n77 C-band

Wi‑Fi 6 (802.11ax) with 2x2 MIMO

802.11a/b/g/n/ac

Yes

2.4GHz & 5.0GHz

Yes with reader mode

v5.0

v5.0 + EDR, A2Dp, Hs, LE, aptX®

Up to 10 devices

Noise suppression by Goodix VoiceExperience

Yes

Dual SIM (nano‑SIM and eSIM)¹⁵

Nano

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

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

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

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

850/1700/1900/2100MHz

850, 900, 1800, 1900 MHz

850/900/1800/1900MHz

Quad-band

Yes

Yes

Yes

FaceTime audio
Voice over LTE (VoLTE)¹
Wi‑Fi calling¹

Safari

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

Accelerometer, Barometer

Yes

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

Apple Music®

Sonim Music Player

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

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

Yes

via Bluetooth

Yes

M3,T4

M4,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