the iphone 4s

The iPhone 4s is a gradual step over the iPhone 4 improving the internals, but keeping the look and feel. At the same time, though, it brings a reworked iOS 5 and introduces Siri, a personal voice assistant allowing you to vocally communicate with the iPhone. It comes with a 3.5" screen with a resolution of 640 x 960 pixels, but on the inside there's a twice more powerful dual-core A5 processor. It also improves connectivity a notch, bringing 14.4Mbps HSPA download speeds. The back is where an 8-megapixel camera resides and it's capable of recording 1080p videos.

DESIGN

• Device type:
  • Smart phone
• OS:
  • iOS (7.x, 6.1, 6, 5.1, 5)
• Dimensions:
  • 4.54 x 2.31 x 0.37 inches (115.2 x 58.6 x 9.3 mm)
• Weight:
  • 4.94 oz (140 g)
    the average is 4.6 oz (131 g)
• Body material:
  • Glass

DISPLAY

• Physical size:
  • 3.5 inches
• Resolution:
  • 640 x 960 pixels
• Pixel density:
  • 326 ppi
• Technology:
  • IPS LCD
• Colors:
  • 16 777 216
• Touchscreen:
  • • Multi-touch
• Features:
  • Light sensor, Proximity sensor, Oleophobic coating

CAMERA

• Camera:
  • • 8 megapixels
  • Flash:
    • LED
  • Aperture size:
    • F2.4
  • Focal length (35mm equivalent):
    • 35mm
  • Camera sensor size:
    • 1/3.2"
  • Features:
    • Back-illuminated sensor (BSI), Auto focus, Touch to focus, Digital image stabilization, Face detection, Geo tagging
• Camcorder:
  • • 1920x1080 (1080p HD) (30 fps)
  • Features:
    • Digital image stabilization
• Front-facing camera:
  • • 0.3 megapixels VGA

HARDWARE

• System chip:
  • Apple A5
• Processor:
  • Dual core, 800 MHz, ARM Cortex-A9
• Graphics processor:
  • • PowerVR SGX 543MP2
• System memory:
  • 512 MB RAM
• Built-in storage:
  • 16 GB

BATTERY

• Talk time:
  • 14.00 hours
    the average is 12 h (730 min)
• Stand-by time:
  • 8.3 days (200 hours)
    the average is 20 days (484 h)
• Talk time (3G):
  • 8.00 hours
    the average is 12 h (704 min)
• Not user replaceable:
  • Yes

MULTIMEDIA

• Music player:
  • Filter by:
    • Album, Artist, Genre, Playlists
  • Features:
    • Album art cover, Background playback
• Speakers:
  • Earpiece, Loudspeaker
• YouTube player:
  • Yes

INTERNET BROWSING

• Built-in online services support:
  • YouTube (upload)

TECHNOLOGY

• CDMA:
  • 800, 1900 MHz
• GSM:
  • 850, 900, 1800, 1900 MHz
• UMTS:
  • 850, 900, 1900, 2100 MHz
• Data:
  • HSDPA 14.4 Mbit/s, HSUPA 5.76 Mbit/s, UMTS, EDGE, EV-DO Rev.A
• Micro SIM:
  • Yes
• Positioning:
  • A-GPS, Glonass
• Navigation:
  • Yes