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Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n38, n40, n41, n66, n71

Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71

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

850, 1700/2100, 1900, 2100MHz

Required to use smartwatch over cellular; rate plan required

Yes

Wi-Fi 4 (802.11n)

802.11n

v5.3

v5.2 + EDR, A2DP, HS, LE

Electronic SIM

eSim

Yes

2.4GHz

Open, Secure

Yes

Yes

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

Noise monitoring

Fall Detection

Emergency SOS

Crash Detection

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

Generates an ECG similar to a single-lead electrocardiogram.

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

Electrical heart sensor

Third-generation optical heart sensor

Blood oxygen sensor

Temperature sensor

Compass

Always-on altimeter

High-g accelerometer

High dynamic range gyroscope

Ambient light sensor

Depth gauge to 6 meters

Water temperature sensor

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

Yes

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