT&T or T-Mobile? GSM vs CDMA. What is we copied an AT&T SIM card and put the data on the phone, and we told the phone to treat it as a SIM? We could then all switch to AT&T. Just throwing that out there. /discuss.
Sorry but I didn't get AT&T for a reason, their Crap!
While that is an interesting idea, it is impossible. The physical radios used in CDMA and GSM phones are different and cannot be interchanged without swapping entire circuit boards.
Peblairman said:
Alright. I love my Evo, but I hate my Sprint Coverage. My AT&T Contract isn't quite up yet, and I was thinking: What is stopping us from all being able to change providers to AT&T or T-Mobile? GSM vs CDMA. What is we copied an AT&T SIM card and put the data on the phone, and we told the phone to treat it as a SIM? We could then all switch to AT&T. Just throwing that out there. /discuss.
Click to expand...
Click to collapse
SIM card or not, there still needs to be an actual GSM radio chip on the board, the EVO does not have this and I've personally seen the circuit board 1000 times.
Short of getting your hands on an RF chip for AT&T, unsoldering the Qualcomm radio chip and somehow resoldering the AT&T chip (probably a nokia chip) onto the EVO board I don't see this happening, not even in a virtual way.
Hardware is still needed to transeive the proper frequency and TDMA/GSM waves for AT&T usage.
In short, you'd basically be building your own EVO for AT&T, and you'd need access to circuit boards and other things needed to build ont that board, and unless you work at Qualcomm and have access to GSM RF chips, I don't see that happening, nor would it be worth the time nor effort. Just buy yourself whatever version of the EVO decides to get built for AT&T if you want AT&T.
Furthoremore, AT&T could give 2 ish's what HTC builds for them, they only care about their precious iPhone, everything else might as well be built to either get them laid or make them sammiches because AT&T is not the least bit interested in Android. Look at their crap line up of Android phones? Pathetic to say the least.
Also modifying the transmitter of any FCC Type Accepted device is against the law. Get caught you are looking at fines, and a possible prison sentence. The FCC seems to have a hissy fit when comes to anything Cellphone related.
Hi, does anybody know if the Gratia and Aria covers are interchangeable?
My wife has an Aria and is happy with it. I was thinking of getting a Gratia, but swapping cases so that she can have a white one on her Aria.
Given the antenna is in the cover and the phones are for different markets I wondering if the antennae might be different? Does anyone know for sure if they are interchangeable?
Thanks
I'm not 100% positive the covers are interchangeable, but I think they are. However, they aren't both compatible with the same wireless networks. You can use them both, but the Gratia won't be 3G in the U.S. because it utilizes different frequencies. It will still get data, but it will be at EDGE speeds.
Yes I realise the phones are for different markets and operate at different frequencies but I'm wondering if that means the antennae are actually different.
I noticed Expansys USA has the Gratia cover listed under accessories for the Aria,
But then what they quote for the Gratia "Mfr Part #:" is 74H01655-11M, whereas HD-Mini is 74H01655-02M (nothing listed for Aria, but I think it is also 74H01655-02M)
I'm only really interested in data in the UK on both devices, as I prefer not to pay bucket loads to the phone company when roaming, but my wife wants a white phone!
There are countless innovations of technology nowadays. There’s a fast pace of technology development even on phones. Some finest innovations of phones today are aria phones from LG and cordless phones. People keep on inventing gadgets on how to make life easier.
Doesn't the antenna just collect the signal? Surely whether it will work on a particular frequency is determined by the radio hardware in the device?
I'm just thinking - an antenna is an antenna isn't it? Same way you can use a coat hanger to pick up FM or even TV transmissions, it's all just about capturing the radio waves right?
I could be miles off base here but I honestly would have thought that the antenna that's built in to the back cover would NOT be specific to a particular GSM frequency.
Would love to know for sure though.
woodbane said:
Doesn't the antenna just collect the signal? Surely whether it will work on a particular frequency is determined by the radio hardware in the device?
I'm just thinking - an antenna is an antenna isn't it? Same way you can use a coat hanger to pick up FM or even TV transmissions, it's all just about capturing the radio waves right?
Click to expand...
Click to collapse
AFAIK, right. If the contacts are in the same place the cover should work quite well.
woodbane said:
Doesn't the antenna just collect the signal? Surely whether it will work on a particular frequency is determined by the radio hardware in the device?
I'm just thinking - an antenna is an antenna isn't it? Same way you can use a coat hanger to pick up FM or even TV transmissions, it's all just about capturing the radio waves right?
I could be miles off base here but I honestly would have thought that the antenna that's built in to the back cover would NOT be specific to a particular GSM frequency.
Would love to know for sure though.
Click to expand...
Click to collapse
That's technically not true - GSM antennae are most certainly tuned for particular frequencies - if you look online, you'll see different ones with different specifications, like 850 thru 900, or 1800 or 1900. However, through some trickery, a single antenna can be tuned for more than one frequency at a time.
That being said, I have no idea what the antenna in the back of the Aria or Gratia are tuned for - it's possible they might be dual band specific to the carrier (ATT 850/1900 or Euro 900/2100) or it might be a universal one capable of picking up all 4 or more frequencies.
I'd say best bet is to get one of the other ones, try it out and see. And let us know - I'd considered getting a green one for use in the US...
johdaxx said:
That's technically not true - GSM antennae are most certainly tuned for particular frequencies - if you look online, you'll see different ones with different specifications, like 850 thru 900, or 1800 or 1900. However, through some trickery, a single antenna can be tuned for more than one frequency at a time.
