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Old 01-12-2010, 11:08 AM   #1 (permalink)
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I just purchased 10 blackberry 9700's for our Panama office from unlocked t-Mobile and they are not working because:

1: the t-mobile 3g band is set to 1,4,8 and I need 3g band 1,2,5,6. I have read some threads saying its hardware, but thats not true because I also have some rogers and At&T 9700 with both 1,4,8 and 1,2,5,6. I know its software controlled.

Does anyone know how I can change this to be able to use these phones with 3g???

Thanks,
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Old 01-12-2010, 11:13 AM   #2 (permalink)
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Hoo boy. Here we go again.
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Old 01-12-2010, 11:29 AM   #3 (permalink)
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You should read this thread:

Getting Tmobile 3G on unlocked Rogers BB 9700

This topic has been covered in depth. The short answer is, you can't.
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Old 01-12-2010, 11:34 AM   #4 (permalink)
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Wirelessly posted (White and Nerdy)

Thread closed?
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Old 01-12-2010, 11:47 AM   #5 (permalink)
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Wow.
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Old 01-12-2010, 11:54 AM   #6 (permalink)
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I have read all the threads. You can not determine the frequency when you buy these blackberries. Its not a t-mobile nor AT&T not rogers issue. I just purchased 20 more blackberrys mixed and 5 of the 10 AT&T blackberrys have 1,4,8 and the rest are 1,2,5,6. 5 rogers of which 4 are 1,2,5,6 and one came with 1,4,8 and all t-mobiles (5) came with 1.4.8. So its not that I can return these phones and the boxes do not say the actual bands. There must be a solution for this
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Old 01-12-2010, 11:58 AM   #7 (permalink)
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When you find it, because obviously no one here, OR ANYWHERE ELSE, knows how to change it, please let us know.
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Old 01-12-2010, 12:07 PM   #8 (permalink)
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Quote:
I have read some threads saying its hardware, but thats not true because I also have some rogers and At&T 9700 with both 1,4,8 and 1,2,5,6. I know its software controlled.
Now this is some funny logic. I love it.

I'd also like to see this magical AT&T phone with non-AT&T 3G bands. What's the Vendor ID for both of the AT&T phones (one from each band set)?
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Old 01-12-2010, 12:35 PM   #9 (permalink)
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Quote:
Originally Posted by hdel1531 View Post
I have read all the threads. You can not determine the frequency when you buy these blackberries. Its not a t-mobile nor AT&T not rogers issue. I just purchased 20 more blackberrys mixed and 5 of the 10 AT&T blackberrys have 1,4,8 and the rest are 1,2,5,6. 5 rogers of which 4 are 1,2,5,6 and one came with 1,4,8 and all t-mobiles (5) came with 1.4.8. So its not that I can return these phones and the boxes do not say the actual bands. There must be a solution for this
I think you must be mistaken, or someone has changed the faceplate on some of the devices you purchased. AT&T does not operate on 3G bands 4 and 8, so you have to understand the skepticism of the users here.
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Old 01-12-2010, 01:12 PM   #10 (permalink)
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Old 01-12-2010, 03:28 PM   #11 (permalink)
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* Fonejunkie runs and hides under a very solid table *
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Old 01-13-2010, 08:58 AM   #12 (permalink)
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Can someone point me somewhere to tell me what band is what? i.e. what do bands 1-8 translate to in terms of frequencies? Thanks.
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Old 01-13-2010, 09:01 AM   #13 (permalink)
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Quote:
Originally Posted by Globetrotterdoug View Post
Can someone point me somewhere to tell me what band is what? i.e. what do bands 1-8 translate to in terms of frequencies? Thanks.
UMTS frequency bands - Wikipedia, the free encyclopedia

check that out
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Old 01-13-2010, 09:09 AM   #14 (permalink)
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You either need to return them for a refund or hand out for paperweights and doorstops.
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Old 01-13-2010, 05:59 PM   #15 (permalink)
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Ok so I have a question and maybe it's stupid but some of this radio freq stuff goes right over my head and after reading all the "Bands" threads here I am curious.

TMobile states that they operate 3G on 1700/2100 as far as I can tell all devices from both tmobile and att/rogers work on the 2100 band. Also as far as I can tell all the devices operate in other countries on the 2100 band so why could a Rogers/Att device not operate on tmobiles 2100 band? I understand that a tmobile device could not operate on a rogers/att network because there is no 1700 or 2100 band, but don't understand why the reverse could not work. Obviously I am missing something and am curious as to what it is.

Thanks
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Old 01-13-2010, 08:40 PM   #16 (permalink)
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Quote:
Originally Posted by Raptor464 View Post
Quote:
Originally Posted by jpom View Post
TMobile states that they operate 3G on 1700/2100 as far as I can tell all devices from both tmobile and att/rogers work on the 2100 band. Also as far as I can tell all the devices operate in other countries on the 2100 band so why could a Rogers/Att device not operate on tmobiles 2100 band? I understand that a tmobile device could not operate on a rogers/att network because there is no 1700 or 2100 band, but don't understand why the reverse could not work. Obviously I am missing something and am curious as to what it is.

Thanks
Read the Wikipedia article. Short answer, names like "1700" and "2100" are general names for frequency bands. The actual frequencies used are different.
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Old 01-13-2010, 09:25 PM   #17 (permalink)
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Quote:
Originally Posted by hdel1531 View Post
I just purchased 10 blackberry 9700's for our Panama office from unlocked t-Mobile and they are not working because:

1: the t-mobile 3g band is set to 1,4,8 and I need 3g band 1,2,5,6. I have read some threads saying its hardware, but thats not true because I also have some rogers and At&T 9700 with both 1,4,8 and 1,2,5,6. I know its software controlled.

Does anyone know how I can change this to be able to use these phones with 3g???

Thanks,
search about umts band in wikipedia.
UMTS frequency bands - Wikipedia, the free encyclopedia

3g band in onyx is fixed cannot change by software.
but you can choose either you want to use 3G only, 2G only or 3G&2G using e screen.

you cannot change 3G band on t-mo bb to 1,2,5,6.
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Old 02-21-2010, 11:23 PM   #18 (permalink)
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Default tmobile 3g movistar Panama...

Quote:
Originally Posted by hdel1531 View Post
I just purchased 10 blackberry 9700's for our Panama office from unlocked t-Mobile and they are not working because:

1: the t-mobile 3g band is set to 1,4,8 and I need 3g band 1,2,5,6. I have read some threads saying its hardware, but thats not true because I also have some rogers and At&T 9700 with both 1,4,8 and 1,2,5,6. I know its software controlled.

Does anyone know how I can change this to be able to use these phones with 3g???

Thanks,
Hello, I have the same problem, its soo frustrating. I am talking with some guys inside tech support from movistar. Did you find something to solve the problem?
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Old 02-21-2010, 11:31 PM   #19 (permalink)
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how much more validation do people need on this subject? am i missing something else?
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Old 02-22-2010, 05:50 AM   #20 (permalink)
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You're not missing anything.
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