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t-mobile phone in taiwan

by ruysnr / January 23, 2009 9:10 PM PST

I am new to t-mobile and their cell phone system.

I just got one prepaid phone from them, and i am wondering if i can use it in Taiwan. Do they use the same phone system?


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Yes- however, see link inside
by Pepe7 / January 24, 2009 10:35 AM PST

You'll be able to use an *unlocked* pre-paid T-Mo phone if it also has the 1800MHz band. FWIW, here in the U.S. the 850/1900 bands are used, but T-Mobile started using 1700 for 3G (while Taiwan uses 2100 for UMTS). Which model do you have btw? Here's a link to Gsmarena with service charts by country-


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moto razr
by ruysnr / January 24, 2009 10:50 AM PST

Hi thx you for your reply.
I look at the website you gave but I still don't know that they mean.

I have moto razr V3. on t-mobile website it said razr has frequency of (850/900/1800/1900 MHz). I guess it can be used in taiwan??
any confirmation?

Thanks again

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Yes, however...
by Pepe7 / January 25, 2009 1:07 AM PST
In reply to: moto razr

Take another look at the graph. Under 1800 they say 'yes'. This means you are good to go from a hardware standpoint. Your phone does have the required 1800 frequency band according to what you posted below. But is your phone unlocked? In order for it to be used with another carrier (in this case, one in Taiwan) it has to be unlocked in order for you to be able to use a foreign pre-paid SIM card. Most subsidized phones sold in the U.S. are locked to the various carriers. Unless you've had it unlocked it may be still restricted to T-Mo.

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