n77 C-band

802.11a/b/g/n/ac

Wi‑Fi 6 (802.11ax) with 2x2 MIMO

2.4GHz & 5.0GHz

Yes

Yes with reader mode

v5.0 + EDR, A2DP, HS, LE

v5.0

Up to 10 devices

Noise suppression by Goodix VoiceExperience

Yes

Dual SIM (nano‑SIM and eSIM)¹⁵

Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n29, n30, n38, n40, n41, n48, n66, n71, n77, n78, n79

FaceTime video calling over cellular or Wi‑Fi¹⁴
FaceTime HD (1080p) video calling over 5G or Wi‑Fi

HSPA+ with enhanced backhaul

Yes

Yes

Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 29, 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

Yes

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)¹
Wi‑Fi calling¹

Accelerometer, Barometer

Touch ID fingerprint sensor
Barometer
Three‑axis gyro
Accelerometer
Proximity sensor
Ambient light sensor

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, MP3, Apple Lossless, FLAC, Dolby Digital, and Dolby Digital Plus

via Bluetooth

Yes

Yes

M3,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)

3/4

3/3

1/1

2/2

9/10

Safari