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Apr 12, 2001
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With the LTE-enabled Apple Watch Series 3 only available in a handful of countries at the current time, it might be tempting to purchase one in another country, but it won't work. Series 3 models appear to be limited to connectivity in their original country of purchase.

An Apple support representative who spoke to MacRumors reader Thomas said that an Apple Watch purchased in the U.S. online store will only work with the four carriers in the United States, perhaps due to hardware limitations.

applewatchseries3-800x308.jpg
"If you purchased one (an Apple Watch S3 GPS + Cellular) through the US Apple Online Store, it'll only work for the 4 US carriers. It wouldn't work internationally unfortunately. I'm not entirely sure what type of error it would show if you took a US Watch to Germany, but it wouldn't be compatible with Telekom".
Additionally, Apple Watch Series 3 models do not support roaming outside of a provider's network coverage area, according to Apple's fine print, so roaming when traveling to another country is not supported.

Unlike iPhones, Apple Watch Series 3 models also support a limited number of LTE bands, another factor that contributes to no support between countries. In the U.S., Canada, and Puerto Rico, for example, only bands 2, 4, 5, 12, 13, 17, 18, 19, 25, 26, and 41 are supported.

LTE Apple Watch models are currently only available in Australia, Canada, China, France, Germany, Japan, Puerto Rico, Switzerland, the UK, and the United States. Apple says availability will expand to other countries next year.

Article Link: LTE in Apple Watch Series 3 Models Only Works in Country of Purchase
 
Wait - if Cellular Series 3 watches are only available in countries with supported networks - does that mean if you're in a country where it's not supported that it's not possible to buy a stainless steel Series 3 watch? That would be quite odd if true.

I'm fascinated how the whole eSIM thing will work. We'll see this eventually on phones as well as more carriers start to support it. I'm going to be connecting my Series 3 next week. So interested to see how that process is handled (it looks like it's done in the Watch app on the phone).
 
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Smells of carrier (or less likely Apple) geoblocking. The sim is electronic.
Why build a different LTE chip for different countries.

Do we know details about the cellular chip being used? Is it Apple designed now? I wonder if to minimize it as much as possible they reduced the bands supported to simple the watch per region. No clue though, just thinking out loud.
 
Only 3.5% of the US population has EVER traveled abroad. But we should probably blow this up into a HUGE problem because EVERYONE has to have their watch to talk when they're traveling.

We couldn't talk on our watches before 9/22 but it's IMPOSSIBLE to travel without that ability after that date. Cancel my trip.
 
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