Tools

These are some common tools used to work on this device. You might not need every tool for every procedure.

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