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pkang0202
Joined: 09 Mar 2007
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 Posted: Tue Nov 17, 2009 6:43 am Post subject: MODS PLEASE STICKY "KOREAN USIM CARDS ARE NOT SIM CARDS |
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They are not sim cards. They are USIM cards.
No, you can't just take the USIM card from one phone to another and have it work.
No, you can't just get a phone unlocked and use your home Sim card in a Korean phone.
No, Korea does not have a GSM network that you can use on a contract.
Yes, Korea has a ROAMING GSM NETWORK. ROAMING. Expensive ROAMING GSM NETWORK.
No your unlocked Korean phone will NOT work in your home country simply by sticking your SIM card in it. |
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Mr. Pink
Joined: 21 Oct 2003
Location: China
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| Posted: Tue Nov 17, 2009 2:23 pm Post subject: |
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| Actually, yes a lot of them will work in your home country. Myself and a lot of Koreans I know in China use KTF phones with China's SIM cards on their GSM network. My phone the Heptic 2 needs a little modification to go with the SIM card, but it still works. Other phones can be software modified to work. |
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Triban
Joined: 14 Jul 2009
Location: Suwon Station
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| Posted: Tue Nov 17, 2009 3:35 pm Post subject: |
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| pwned. |
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pkang0202
Joined: 09 Mar 2007
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| Posted: Tue Nov 17, 2009 5:06 pm Post subject: |
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basically there are 2 ways to go about making a Korean cell phone work outside Korea, although the means may interchange depending on the model AND intended country of use :
1.underground SIM cards called �Magic SIM� or �Turbo SIM� fools your cell phone into thinking this is a device usable in your country . it is also called �Double SIM Cards� it is very very thin and attaches like a sandwich together with your original SIM card, then inserted together into your cell phone . these are sold mostly on the Internet from Eastern Europe or China .
2.a cell phone may be �hacked� for use outside Korea . procedure is by altering the software contained in the cell phone . this is usually done by Korean cell phone stores in an area where there is a large Korean population abroad, such as �Korea Town�.
and you guessed it : the above procedures are NOT limited for use of Korean cell phones abroad but can be implicated to virtually any country�s cell phone to be used in many other countries . also effecting both above is that such hacking takes time, so may be used on cell phones 3 ~ 6 months since first date of sale . for example the Boys Over Flowers Phone �Haptic Pop� SCH-W750, which started selling in South Korea March 2009, can now be used abroad in limited countries by software tweaking as of June 2009 . |
As far as I know, you can't do that in Korea.
Also, flashing the firmware on a cell phone isn't something the average Joe can get done at the cell phone store down the street. For 99% of the people who ask questions about cell phone compatibility and using SIM cards in Korea, my OP is accurate.
So, I stand by my OP. No, you can't just get a phone unlocked and use your home Sim card in a Korean phone. You can't use an AT&T SIM in a Korean phone. You can't use a T-Mobile SIM card in a Korean phone. etc...etc... |
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