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2. iPhone 4 - Wikipedia

   en.wikipedia.org/wiki/IPhone_4

   This is an accepted version of this page This is the latest accepted revision, reviewed on 15 January 2025. 2010 smartphone by Apple "iPhone 4G" redirects here. For the first iPhone with 4G networking, see iPhone 5. Not to be confused with iPhone 4s. iPhone 4 iPhone 4 (GSM model) in black Developer Apple Inc. Manufacturers Foxconn (UMTS/GSM model) Pegatron (CDMA model) Type Smartphone ...

3. iPhone - Wikipedia

   en.wikipedia.org/wiki/IPhone

   The iPhone 4 was announced on June 7, 2010, at WWDC 2010, and introduced a redesigned body incorporating a stainless steel frame and a rear glass panel. [24] At release, the iPhone 4 was marketed as the "world's thinnest smartphone"; [ 24 ] it uses the Apple A4 processor, being the first iPhone to use an Apple custom-designed chip.

4. Retina display - Wikipedia

   en.wikipedia.org/wiki/Retina_display

   The displays are manufactured worldwide by different suppliers. Currently, the iPad's display comes from Samsung, [12] while the MacBook Pro and iPod Touch displays are made by LG Display [13] and Japan Display Inc. [14] There was a shift of display technology from twisted nematic (TN) liquid-crystal displays (LCDs) to in-plane switching (IPS) LCDs starting with the iPhone 4 models in June 2010.

5. Electromagnetic shielding - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_shielding

   Electromagnetic shielding cages inside a disassembled mobile phone.. In electrical engineering, electromagnetic shielding is the practice of reducing or redirecting the electromagnetic field (EMF) in a space with barriers made of conductive or magnetic materials.

6. News, Politics, Sports, Mail & Latest Headlines - AOL.com

   homepage.aol.com

   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

7. iPhone hardware - Wikipedia

   en.wikipedia.org/wiki/IPhone_hardware

   The iPhone 4 is the first generation to have two cameras. The LED flash for the rear-facing camera (top) and the forward-facing camera (bottom) are available on the iPhone 4 and subsequent models. The first-generation iPhone (2007) and iPhone 3G (2008) have a fixed-focus 2.0-megapixel camera on the back for digital photos.

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. History of the iPhone - Wikipedia

   en.wikipedia.org/wiki/History_of_the_iPhone

   Steve Jobs presenting the iPhone 4 at WWDC 2010 First iPhone on display under glass at Macworld 2007. The history of the iPhone by Apple Inc. spans from the early 2000s to about 2010. [clarification needed] The first iPhone was unveiled at Macworld 2007 and released later that year. By the end of 2009, iPhone models had been released in all ...