With iOS 9, youll need a lot less free space on your phone to be able to install the upgrade. Now one may argue that running iOS 9 on an older device (like an iPhone 4S), isnt going to lead to a great experience — and that person would have a point. Having said that, Ive run iOS 9 betas on an iPhone 5S, an iPhone 6, iPhone 6 Plus, an iPad Air and an iPad Air 2,and all performed extremely well.第九代苹果操作系统手机加装改版软件内存占用空间小。现有人认为在老版苹果手机(如苹果4s)运营第九代操作系统时无法有很好的体验——这个人或许上说道中了要点。

基于这个评论，我在苹果5s。苹果6，苹果6+，iPad Air 和iPad Air 2都加装了第九代操作系统，无一例外，都运营得棒棒哒。lets talk about the features.现在我们就来闲谈一聊第九代苹果操作系统的特征吧。Siri is everywhere...and shes goodSiri (语言操作者功能)无处不在，而且她知道有趣。

With iOS 9, Siri gets a big upgrade and shes a lot more like an actual assistant now. Thats important because Siri is now featured throughout iOS 9.第九代苹果操作系统较小升级了语音操作者功能，她现在更加看起来一个确实的助手了。这一改版很最重要因为现在整个第九代操作系统仅次于的特征就是语音操作系统啦。Siri can answer contextual questions now, too. You can ask for a game score and then follow up by asking when the team plays again, without having to restate your question. This is awesome.现在Siri也可以问前后关联的问题啦。

你可以问一场赛事的分数，之后还可以问这个队什么时候还不会有比赛，而且还不必重述你的问题。棒，棒，棒!Notes is new记事本应用于改版Apple also overhauled the Notes app, making it a lot more robust. You can insert photos, draw with your finger, add maps, create lists and it supports rich-text features.苹果同时也革新了记事本应用于，使之更加灵活性。你可以放入图片，用手指画画，创立列表，同时反对各种文本格式。

Apple News is here苹果新闻应用于来啦Apple is getting a brand new app with iOS 9, and thats Apple News. Apple has already signed with a bunch of publishing partners and the app performs well and is a fast way of reading well-formatted news on your phone or tablet.第九代操作系统追加了一个全新的应用于——苹果新闻。苹果早已和一大批出版发行合作商签定条约，并且该应用于运营得非常好，需要在苹果手机或平板上较慢地读者早已公布的新闻。Performance and battery life性能和电池寿命Theres a new Low Power Mode that will help you get the most out of your battery life.第九代操作系统还有一个新的“低电量模式”，需要协助你将电池电量充分发挥到淋漓尽致。

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