The Xiaomi 17 Ultra is a flagship‑level 5G smartphone from Xiaomi’s 2025 lineup, announced alongside models like the Xiaomi 17 Pro and 17 Pro Max. It features a large premium display (typically around 6.7″–6.8″ LTPO AMOLED with up to 120 Hz refresh rate and HDR support), top‑tier flagship performance, a versatile multi‑camera system with professional‑grade sensors and telephoto zoom, and a robust battery with fast wired and wireless charging. The device runs Android 16 with HyperOS 3 and offers flagship extras such as stereo speakers, Wi‑Fi 7, Bluetooth 6+, NFC, and IP68 dust/water resistance for a complete premium experience.


Launch

Announced

2025, December 25

 

Status

Available. Released 2025, December 27

Features

Sensors

Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer

 

 

Two-way satellite communication

Display

Type

LTPO AMOLED, 68B colors, 120Hz, 2160Hz PWM, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak)

 

Size

6.9 inches, 116.6 cm2 (~92.3% screen-to-body ratio)

 

Resolution

1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)


NETWORK

Technology

GSM / HSPA / LTE / 5G

 

2G bands

GSM 850 / 900 / 1800 / 1900

 

3G bands

HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100

 

4G bands

1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66

 

5G bands

1, 2, 3, 5, 7, 8, 12, 13, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 70, 77, 78, 79, 80, 81, 83, 84, 89 SA/NSA

 

Speed

HSPA, LTE, 5G

Platform

OS

Android 16, HyperOS 3

 

Chipset

Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)

 

CPU

Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)

 

GPU

Adreno 840

Body

Dimensions

162.9 x 77.6 x 8.5 mm (6.41 x 3.06 x 0.33 in)

 

Weight

230 g (8.11 oz)

 

Build

Glass front, fiber-reinforced plastic back / silicone polymer back (eco leather), aluminum frame

 

SIM

· Nano-SIM + Nano-SIM

 

 

· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)

 

 

IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 6m for 30 min)

 

 

Aerospace-grade glass fiber


Comms

WLAN

Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct

 

Bluetooth

5.4, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5, MIHC

 

Positioning

GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS

 

NFC

Yes

 

Infrared port

Yes

 

Radio

No

 

USB

USB Type-C 3.2 Gen 2, DisplayPort, OTG

Main Camera

Triple

50 MP, f/1.7, 23mm (wide), 1.0"-type, 1.6µm, dual pixel PDAF, OIS

 

 

200 MP, f/2.4-3.0, 75-100mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF (30cm - ∞), OIS, 3.2-4.3x continuous optical zoom, zoom ring

 

 

50 MP, f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, dual pixel PDAF

 

 

TOF 3D, (depth)

 

Features

Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)

 

Video

8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K@60fps, 1080p)


Selfie camera

Single

50 MP, (wide), 1/2.88", 0.61µm

 

Features

HDR, panorama

 

Video

4K@30/60fps, 1080p@30/60fps, gyro-EIS

Sound

Loudspeaker

Yes, with stereo speakers

 

3.5mm jack

No

 

 

24-bit/192kHz Hi-Res & Hi-Res Wireless audio

Memory

Card slot

No

 

Internal

512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM

 

 

UFS 4.1

Battery

Type

Si/C Li-Ion 6800 mAh

 

Charging

90W wired, 90W PPS, PD3.0, QC3+

 

 

50W wireless

 

 

22.5W reverse wired

 

 

10W reverse wireless

Misc

Colors

Black, White, Starry Green, Purple

 

Models

25128PNA1C


Carrier Compatibility (USA / Global)

The Xiaomi 17 Ultra supports 2G / 3G / 4G LTE / 5G (SA/NSA Sub‑6) network technologies with dual Nano‑SIM (and in some regions eSIM) capability.
  • USA: An unlocked unit can be used on GSM‑based carriers such as T‑Mobile and AT&T in the United States when the phone’s supported LTE and 5G bands align with each carrier’s frequency requirements. Advanced features like VoLTE and full 5G NR support depend on carrier certification and regional firmware — always verify exact band support with your carrier before purchase.
  • Global: With broad LTE and 5G band support typical of flagship devices, the Xiaomi 17 Ultra works on carriers across Asia, Europe, Africa, the Middle East, and other regions when unlocked and bands match local network requirements.

Final Summary

Xiaomi 17 Ultra is a high‑end 5G flagship smartphone with a large 120 Hz LTPO AMOLED display, flagship chipset performance, premium multi‑camera system (often including periscope zoom), and robust battery with fast charging. It supports wide global GSM/4G/5G networks and can be used on major carriers — including U.S. GSM providers when unlocked and bands align — though advanced network feature support depends on carrier certification and firmware.