Rov qab mus rau yav dhau los: iOS 4 tab tom los

Nyob rau hnub no qhov kev txhim kho ntawm peb li niaj zaus Rov qab rau yav dhau los series, peb yuav tsom mus rau keeb kwm ntawm Apple. Tshwj xeeb, peb yuav rov qab mus rau xyoo 2010 - yog thaum Apple tau tshaj tawm thiab tso tawm nws lub iOS 4 operating system. Qhov kev hloov tshiab no tau hloov pauv ntau txoj hauv kev, thiab peb yuav nco ntsoov nws tuaj txog hnub no.

Thaum Lub Rau Hli 21, 2010, Apple tau tshaj tawm nws cov kev ua haujlwm tshiab, uas yog hu ua iOS 4. Nrog rau kev tuaj txog ntawm qhov kev ua haujlwm no, cov neeg siv tau txais xov xwm nthuav thiab muaj txiaj ntsig. iOS 4 yog ib kauj ruam tseem ceeb rau pem hauv ntej rau Apple thiab rau cov neeg siv lawv tus kheej. Ntxiv rau qhov ua thawj version ntawm Apple lub mobile operating system uas tsis muaj npe "iPhoneOS", nws tseem yog thawj version uas tseem muaj rau lub iPad tshiab.

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Steve Jobs nthuav tawm iOS 4 ntawm WWDC ua ke nrog iPhone 4. Qhov tshiab coj los ua, piv txwv li, kev tshuaj xyuas kev sau ntawv, kev sib raug zoo nrog Bluetooth keyboards lossis muaj peev xwm teeb tsa keeb kwm yav dhau rau lub desktop. Tab sis ib qho ntawm cov kev hloov pauv tseem ceeb tshaj plaws yog kev ua haujlwm ntau. Cov neeg siv tam sim no tuaj yeem siv daim ntawv thov xaiv thaum lwm cov ntawv thov tau khiav hauv keeb kwm yav dhau - piv txwv li, nws tuaj yeem mloog nkauj thaum tshawb hauv Is Taws Nem hauv Safari web browser ib puag ncig. Cov ntawv tais ceev tseg tau ntxiv rau lub desktop uas cov neeg siv tuaj yeem ntxiv cov ntawv thov tus kheej, thaum cov neeg nyob hauv Posta tau txais lub peev xwm los tswj ntau tus email nyiaj ib zaug. Hauv Lub Koob Yees Duab, lub peev xwm tsom los ntawm tapping ntawm cov zaub tau ntxiv. Cov ntaub ntawv los ntawm Wikipedia kuj tau pib tshwm sim hauv cov txiaj ntsig ntawm kev tshawb fawb thoob ntiaj teb, thiab cov ntaub ntawv geolocation kuj tau ntxiv rau cov duab thaij. Cov neeg siv kuj pom qhov tuaj txog ntawm FaceTime, Game Center thiab iBooks virtual bookstore nrog kev tuaj txog ntawm iOS 4.