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Old 04-13-2009, 01:37 AM   #1 (permalink)
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Default Help how to use unlocked sprint 8830 with at&t sim card

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i bought an unlocked spint 8830, but after inserted at&t sim card, it can not work. how do i activeted it?
thanks
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Old 04-13-2009, 01:41 AM   #2 (permalink)
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You need a Data Plan
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Old 04-13-2009, 02:03 AM   #3 (permalink)
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thank u, but i can use my sim card in other phone. why not in a unlocked blackberry.
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Old 04-13-2009, 04:59 AM   #4 (permalink)
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Trent14 - STOP NOW. Get you hands away from the keyboard.

Shycl - the 8830 doesn't work on AT&T or any other GSM carrier in the US. THe 8830 only works on networks outside of North America.

The 8830 "World Edition" uses CDMA (Verizon/Sprint) in North America and GSM outsde of North America. There are four GSM bands; two for North America (850 & 1900) and two for the world (900 & 1800). The 8830 can't use the 850 & 1900 frequencies.

I advise you to sell the 8830 and get device that will work on GSM in North America.
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Old 04-13-2009, 09:14 AM   #5 (permalink)
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Yup. Always check the specs and make sure that your carrier's frequencies are supported. Full specs are always available at Blackberry.com for current models.
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Old 04-13-2009, 11:38 AM   #6 (permalink)
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Thumbs up Right! thanks

thank NJBlackBerry and takeshi very much! I think your opions is absolutly right! I was simply taken in. But i will go China next month, i can use it in asia.
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Old 04-14-2009, 04:10 AM   #7 (permalink)
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I live abroad and recently unlocked a verizon blackberry 8830. I put a foreign SIM card in but I can't make or receive calls. Does anyone know what I should do? Thanks.
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Old 04-15-2009, 02:08 PM   #8 (permalink)
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Quote:
Originally Posted by xxBBMxx View Post
I live abroad and recently unlocked a verizon blackberry 8830. I put a foreign SIM card in but I can't make or receive calls. Does anyone know what I should do? Thanks.
Where are you located? What carrier provided the foreign SIM?
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Old 04-16-2009, 05:12 PM   #9 (permalink)
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Where are you located? What carrier provided the foreign SIM?
I'm in Israel, using cellcom.
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Old 04-16-2009, 06:06 PM   #10 (permalink)
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I see that CDMA technology is used in Israel along with GSM. Have you tried under the Manage Connections settings to explicitly select the Cellcom (presumably) GSM network? I'm guessing that the radio is seeing some CDMA radio and assumes that it should lock onto those signals.
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Old 04-16-2009, 06:31 PM   #11 (permalink)
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Quote:
Originally Posted by djm2 View Post
I see that CDMA technology is used in Israel along with GSM. Have you tried under the Manage Connections settings to explicitly select the Cellcom (presumably) GSM network? I'm guessing that the radio is seeing some CDMA radio and assumes that it should lock onto those signals.
Wow, that's all the problem was. Thank you so much!
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Old 04-17-2009, 04:29 AM   #12 (permalink)
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Originally Posted by xxBBMxx View Post
Wow, that's all the problem was. Thank you so much!
I have a new problem. When I try to call a contact from my phone book, the phone adds a +1 to the number I am dialing and the call can't go through. However when I manually type out the number I am able to call out. How can I fix this?
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Old 04-17-2009, 07:08 AM   #13 (permalink)
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Go into the Phone Dialer; hit the menu key and select Options, and then "Smart Dialing". Change the Country Code. A very common problem. Been posted and answered here many times.
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