Sonim XP400

Specifications
Sonim XP400
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  • 6.5" 720x1612 pixels
  • 50MP 1080p
  • 6GB RAM Snapdragon 4 Gen 2
  • 5000mAh
Released 2025, January 22 230g, 10.2mm thickness Android 14, up to 2 major Android upgrades 128GB storage, microSDXC
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Network
Technology GSM / HSPA / LTE / 5G
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 20, 26, 28, 32, 38, 40, 41, 42, 68, 71
5G bands 1, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 71, 75, 77, 78 SA/NSA
Speed HSPA, LTE, 5G
Launch
Announced 2025, January 22
Status Available. Released 2025, January 22
Body
Dimensions 170 x 78 x 10.2 mm (6.69 x 3.07 x 0.40 in)
Weight 230 g (8.11 oz)
SIM Nano-SIM + Nano-SIM
 IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
MIL-STD-810H compliant
Display
Type IPS LCD
Size 6.5 inches, 101.5 cm2 (~76.5% screen-to-body ratio)
Resolution 720 x 1612 pixels, 20:9 ratio (~272 ppi density)
Protection Corning Gorilla Glass Victus 2
Platform
OS Android 14, up to 2 major Android upgrades
Chipset Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
CPU Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPU Adreno 613
Memory
Card slot microSDXC (uses shared SIM slot)
Internal 128GB 6GB RAM
Main Camera
Dual 50 MP, (wide), PDAF
5 MP, (ultrawide)
Features LED flash
Video 1080p@30fps
Selfie Camera
Single 8 MP, (wide)
Video 1080p@30fps
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Sound
Loudspeaker Yes, with stereo speakers
3.5mm jack No
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth 5.1, A2DP, LE
Positioning GPS (L1+L5), GALILEO, GLONASS
NFC Yes
Radio FM radio
USB USB Type-C 3.1
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Battery
Type 5000 mAh
Misc
Colors Black
Price £ 336.31 / € 329.86
Sonim XP400 128GB 6GB RAM

User opinions and reviews

  • Geoa
  • 04 Jun 2025
  • rRU

I agree, I'm still using my XP8, it's very tough and the perfect size, I prefer physical navigation keys and love three custom keys, the XP10 wasn't an upgrade to me, 5000mAh from a 4900mAh? the xp10 xp400 xp pro and xp pro thermal all...

Yup like i said remarkable and astinishing quality thats what epitomes Sonim brand.

I have the xp10 with a case and tempered glass screen protector and it's taken face down drops onto concrete, gotten dropped on jobsites and had a bunch of other falls-no problems at all except a screen protector cracked once.

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