Apple Watch Series 4 teardown reveals big changes on the inside

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"If you've entered your age when you set up your Apple Watch or in the Health app and you're age 65 and over, this feature automatically turns on", says the page while explaining how to turn the feature on or off. Apple has not given the reason behind keeping the feature switched off for most of the users as anyone can witness an accidental fall and may need to contact emergency services. But it is enabled only for people aging 65 or older when they set up the Apple Watch and the iOS Health app. "The more physically active you are, the more likely you are to trigger fall detection due to high impact activity that can appear to be a fall". Namely, at least four percent more battery footprint than the Apple Watch Series 3, or 1.12 Wh (291.8 mAh at 3.81 V) capacity in total. There's one ad specifically for the Apple Watch Series 4, while the iPhone XS and iPhone XS Max have to share one, just as you might expect. If you do nothing, your Watch will automatically call the emergency services - and notify your emergency contact. Everyone else will have to manually enable the feature in the Emergency SOS settings of the smartwatch.

Apple has put some serious thought into the Series 4, serving up a new case, new buttons, new display, and new features. Redditor No1ARSoul, however, noted that you'll only find that out if you read the online manual for Fall Detection and how it's enabled by default for anyone whose age is 65 or older in their Apple accounts. However, if no movement is detected for a minute, the Watch will start a 15 second countdown, further tapping and sounding a louder alarm.

But the company's Apple Watch Series 4 is a major update compared to Series 3, and it's all the more apparent when you tear it down to bits. It will not instantly trigger itself after detecting a fall.

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iFixit gives Apple Watch Series 4 a repairability score of 6 out of 10. But on harder surfaces it worked fine.

Apple Watch Series 4 is available in retail stores and through Apple's website.

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