Battery
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Left uncharged for months |
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replace a cracked screen on a galaxy 4 watch |
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Where is the NFC antenna? |
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Why is it so hard to unscrew the back |
crwdns2943049:0crwdne2943049:0
40mm SM-R860, 40mm SM-R865, 44mm SM-R870, 44mm SM-R875
Samsung Galaxy Watch 4 Teardown
Specifications
Sizes: 40 mm or 44 mm
Display:
- Super AMOLED Full Color Always On Display
- 1.4”, 450 by 450 pixels, ~330 ppi density (44 mm), 1.2”, 396 by 396 pixels (40 mm)
- Corning Gorilla Glass DX+
Platform:
- Exynos W920 (5 nm) chipset
- Dual-core 1.18 GHz Cortex-A55 CPU
- Mali-G68 GPU
- 1.5GB RAM + 16GB Internal Memory
Operating System: Android Wear OS, One UI Watch 3
Sensors: Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical heart sensor, Bioelectrical Impedance Analysis Sensor
Battery:
- 361 mAh (44 mm), 274 mAh (40 mm)
Wireless Connectivity:
- LTE (only LTE models)
- A-GPS, GLONASS, GALILEO, BDS
- Wi-Fi 802.11 a/b/g/n, dual-band
- Bluetooth 5.0
Miscellaneous Features:
- Water-resistant/Dust-resistant 5ATM+IP68/MIL-STD-810G
- Qi wireless charging
- BioActive Sensor for body composition measuring
- holistic sleep analysis
