Apple iPhone 4 Specifications, Factory Reset and User Manual

Apple iPhone 4 looks amazing with its slim dimensions and high-resolution screen. The stainless steel edges and scratch-resistant glass back panel also give premium feel to the phone. The iPhone 4 sports a 3.5″ LED-backlit IPS LCD display with a resolution of 640 x 960 pixels (330 ppi pixel density). Despite the relatively small size, the screen can bring a great visual experience. It will entertain you with high quality pictures and videos. The responsive touchscreen is also equipped with multitouch feature. As protection, the iPhone 4 uses Corning Gorilla Glass and Oleophobic coating. Basic features like Accelerometer, Gyroscope and Proximity sensor are included.


Apple iPhone uses iOS 4 operating system, but it can be upgraded to iOS 7.1.1. The phone works responsively with the support of a 1 GHz Cortex-A8 processor, PowerVR SGX535 GPU and 512 MB of RAM. It delivers decent speed to handle various tasks. To store your files, it offers 8/16/32 GB of internal storage (optional). If you want to save a lot of photos and videos, you may need to take the largest one since it doesn’t include memory card slot. Àpple iPhone 4 is equipped with a 5 MP rear camera. It features autofocus, LED flash, 1/3.2” sensor size, 1.75 µm pixel size, geo-tagging, touch focus, HDR photo and video recording capability (720p@30fps). The front-facing VGA camera can be used for video calling (Wi-Fi only).

Other features on Apple iPhone 4:

  • Connectivity options: Wi-Fi 802.11 b/g/n, Wi-Fi hotspot; Bluetooth v2.1, A2DP; and USB v2.0.
  • Compass iMessage, Email, Push Email, Safari browser
  • GPS with A-GPS
  • Active noise cancellation with dedicated mic
  • iCloud cloud service
  • Maps
  • Audio/video player/editor
  • Photo viewer/editor
  • Voice memo
  • TV-out
  • Document viewer

Dimensions: 115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in)

Weight: 137 g (4.83 oz)


Reset iPhone 4 to restore factory settings

  1. Go to Settings > General > Reset, then choose an option:
  2. Reset All Settings: All your preferences and settings are reset.
  3. Erase All Content and Settings: Your information and settings are removed. iPhone cannot be used until it’s set up again.


Download Apple iPhone 4 User Manual PDF


Leave a Reply

Your email address will not be published. Required fields are marked *