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The iPhone 3GS, stylized as iPhone 3Gš , [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.
Upgrading to iPhone OS 3 was free for iPhone. Upgrading to iPhone OS 3 originally cost iPod Touch users $9.95; [9] updating to 3.1.x from 2.x cost only $4.95. [10] [11]iPhone OS 3 was the last major version of iOS for which there was a charge for iPod Touch users to upgrade.
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 ...
iPhone 3 may refer to one of two mobile phones made by Apple Inc.: The iPhone 3G , a mobile phone released in 2008 The iPhone 3GS , a mobile phone released in 2009
The Wi-Fi menu in Settings showed warnings about the security of a network and whether a network lacked Internet connectivity. This was shown to the user as small subtext under the Wi-Fi's network's name. [38] In iOS 10.2, a "Preserve Settings" feature allowed users to set the Camera app to launch with certain settings by default.
By 2007, Vietnam reported Internet penetration levels of 11.5%, rising to 22.4 percent in 2008 and 45.2% in 2010. By 2013, Vietnam officials reported Internet penetration levels of 75.2%, which is about 68 million users with Wifi signals that can be found anywhere in every commercial and residential area. As of January 2021, out of its ...
Vietnam ranks 16th in the world in terms of number of internet users. [ 11 ] There are five ISPs operating: Netnam Company, Vietnam Data Communication Company (VDC), Corporation for Finance and Promoting Technology (FPT), Saigon Post and Telecommunications Services Corporation (Saigon Postel Corporation, SPT) and Viettel Company.
Wi-Fi calling, also called VoWiFi, [1] refers to mobile phone voice calls and data that are made over IP networks using Wi-Fi, instead of the cell towers provided by cellular networks. [2] Using this feature, compatible handsets are able to route regular cellular calls through a wireless LAN (Wi-Fi) network with broadband Internet , while ...