As of 2017, the newest variant was that the iPhone X (pronounced iPhone 10), that removed the conventional Home button in favour of a completely touchscreen interface.
The first-generation iPhone was exceptionally thin (just 11.6 mm thick) but broader and more than many similar devices. The display area has been a 3.5 inch-wide display with a multitouch port and remarkably large resolution (160 pixels per inch). Contrary to most other smartphones in the moment, iPhone didn’t utilize a hardware keyboard or a stylus. Rather, an individual relied upon multiple taps and drags to browse via iPhone OS 1.0, a mobile version of Apple’s OS X for Mac computers. Much like the iPod, the iPhone synchronized data using a user’s personal computer using a USB interface, utilizing Apple iTunes as customer program.
First-generation iPhone media features included:
Automated discovery of Wi-Fi networks;
Support for your 802.11b and 802.11g criteria;
The usage of quad band GSM (Global System for Mobile Communications) and SIM (subscriber identity module) cards to get mobile networks;
EDGE (Enhanced Data GSM Environment) service for High-speed information transfer where accessible; and
Bluetooth connectivity to short-range Media with peripherals, other iPhones and PCs.
The apparatus delivered with a 4 or 8 GB difficult Drive, a two megapixel rear-facing camera along with an Intel CPU.
The first-generation iPhone also arrived preloaded Using a package of Apple applications, such as iTunes, the Safari browser along with iPhoto. IMAP (Internet Message Access Protocol) and POP3 (Post Office Protocol 3) email services incorporated with the gadget.
Apple introduced the iPhone beneath an exclusive Two-year venture with AT&T Wireless, however, it took less than three weeks for hackers operating in concert globally to unlock the apparatus to be used on any GSM network.