That being said, I have no idea what the antenna in the back of the Aria or Gratia are tuned for - it's possible they might be dual band specific to the carrier (ATT 850/1900 or Euro 900/2100) or it might be a universal one capable of picking up all 4 or more frequencies.
I'd say best bet is to get one of the other ones, try it out and see. And let us know - I'd considered getting a green one for use in the US...
Click to expand...
Click to collapse
I hear what you are saying but I think people are confusing the antenna with the GSM radio built in to the phone.
Whether a phone utilizes 850/1900 or 1900/2100 bands would surely be a funtion of the radio in the phone that is hard coded to those frequencies.
Isn't an antenna just "fishing net' that actually gathers the signal?
Again, could be miles off base here, just applying my own brand of common sense.
woodbane said:
Doesn't the antenna just collect the signal? Surely whether it will work on a particular frequency is determined by the radio hardware in the device?
Click to expand...
Click to collapse
It really depends on how the antenna was designed. Resonant frequencies are generally a factor...so antenna length could matter. Polarization and radiation patterns are also taken into consideration.
That said, until one has both covers (or finds some internal design docs), it's hard to know if there is any difference.
woodbane said:
I hear what you are saying but I think people are confusing the antenna with the GSM radio built in to the phone.
Whether a phone utilizes 850/1900 or 1900/2100 bands would surely be a funtion of the radio in the phone that is hard coded to those frequencies.
Isn't an antenna just "fishing net' that actually gathers the signal?
Again, could be miles off base here, just applying my own brand of common sense.
Click to expand...
Click to collapse
Unfortunately, common sense doesn't really apply when it comes to signal theory.
I'm not an expert by any means, but from what I remember from a signals course I took a few years ago in college, johdaxx's and M1m3R's posts are both spot on.
johdaxx said:
That's technically not true - GSM antennae are most certainly tuned for particular frequencies
Click to expand...
Click to collapse
Both the Aria and the Gratia work for the 4 bands of GSM, so there's really no problem if such tunning was a factor to consider.
The quality of HTC Support on this was really quite shocking, e.g.
Thank you for contacting HTC regarding the swapping of Back cover. In short to your email. Yes buy [sic] swapping the back plate can have effect on the device's perfomance. Which is why we recommend original products. Mohammed - UK Ireland Support (Tech)
Click to expand...
Click to collapse
When challenged he came back with:
"It does not matter which cover goes on because the real difference is the internal components."
Click to expand...
Click to collapse
Then...
"I can confirm that the back cover is just a bit of plastic. If the connectors will allow you to plug the new back cover in then it will work." Jason [UK - Ireland Support (Tech)
Click to expand...
Click to collapse
When I pointed out there were some metal contacts...
"Those connectors are there so that the phone knows that the back cover is on the phone. It has nothing to do with the signal as the antennas are up the top of the phone. "
Click to expand...
Click to collapse
I pointed out HTC's own support website says: "the antenna for the HTC Aria ™ is located in the battery cover."
"There is nothing more we can do, as we will be going in circles regarding this matter." Mohammed (again)
Click to expand...
Click to collapse
kc1 said:
The quality of HTC Support on this was really quite shocking, e.g.
Click to expand...
Click to collapse
idk man, for me that's the typical quality. I dont expect any help from any large company. For example ask any carrier's seller about batteries, they all gonna say you should fully discharge it before charging, like the old batteries. They know nothing.
But, again, both phones uses the same gsm radio freq. The only real change in hardware is the umts radio freq and I'm pretty sure the covers doesnt change cause of that. Hell, every GSM phone has a different antenna solution and they all work with the same quad band freqs
OK Back to to casing now where can u buy a white back for the HTC Aria and know that it'll work, I would love to have a white back on my Aria...
I would love to get a fluorescent green one.....
I recently purchased a t7373 with dual cameras only to find out it doesn't work here in the usa. I need an AT&T Tilt 2 motherboard with the Antenna Module for this to work. Does anyone know of or have these items. I would really appreciate this.
If it isn't a US phone, it is probably broadcasting on different frequencies than we use here in the States. Some of the frequencies overlap, but you won't get great coverage and you won't get the full coverage map for your carrier.
Not much you can do about it either. You'd have to physically replace the antenna. Not sure that's even possible, but if it is it will require some serious precision soldering.
Otherwise, you'll just have to replace the whole phone. It'll cost you more to try to replace the mobo than just replacing the phone.
Recently I broke the display to my personal Samsung Galaxy S4. My work issued me a work phone which was a verizon Samsung Galaxy S4. I am fairly handy with repairs.
That should be enough preface information. After I switched the screens and reassembled the devices, I've noticed some less than optimal network speeds and connection times. A lot of issues I've never experienced, or have only experienced with very unstable ROMs. This leads me to believe there are hardware differences in the radios that are located in the display portion of the device. I still have data connectivity on Wi-Fi, Bluetooth, and normal cell coverage (EDGE, 3G, H+, 4G, 4GLTE).
Does anyone here have the expertise to confirm or allay my suspicions that the hardware swap from another manufacturer is causing these issues? If that is the case, do I need to flash a radio fix for a Verizon phone, or would I need a fix essentially custom made for my device? Any opinions are welcome, even if it's just to call me a dumbass for swapping different manufacturer's displays. I would almost agree with you.
TL;DR I swapped a broken T-Mobile display for a working Verizon one on my Galaxy S4, and now I have weird connectivity issues. Thoughts?
You Dumbass!
Lol. :sly:
All kidding aside, the Verizon antenna may have a frequency rating that the t-mobile modem isn't going to recognize.
A Verizon modem sounds like the way to go but it would have to be customized by a super developer.
??? Now that's uncharted territory.
Good luck.
Pp.