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64GB

32GB

2GB

11

Subject to change based on future operating system updates

Ask Siri to set a reminder, send an invitation, or give you directions, all without your phone.

Yes

4

Bands 1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 39, 40, 41, 66

Bands 2, 4, 5, 12, 13, 17, 25, 26, 66, 71

850/1700/1900/2100MHz

Required to use smartwatch over cellular; rate plan required

Yes

Wi-Fi 4 (802.11n)

802.11n

2.4GHz and 5GHz

2.4GHz

5.3

v5.2 + EDR, A2DP, HS, LE

Electronic SIM

eSim

Yes

Yes

Yes

Open, Secure

Yes

Improved Workout app with new metrics, new views, and advanced ways to train.

Track your daily activity on Apple Watch, and see your trends in the Fitness app on iPhone.

Keep tabs on your resting, walking, and workout recovery heart rate.

Electrical heart sensor

Third-generation optical heart sensor

Compass

Always-on altimeter

High-g accelerometer

High dynamic range gyroscope

Ambient light sensor

Depth gauge

Water temperature sensor

Accelerometer, Ambient Light, Barometer, cEDA, Gyroscope, Heart Rate, Magnetometer, Skin Temp, SpO2

Yes

Send and receive text messages from your wrist (messaging charges apply).

Apple Music®

YouTube Music

FLAC, M4A, MP3, OGG, WMA

Via lockscreen

Yes

The AT&T Eco-Rating 2.0 system gives you environmental and social details about this device. The system uses a total of 20 performance criteria across 5 different attributes, for a total rating of 1 to 5 stars: 19-20 (5-star), 16-18 (4-star), 13-15 (3-star), 10-12 (2-star), 8-9 (1-star)

3/4

3/3

1/1

2/2

7/10