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International Version phones...what does that mean? Looking at https://nu.federati.net/url/10231
- Hallå Kitteh repeated this.
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@musicman It's about what frequency bands are supported. If you buy a US-market phone it probably won't have all the Chinese frequencies, and then there's the Japanese market, the EU market ...
What an "International" phone supports is anybody's guess. Back in the day, a GSM phone only had to be tri-band to support all the markets, but these days there are so many bands, and permutations of those bands running whatever network standard. LTE on 850 MHz? LTE-TDD on 2100 MHz? WCDMA on 900 MHz? EDGE on 900 MHz?
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@musicman Ah yes, for the US market, that's what that compatibility table is for.
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yeah, I remember my first cell phone in 2001 worked "everywhere." I think Ting supports all the networks...not sure how the SIM card figures it out though.
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@musicman @clacke I bought my daughter-in-law a phone that supports both GSM and CDMA sim cards and all (?) North American frequency bands.
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@musicman The SIM card is not directly involved in the frequencies stuff. It has an identity and a home network. I guess Ting is a "foreign" network operator that has a roaming deal with all the local network operators.
So your phone needs to support the combinations of radio protocol and band that the physical network uses, and the SIM card needs to support making calls through an operator that is available on one of those networks.