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hoopitup3
 Posts: 1 |
 Thu Sep 27, 2007 8:46 pm |
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I just bought an unlocked Blackberry 7730 off ebay. When I popped my SIM card into it, it said no network available. I contacted the people from ebay and they said it was unlocked. The phone was T-Mobile was unlocked for anything (I have Cingular). What's wrong?
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 elmo01
 Posts: 2122
Phone Model: Samsung A660
Service Provider: Aliant |
 Sat Sep 29, 2007 6:47 am |
| hoopitup3 wrote: | | I just bought an unlocked Blackberry 7730 off ebay. When I popped my SIM card into it, it said no network available. I contacted the people from ebay and they said it was unlocked. The phone was T-Mobile was unlocked for anything (I have Cingular). What's wrong? |
from ATT you need a BB data plan and the data settings for that device
where ATT does not sell that device your basically on your own except for the plan and data settings. this is a good site to start on.
http://na.blackberry.com/eng/support/
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 steva11
 Posts: 1683
Phone Model: w810i/pearl
Service Provider: Rogers |
 Sat Sep 29, 2007 1:20 pm |
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your phone doesn't have an 850mhz band. if you're not in an area with 1900mhz, you won't get service. in this situation settings wouldn't really matter.
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 elmo01
 Posts: 2122
Phone Model: Samsung A660
Service Provider: Aliant |
 Sun Sep 30, 2007 9:28 am |
| steva11 wrote: | | your phone doesn't have an 850mhz band. if you're not in an area with 1900mhz, you won't get service. in this situation settings wouldn't really matter. |
the 7730 is a triband
Network Tri-Band: 850/1800/1900 MHz GSM/GPRS networks
there is no 900 band
http://na.blackberry.com/eng/devices/archived/7730.jsp#tab_tab_specs
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 steva11
 Posts: 1683
Phone Model: w810i/pearl
Service Provider: Rogers |
 Mon Oct 01, 2007 8:48 am |
interesting. for the 7730/7780 in phonescoop it shows this
| Quote: | GSM 850 / GSM 1800 / GSM 1900
7730 has GSM 900 instead of GSM 850 |
it should still find a voice network though. the bb data plans/settings would only affect the phone data.
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