The fourth-generation Apple Watch launched on the same day as the iPhone XS and XS Max in September 2018. However, while the smartphones was available on all of the major mobile networks on day one, it was a different story when it came to the wearable device.

EE and Vodafone had exclusives on the LTE versions of the Apple Watch (from Series 3 onwards) but the O2 network is finally joining the fray, finally allowing subscribers to connect to their existing phone contract.
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