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n77 C-Band, n260

802.11a/b/g/n/ac

Yes

2.4GHz & 5.0GHz

Yes

NFC with reader mode

v5.0 + EDR, A2Dp, Hs, LE, aptX®

v5.0

Up to 10 devices

Noise suppression by Goodix VoiceExperience

Yes

Nano

Dual SIM (nano‑SIM and eSIM)

Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n71, n77, n78, n79, n260, n261

FaceTime video calling over cellular or Wi-Fi

FaceTime HD (1080p) video calling over 5G or Wi-Fi

Bands 1, 2, 3, 4, 5, 7, 12, 13, 14, 25, 26, 30, 39, 40, 41, 66 and 71

Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 66, 71

850/1700/1900/2100MHz

850, 900, 1700/2100, 1900, 2100 MHz

850/900/1800/1900MHz

850, 900, 1800, 1900 MHz

Quad-band

Yes

Yes

Yes

FaceTime audio

Voice over LTE (VoLTE)

Wi-Fi calling

Accelerometer, Barometer

Face ID, Barometer, Three‑axis gyro, Accelerometer, Proximity, Ambient light

Insert pictures, video clips and sound clips easily (messaging charges apply)

Yes

Sonim Music Player

Apple Music®

MP3, AAC, HE-AAC v1, v2, FLAC, APE, ALAC, AIFF

AAC‑LC, HE‑AAC, HE‑AAC v2, Protected AAC, MP3, Linear PCM, Apple Lossless, FLAC, Dolby Digital (AC‑3), Dolby Digital Plus (E‑AC‑3), Dolby Atmos, and Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+)

via Bluetooth

Yes

M4,T4

M3,T4

Yes

Yes

Yes

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)

4/4

0/3

1/1

2/2

10/10

Wireless charging up to 15W

Magnet array

Alignment magnet

Accessory Identification NFC

Magnetometer

Safari®