iOS 5

Development History

Beijing time early June 7, 2011, Apple released an IOS 5 operating system at the 2011 Apple Global Developer General.

Beijing time on October 13, 2011, Apple officially pushed iOS 5 system.

Beijing time May 7, 2012, iOS 5 pushes iOS 5.1.1 update.

System function

• notification center

iOS 5 support notification Center, push from the top of any screen, you can view all notifications in the Notification Center. The newly received notification will be displayed on the top of the screen in a short time, or you can view the notification from the locked screen. In addition, the notification application icon slides from the left side of the locked screen to the right side, you can go directly to the application.

• iMessage

iOS 5 supports iMessage function, you can send up to other iOS 5 users Limited text information, photo information, and video information, you can consult the status of the delivery receipt and the read receipt to track the status of information, support group information and secure encryption.

• News magazine

iOS 5 supports newspapers and magazines, can be on the "home screen" Automatically organize the newspaper magazine subscribed to the subsequent newspapers, and support the new newspaper magazine in the background.

• Alerts

iOS 5 supports reminders, you can use "Overview" Treatment and synchronize with iCloud, ICAL and Outlook. iPhone 4, iPhone 4S supports location-based alerts when devices leave or reach a location.

• camera

iOS 5 upgrade the camera function, iPhone 4S, iPhone 4, iPhone When the 3GS and iPod Touch (fourth generation) are in sleep, then press the main screen button to quickly call the camera quickly, and the camera can be used to shoot, and the grid line can be used to provide coordinate reference when taking pictures. Support for kneading or open your finger on the preview screen, you can also push the preview screen to view photos in the camera film. Gallery, cutting, removing photos red eye, improve photos, organizing photos into enumerations.

• Mail

iOS 5 upgrade the mail function, you can set the text format of the message For bold or italics, or add an underscore to text, control the indented level, dragging the name in the address bar to rearrange, can mark the message as a flag, and labeled a large number of mail as a flag, read Or unread, you can also customize the reminder sound of the message, support S / MIME (secure multi-purpose interi mail expansion protocol).

• Calendar

iOS 5 improves the calendar function, tap, click to create an event Support for viewing and adding event attachments.

• Game Center

iOS 5 enhances the Game Center function, you can use your personal photo In the Game Center account, support compare the overall achievement score of your friends, but also supports friends who recommend friends and friends in Game Center in Game Center, but also find new games through their own game.

• Multi-task gesture (for iPad)

iOS 5 Develops multi-tasking gestures for iPad, four fingers or five fingers can go to "home screen", push up to display multi-taskbar, and push to switch applications

• Cloud Service

iOS 5 supports iCloud, iTunes cloud service, support photo stream, document cloud service. iCloud Cloud Services provides 5GB free storage for users such as iPad, iPhone, in addition to providing email, calendars, and contacts, can be stored in the cloud in the cloud. Through the same apple ID, you are also shared in different iOS devices or even Mac OS X devices. iTunes Cloud Services supports automatic download applications and books and retains the purchase history.

system version

version number

Published time

August 20, 2011

Official version

Hardware requirements

on October 12, 2011, iOS 5 supports the following machine Type:

• iPhone 4S

• iPhone 4

• iPhone 3GS

• ipad 2

• ipad

• iPod touch (Fourth generation)

• iPod touch (third generation)

system evaluation

• On iOS 5, Apple added the PC FREE function to the first time, support iOS devices to synchronize, data transmission, etc. in WiFi wireless way and PC, which means Starting from iOS 5, we finally don't have to be bothered by the cable. ( Nanfang Daily comment)