Search results
Results from the WOW.Com Content Network
The iPhone 3GS, stylized as iPhone 3G🅂, [a] is a smartphone that was developed and marketed by Apple Inc. It is the third generation of the iPhone and the successor to the iPhone 3G . It was unveiled on June 8, 2009 [ 6 ] at the WWDC 2009 , which took place at the Moscone Center in San Francisco.
In 3G, the most prevalent technology was UMTS with CDMA-2000 in close contention. All radio access technologies have to solve the same problems: to divide the finite RF spectrum among multiple users as efficiently as possible. GSM uses TDMA and FDMA for user and cell separation. UMTS, IS-95 and CDMA-2000 use CDMA. WiMAX and LTE use OFDM.
35 minutes for iPhone 15 Pro Max, iPhone 16 Plus and iPhone 16 Pro Max Wireless Charging 25 W MagSafe (with 30 W adapter or higher), 15 W Qi2 and 7.5 W Qi wireless charging MagSafe and Qi wireless charging: Resistant IP68 (Maximum depth of 6 meters up to 30 minutes) Dimensions Height 163 mm (6.4 in) 149.6 mm (5.89 in) 160.9 mm (6.33 in)
3G telecommunication networks support services that provide an information transfer rate of at least 144 kbit/s. [2] [3] Later 3G releases, often referred to as 3.5G and 3.75G , introduced important improvements, enabling 3G networks to offer mobile broadband access with speeds ranging from several Mbit/s up to 42 Mbit/s. [4]
The iPhone 3G features an internal rechargeable battery rated at 1150 mAh, which, like its predecessor, is not user-replaceable. Apple stated that the iPhone 3G's battery is capable of providing up to six hours of web browsing via Wi-Fi, or five hours via 3G, or 25 hours of audio playback. Alternatively, it is said to provide 300 hours of ...
The iPhone 4 and iPhone 4s used stainless steel instead of aluminium due to Steve Jobs' preference for the metal which he thought, "looks beautiful when it wears". [47] The iPhone 5 is 18% thinner, 20% lighter, and has 12% less overall volume than its predecessor, the iPhone 4s. [48] The phone's aluminum body is 0.30 in (7.6 mm) thick.
Later 3G releases, often denoted 3.5G and 3.75G, also provide mobile broadband access of several Mbit/s to smartphones and mobile modems in laptop computers. This ensures it can be applied to wireless voice telephony, mobile Internet access, fixed wireless Internet access, video calls and mobile TV technologies.
An Android phone, showing that it is connected to a 5G network An Apple iPhone showing that it is connected to a 5G Network. In telecommunications, 5G is the fifth generation of cellular network technology, which mobile operators began deploying worldwide in 2019 as the successor to 4G. 5G is based on standards defined by the International Telecommunication Union under the IMT-2020 ...