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Listed specifications are reference information, not results of TechMyte testing. Rumored details may change, and hardware or supported features can differ by region. Confirm the exact model with its manufacturer before buying.

Battery capacity does not establish tested endurance; megapixel count does not establish camera quality. Use the comparison tool to identify differences, then check the features that matter to your use.

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Technical data sheet

Full Specifications

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, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66
Speed	HSPA, LTE, 5G - cellular model only
5G bands	1, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 66, 71, 77, 78 SA/NSA/Sub6

Launch

Announced	2025, August 25
Status	Available. Released 2025, August 25

Body

Dimensions	254.3 x 165.8 x 6.6 mm (10.01 x 6.53 x 0.26 in)
Weight	524 g (1.16 lb)
SIM	Nano-SIM + eSIM (cellular model only)
Build	Glass front, aluminum back, aluminum frame

Battery

Type	Li-Po 8000 mAh
Charging	25W wired, 100% in 120 min

Display

Size	10.9 inches, 344.5 cm2 (~81.7% screen-to-body ratio)
Resolution	1320 x 2112 pixels, 16:10 ratio (~228 ppi density)
Protection	Mohs level 5
Type	TFT LCD, 90Hz

Platform

OS	Android 15, up to 7 major Android upgrades, One UI 7
Chipset	Exynos 1380 (5 nm)
CPU	Octa-core (4x2.4 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU	Mali-G68 MP5

Memory

Card slot	microSDXC (dedicated slot)
Internal	128GB 6GB RAM, 256GB 8GB RAM

Selfie camera

Single	5 MP, (wide)
Video	1080p@30fps

Sound

Loudspeaker	Yes, with stereo speakers
3.5mm jack	No

Comms

WLAN	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth	5.3, A2DP, LE
Positioning	GPS, GALILEO, GLONASS, BDS, QZSS - cellular model only
NFC	No
Radio	No
USB	USB Type-C 2.0

Features

Sensors	Accelerometer, gyro, proximity (accessories only), compass (cellular model only)

Misc

Colors	Gray, Silver, Coral Red
Price	$ 299.99
Models	SM-X400, SM-X406, SM-X406B
SAR EU	0.92 W/kg (body)

Main Camera

Video	1080p@30fps
Single	8 MP, (wide), AF

EU LABEL

Energy	Class F
Battery	87:42h endurance, 2000 cycles
Free fall	Class E (0 falls)
Repairability	Class C

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