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WCDMA v. HDSPA v. UMTS -
27-01-2008, 15:09
I know a WCDMA 2100 phone is needed to work in Japan. I read on a couple web sites that HDSPA is an advanced version of WCDMA and is backwards compatible with WCDMA.
My question is: Is a HDSPA 2100 phone usable in Japan?
Am I correct in stating that all WCDMA phones are UMTS but not all UMTS phones are WCDMA?
Thanks for any light someone can shed on this.
...mike
Make use of T-M's UMA/wifi free calling from any place in the world with access to wifi. I use an LG G6, wife an S7)
A/o Oct 20, 2013 no need for intl prepaid as T-Mobile U.S. includes voice roaming at 20ยข/min (in and out)., unlimited text (in and out), and unlimited data in 140+ countries.
My Plan -[6 lines] U.S. T-Mobile unlimited minutes (incoming and outgoing), unlimited text, fast data on each line. that $145/mo. total! . (In U.S. no surcharge for calling a cell.) If a line exceeds 2G of data in a month, pay $10 more for that line. [That only happens a couple times/year.
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