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Old 12-03-2007, 05:43 AM   #1 (permalink)
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Default 8830 how to use it outside US?

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I just recieved BlackBerry 8830 which is locked to sprint, is there any way to use it with other RUIM cards or other SIM cards? and how to make it work with RUIM support or without RUIM support.?


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Old 12-03-2007, 05:47 AM   #2 (permalink)
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I have no idea what RUIM is... but I can tell you that the GSM side of the Sprint 8830 is NOT locked.
You can use other compatible GSM SIM cards in the 8830 overseas.

You cannot use other SIM cards within the United States. (You can't use GSM at all on the 8830 within the US.)
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Old 12-03-2007, 06:20 AM   #3 (permalink)
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for reply, in this case how can I use the CDMA in other countries with RUIM supported? or even is there any instruction for NAM programming for this model?
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Old 12-03-2007, 08:26 AM   #4 (permalink)
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What is RUIM? You can use the SIM provided by Sprint or use a pre-paid SIM from a carrier in the country you are traveling in. There isn't NAM programming.
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Old 12-03-2007, 09:41 PM   #5 (permalink)
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Quote:
Originally Posted by southwestcomm View Post
What is RUIM? You can use the SIM provided by Sprint or use a pre-paid SIM from a carrier in the country you are traveling in. There isn't NAM programming.


A RUIM is basically a GSM sim card but for CDMA phones, if I recall correctly a RUIM card can work on a GSM phone but a GSM card can not work on a RUIM phone.. So it might be possible to use the RUIM card on the sprint phone outside the USA as long as its acting as basically a GSM card.. But you would only need or use a RUIM in a few countries that have CDMA networks.

But dont quote me on that.. My guess is the RUIM card in theory should work but like I said will only connect to GSM networks.

On a side note we usually call a RUIM card a CSIM (CDMA sim), we have somewhat of a movement to make US CDMA carriers allow for this so you could basically do what GSM users do with sim cards. With Verizon opening the phones up this might happen in the future.

Last edited by AndrewAZ : 12-03-2007 at 09:43 PM.
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Old 12-04-2007, 03:09 PM   #6 (permalink)
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I have a blackberry 8830 from sprint. If you want to use it international you first must activate it for international service. This phone is only locked to sprint usa. sprint just recently lost a lawsuit now being required to unlock phone if requested by customer. It was in the USA TODAY about 2 month ago.

As far as international goes you can take the sim card out and put another in. Read manual. When you get over to your international dest. you go to mobile connenctions and switch it over to gsm unless you have the automatic function as default. It will pick carrier of choice. For example United Kingdom selects O2. You can change this is you select manual and then you can pick your own carrier of choice. You can still recieve text messages over there but cannot send them back to the US. You may also want to turn off data to avaoid data trasfering back and forth which is .17/kb
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Old 12-04-2007, 10:22 PM   #7 (permalink)
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The lawsuit you refer to had nothing to do with the 8830. It had to do with CDMA devices as a whole. The Sprint 8830 has had an unlocked SIM since it was released.
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Old 12-05-2007, 09:59 PM   #8 (permalink)
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