The new Apple Watch Series 4 features sensors that can detect when wearers suffer a heavy fall as well as alert them if it clocks abnormal heart rates.
There's also Dual-SIM support but for those outside of China would need to use an e-SIM for the secondary connection.
The phones are updates to last year's iPhone X (10), which was released to mark the 10th anniversary of the smartphone.
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The premium service was originally slated to arrive in late 2017, but was eventually pushed back by nearly a year. The service will cost $3.99/€3.99 for one month, $7.99/€7.99 for three months, and $19.99/€19.99 for a full year.
Others pointed out that it was a missed opportunity, arguing that the firm should have called its XS Max - which has the biggest iPhone display yet - the iPhone XL.
The XR features numerous same specifications as the XS duo but has only a single rear camera, an LCD screen - unlike the XS' OLED - and starts at £749 when it goes on sale in October. "The smartphone's base model starts at $749, and comes in six surprisingly vibrant colors - white, black, blue, yellow, coral, and the oddly-named "(PRODUCT) RED". Preorders start at 2 AM CST on Friday and last through September 16th. You can get both in storage configurations up to 512 gigabytes, in stores September 21, 2018.
There's a dual rear camera at the back of the iPhone XS Max with two 12MP modules.
Apple also announced a new Apple Watch, which will move further into medical device territory.
If you're in the market for an Apple Watch, and you're looking at the Apple website's comparison page trying to make up your mind, it's hard to argue with hard numbers: The Apple Watch Series 3 is $120 less expensive than the equivalent Series 4, and it's almost identical. The edges are noticeably rounder, though it still retains the square look. Apple WatchSeries 4 has a redesigned UI with new complications.
"Apple, once again, has shown their mastery of pricing tiers, which will extract more revenue per customer", analyst Gene Munster of Loup Ventures wrote in a note.