With the new generation iphone has introduced, such as iPhone 6S, iPhone 7 and so on, have been more and more users to abandon the use of iPhone 4S. However, Apple has not given up iPhone 4S. iOS 9 will be substantially optimized performance, iPhone 4S can still smoothly use. But an important part of the new version of iOS will prohibit modification of the operating system, to against malicious software attacks, which also makes it harder to jailbreak iPhone.
It is said that the next version of iOS and OS X systems will focus on performance and stability, rather than new features, Apple's older phones will be able to use the new system smoothly.
According to 9to5Mac website reported that, iOS 9 has been optimized for the iPhone 4S and iPad mini and other old equipment. Both these products are not smoothly running iOS 8. In the past, Apple will usually give up supporting for the old product, but this time, Apple has launched iOS 9 core version for these older products.
This is a major change in iOS system. Apple increasingly to encourage people to buy the old products, such as well-publicized iPhone 5C. If the latest version of iOS on the 5c can not run smoothly, then use the phone's user experience will be greatly reduced, the likelihood of their re-buy the Apple phone will be smaller.
To let older products run smoothly on iOS 9, can help Apple gain a higher market share in emerging markets, as these markets be longer in time people use mobile phones. To do this is good for the mini sales. While the iPad mini performance is not very strong, but it is still in sales.
Overall, iPhone 4S and other old models can smooth running iOS 9 is a good new, however, many users complained that their data like contacts, photos, text messages and more is lost after updating to iOS 9. In fact, the data loss is already accustomed to things. In the past, we often heard iPhone as well as iPad and iPod users complain that their data is lost in the process of upgrading the system, just like updating to iOS 7, iOS 8 and even the now iOS 9. Fortunately, recovering lost or deleted iPhone data is not a difficult task for most users, what you need is just a reliable and effectively recovery tool, iPhone Data Recovery is what your best and most ideal solution.
iPhone Data Recovery, or iPhone Data Recovery for Mac, the World's 1st iPhone, iPad and iPod Data Recovery Software that providing a full solution to recover deleted contacts, messages, photos, notes, bookmarks, etc. from iPhone, iPad and iPod touch. The program fully compatible with iTunes 12.1, iOS 9.2, iOS 9, iOS 8.3, iPhone 7, iPhone 6S, iPhone 6C, iPhone 6 and iPhone 6 Plus, iPhone 4S, iPhone 5/5C/5S and so on.
Please download and install it in free to your computer as follow.
Step 1.Launch the program and connect your iPhone with computer
Launch iPhone Data Recovery or iPhone Data Recovery for Mac on your computer after installation. Then use the USB cable that comes with your iPhone 4S/5/5C/5S to connect your iPhone to your computer. By default, the program will detect your device automatically and shows you the window for "Recover from iOS Device".
Step 2.Scan your iPhone for lost data on it
Simply click the "Start Scan" button to let this iPhone Data Recovery software scan your iPhone, to scan for deleted or lost data. The scanning process may may take some time, depending on the amount of data on your iPhone. During the scanning process, if you see that the data you're looking for is there, then you can click the "Pause" button to stop the process.
Step 3.Preview the scanned data and recover what you wanted selectively
The scanning will not spend too much of your time. Once it's finished, you can see a scan result generated by the program. Data both lost and existing on your device are displayed in categories, now you are allowed clicking to preview them one by one. After that, just mark those what you want and click on “Recover to Device” or "Recover to Computer" button to get them all back.
Note: By default, the recovered data will be saved to your computer. As for text messages, iMessage, contacts, or notes, when you click Recover, a pop-up will ask you to "Recover to Computer" or "Recover to Device". If you want to put these messages back to your iOS device, click "Recover to Device".
More About The iPhone Data Recovery: Supported Files
Recover Camera Roll (Photo & Video),Recover Photo Library, Recover Photo Stream , Recover Messages ,Recover iMessages , Recover Contacts , Recover Notes ,Recover Call History ,Recover WhatsApp History, Recover Reminders, Recover Voicemail, Recover Voice Memo , Recover Safari Bookmarks , Recover Calendars , Recover App Videos , Recover App Photos , Recover App Documents