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Apple Watch Series 4 detailed disassembly: greatly optimized internal design

via:MacX     time:2018/9/24 21:02:51     readed:1487

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Apple Online Store (China)

LTPO OLED Retina display with Force Touch support

Series 4 is available in two sizes 40 mm (324 x 394) and 44 mm (368 x 448)

Apple designed 64-bit dual-core S4 SiP chip

Optional LTE and UMTS, built-in GPS/GLONASS/Galileo/QZSS, NFC, Wi-Fi 802.11b/g/n 2.4 GHz, support for Bluetooth 5.0

Improve acceleration sensors and gyroscopes,

Waterproof rating is improved, underwater is 50 meters without failure

watchOS 5

Appearance Series 4 is not much different from Series 3, but it can be found by X-rays, and the internal changes are very large.

The back cover of the Apple Watch Series 4 is designed with ceramic + sapphire

Apple Watch Series 4 new mold model A2008, another serial number

Heat up and open the screen

This is the screen of the Apple Watch Series 4

The 44mm model has a screen area of ​​977 square millimeters, and the Series 3 42mm model has a screen area of ​​740 square millimeters.

The screen size of the 40 mm model is 759 mm 2 , and the screen size of the Series 38 mm model is 563 mm 2 .

Remove the battery fixing screw

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This is the battery of the Apple Watch Series 4. Apple claims that the Series 4 can last for 18 hours. The battery information is 1.113Wh (291.8 mAh, 3.81V), model A2059

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Series 4's battery capacity increased by 4% compared to last year's Series 3

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Washer for Force Touch

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Taptic Engine

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This is the Taptic Engine of the Apple Watch Series, which is a linear actuator for electromagnetic vibration.

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This is the new speaker of the Apple Watch Series. Apple says the volume is increased by 50%.

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microphone

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Then there is S4 SiP, the chip above includes:

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Red: Anwark AFEM-8087

Orange: OU JQ

Yellow: YY MEH ECE (acceleration sensor + gyroscope)

Green: AE827 I2033 0836

Purple: STMicroelectronics ST33G1M2 32-bit MCU with ARM SecurCore SC30

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Heart rate sensor at the bottom of the Apple Watch Series 4

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The above chips include:

Red: A88 AY10

Orange: 18206 00D5

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The golden ring is the antenna of the Apple Watch.

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Finally, the new digital crown:

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The internal gold cylinder has tiny scratches that allow the optical encoder (small black box on the ribbon cable) to track its rotation.

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The elastic bracket behind the cylinder may conduct electrical signals from the finger to the watch to complete the ECG circuit.

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The small switch behind the spring acts as a mechanical button for the crown. In addition, there is a good gasket on the outer crown to prevent liquid from entering.

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Disassembled! The original Apple Watch was a revolutionary product, but the upgrades have not changed until Apple Watch Series 4.

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