The biggest upgrade of Apple Watch Series 3 released by Apple this year is that it supports carrier's cellular network and can be used independently of iPhone. The cellular network of the first batch of users in China could still be used normally shortly after they got the Apple Watch Series 3. Soon afterwards, the operator closed the support channel of the Apple Watch Series 3, and the cellular network version became a common GPS version.

Previously, Apple's official website also showed that the cellular network version of Apple Watch Series 3 was expected to be available at the end of 2017, but now this sentence has become "available in 2018". As for why the normally usable cellular network has to wait until 2018, it is obviously related to the approval of domestic operators and relevant departments.

At present, Apple has officially agreed that users who have purchased the cellular version of Apple Watch Series 3 will return the product without reason. As long as you buy it in the official Apple Store/online mall, no matter when you buy it this year, you can return it. As for whether the customers who buy in JD, Tmall, Suning and other third-party online channels also support the return application, Apple has not made clear.

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