Operating system
330 MHz
Screen Size
2+ MP

Prices (Where to Buy)

Common Questions

Samsung released the i400 on April 25, 2007.

We've got you covered! Download a free PDF copy of the Samsung i400 user manual here.

Samsung backs up the i400 with a 1 Year parts & labour warranty.

If your i400 has problems and is still within its warranty period, you could contact Samsung support or the retailer you purchased the phone from. You'll find Samsung's contact information here. If your phone is off warranty and needs repair for a physical problem such as a broken screen or bad battery, you should visit an authorized service centre or a local phone repair shop. You can also connect with others in The Informr Community Forum to find and share answers to questions.

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Screen Size

The Samsung i400's screen size is 2.3 inches with 240 x 320 pixels resolution.

330 MHz

There is a Texas Instruments OMAP 2430 330 MHz processor (CPU).


The phone runs on the Symbian v9.2 (S60 3rd Edition, Feature Pack 1) operating system (OS).

2+ MP

You can take photos or capture video with the phone's onboard 2+ megapixel camera.

There's no secondary front camera.

40 MB

Internal memory is 40 MB. An external, MicroSD expansion slot is available for increased storage capacity.


The phone is powered by a Lithium-Ion (Li-Ion), 950 mAh battery. Samsung's performance ratings are 10.5 days standby time, 180 minutes.

Samsung i400 Specs

Release date April 25, 2007
900/1800/1900 MHz
SIM card Yes
Dual SIM No
Operating System Symbian v9.2 (S60 3rd Edition, Feature Pack 1)

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Processor Texas Instruments OMAP 2430 330 MHz
Internal Flash Memory 40 MB
Digital compass No
Flightmode No
Hearing Aid Compatible Yes
Noise Cancellation No
SAR Head: 0.21 W/kg
Languages No
Manufacturer Warranty 1 Year
Accessories Included AC Charger, Manual, Standard Battery
Power & battery
Type Lithium-Ion (Li-Ion)
Battery Capacity 950 mAh
Removable Battery Yes
Wireless Charging No
Fast Charging No
Video Playback Time Unknown
Internet Use (Wi-Fi) Unknown
Internet Use (Celluar) Unknown
Talk Time Up to: 180 minutes (3G)
Standby Time Up to: 10.5 days
Physical Characteristics
Design type Slider
Colors Black, Red
Dimensions [H x W x D] 10.1 x 5.1 x 1.6 cm (4 x 2 x 0.6 in)
Weight 92 grams
Water Resistant / Waterproof Unknown
Rugged design No
IP Rating No
Antenna Type Internal
Changeable Faceplates No
Display / Screen
Type Color
Technology LCD (TFT)
Colors 262k
Resolution 240 x 320 pixels
Pixel density Unknown
Size 2.3 inches
3D No
Secondary Display No
Graphics Yes
Themes Yes
Backlit Illumination Yes
Zoom / Magnification No
Screen Orientation Lock No
Multi-Touch No
Fingerprint-Resistant Coating No
Additional Display Features -
Input / Navigation
Sleep / Wake Key No
Home Key No
Mute Key No
Input Type Standard / 12-key Numeric
Navigation Type D-pad
Predictive Text Entry T9
Physical keyboard No
Voicemail Key No
Any Key Answer No
Voice Commands Yes
Keypad/Screen Lock No
External Volume Control Yes
External Media Playback Controls No
Fingerprint Sensor No
Call Management
Wi-Fi Calling No
Voice over LTE (VoLTE) No
Contact List Capacity Depends on system memory
Multiple Numbers Per Contact Unknown
Contact Groups No
Auto Answer No
Voice Activated Dialing Yes
Photo Caller ID Yes
Web / Email / Messaging
Web Browser Yes
Email Client Yes
Email Protocols POP3, IMAP, SMTP
Additional Email Features -
Messaging SMS, EMS, MMS, IM
Push-to-talk (PTT) No
USB Micro-USB 2.0
USB OTG Support No
Infrared No
Bluetooth 2.0
Bluetooth Profiles No
Bluetooth Audio Codecs SBC
WiFi No
WiFi Encryption -
Mobile Hotspot No
Memory Expansion Slot Yes
Expansion Slot Info MicroSD
PC Synchronization Yes
TV Out No
DLNA Support No
UMA Support No
Data Tethering Compatibility Yes
Java Applications Yes
Brew Applications No
ECML / Digital Wallet No
PictBridge Yes
Main Camera
2+ megapixels
Dual lens
Additional Rear Camera Info
Video Recording Formats
3GP / 3GPP, H.264 / AVC, WMV, RealVideo
Video Recording Parameters
CIF (352 x 288 pixels), 15 fps
Front Camera
Additional Front Camera Info
Video Recording Parameters
Audio / Video
Audio Playback Yes
Audio Formats MP3, AAC+, AAC, Real Audio, WMA, WAV, M4A
Radio No
Video Playback Yes
Video Playback Formats 3GP / 3GPP, H.264 / AVC, WMV, RealVideo
Mobile TV No
Streaming Video No
External Speakers No
Headset Jack Other / proprietary
Custom Ringtones No
Vibration Alert Yes
Downloadable Ringtones Yes
Ringtone Composer No
Ringer ID Yes
Haptic Feedback Vibration No
Speakerphone Yes
To-Do / Task List Yes
Calendar Yes
World Clock Yes
Alarm Yes
Stop Watch Yes
Timer Yes
Calculator Yes
Currency Converter No
Document Viewer Yes
Viewable document types DOC, PPT, RTF, XLS
Weather No
Stocks No
Maps No
NotePad Yes
Voice Memos / Recorder Yes
Games Downloadable
Apps Downloadable ()
Included Software / Apps -
Additional comments Other Names (AKA): Samsung SGH-i400

Related Links Manual (PDF)
Where to buy Samsung i400
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