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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, aptX®

v5.0

Up to 10 devices

Noise suppression by Goodix VoiceExperience

Yes

Nano

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

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)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

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

12MP Wide camera

4K video recording at 24 fps, 25 fps, 30 fps, or 60 fps
1080p HD video recording at 25 fps, 30 fps, or 60 fps
720p HD video recording at 30 fps
Extended dynamic range for video up to 30 fps
Optical image stabilization for video
Digital zoom up to 3x
LED True Tone flash
QuickTake video
Slo‑mo video support for 1080p at 120 fps or 240 fps
Time‑lapse video with stabilization
Night mode Time‑lapse
Cinematic video stabilization (4K, 1080p, and 720p)
Continuous autofocus video
Take 8MP still photos while recording 4K video
Playback zoom
Video formats recorded: HEVC and H.264
Stereo recording

Video supported formats include HEVC, H.264, and ProRes Supports Dolby Vision, HDR10, and HLG Up to 4K HDR AirPlay for mirroring, photos, and video out to Apple TV (2nd generation or later) or AirPlay 2‑enabled smart TV Video mirroring and video out support: Up to 1080p through Lightning Digital AV Adapter and Lightning to VGA Adapter (adapters sold separately)

7MP camera
ƒ/2.2 aperture
Portrait mode with advanced bokeh and Depth Control
Portrait Lighting with six effects (Natural, Studio, Contour, Stage, Stage Mono, High-Key Mono)
Deep Fusion
Smart HDR 4 for photos
Photographic Styles
1080p HD video recording at 25 fps or 30 fps
Time‑lapse video with stabilization
Night mode Time‑lapse
Retina Flash
QuickTake video
Wide color capture for photos and Live Photos
Auto HDR for photos
Auto image stabilization
Burst mode
Cinematic video stabilization (1080p and 720p)

Digital zoom up to 5x

Portrait mode with advanced bokeh and Depth Control
Portrait Lighting with six effects (Natural, Studio, Contour, Stage, Stage Mono, High-Key Mono)
Optical image stabilization
Six‑element lens
LED True Tone flash with Slow Sync
Panorama (up to 63MP)
Sapphire crystal lens cover
Autofocus with Focus Pixels
Wide color capture for photos and Live Photos
Deep Fusion
Smart HDR 4 for photos
Photographic Styles
Advanced red-eye correction
Auto image stabilization
Burst mode
Photo geotagging
Image formats captured: HEIF and JPEG

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