What is the difference between ios 4.1 and 4.3.3

PC Free activation — no more need for PC: activate your device wirelessly and do more with your Photo and Camara apps right from the screen — OTA software upgrades — On screen camera apps — Do more on screen like on screen photo editing — Back up and restore via iCloud Enhanced Game Center — more features added — Post your profile picture — New friend recommendations — Find new games right from Games Center — Get on the spot overall achievement score Multitasking gestures for iPad 2 — Multi finger gestures — New moves and short cuts like swipe up for multi tasking bar AirPlay Mirroring — Support for video mirroring Innovative new features for differently abled people — Work with specialized hardware accessories for differently abled — LED Flash and custom vibration to indicate incoming call — Custom element labeling Support iClouds — iCloud wirelessly pushes files across multiple devices managed together.

New Improvements: 1. No back up of the location database to iTunes. The location database cache size reduced. The location database cache will be deleted entirely when Location Services areis turned off. Fixes an issue that occasionally caused blank or frozen video during a FaceTime call 2. Contains the latest security updates a. Improvements and Bug fixes 1. Fixes an occasional graphics glitch on iPod touch 4th generation 2. Resolves bugs related to activating and connecting to some cellular networks 3.

Resolves an issue authenticating with some enterprise web services. New Features 1. You can play it direct without download or sync 3. Preference for iPad Switch to mute or rotation lock 6. Parental Control — users can restrict access to some applications. Improvement to message setting — you can set the number of times to repeat an alert. Multitasking This is a method of sharing common processing resources such as a CPU to multiple applications. If they allowed only d Local notifications — Application and alert users of scheduled events and alarms in the background.

Airprint AirPrint makes it simple to print email, photos, web pages, and documents right from your iPhone. Airplay AirPlay lets you stream digital media wirelessly from your iPhone to the new Apple TV or any AirPlay-enabled speakers and you can watch movies and photos on your widescreen TV and play music through the best speakers in the house.

Find my iPhone The MobileMe feature helps you locate your missing device and protect its data. Game Centre It allows you to find friends to play or auto match someone to play with you in multiplayer games. Keyboard and Directory enhancement iOS 4. Folders Organize apps in to folders with drag and drop feature 9.

Messages with text tone Assign custom 17 tones to people in the phone book, so that when you get SMS without looking at the text you can identify who sent it. New updates: Contains the latest security updates 1.

Features Updates and features incorporated from previous versions 1. Home screen Folders 2. Unified Inbox and threading for Mail 3. Personal Hotspot carrier dependent, not available in all areas, additonal fees may apply 4. Spotlight search 5. Custom text tones — offers 17 additional text alert tones 6. Multitasking 7. Game Center 8. Bluetooth keyboard support 9.

Home screen wallpaper Data protection Over-the-air Notes sync Double-click the canvas to zoom out to see the entire storyboard. When frame capture is enabled in the scheme for the application, the debug bar provides a new control for entering the OpenGL ES frame debugging view. To enable this feature, you must run the application on a device and the device must be running iOS 5.

Set the destination in the scheme menu to an iOS device and choose Edit Scheme from the scheme selector in the toolbar. Click that button to capture a frame. Step through the state calls that precede each draw call to see exactly how the image is constructed.

The debug navigator has a list of every draw call and state call associated with that frame. The buffers associated with the frame are shown in the editor pane, and the state information is shown in the debug pane.

You can step through draw calls in the debug navigator, or by using the double arrows and slider in the debug bar. When you use the draw call arrows or slider, you can have Xcode select the stepped-to draw call in the debug navigator. To do so, Control-click below the captured frame and choose Reveal in Debug Navigator from the shortcut menu. You can also use the shortcut menu to toggle between a standard view of the drawing and a wireframe view.

The wireframe view highlights the element being drawn by the selected draw call. Open the Assistant editor to see the objects associated with the captured frame. In the Assistant editor you can choose to see all the objects, only bound objects, or the stack. Open a second Assistant editor pane to see both the objects and the stack for the frame at the same time. Double-click an object in the Assistant editor to see details about that object.

For example, if you double-click a texture object, you can see the texture in detail. As of Xcode 4. To set a location, choose Edit Scheme from the scheme selector in the toolbar, select the Run action, and click the Options tab.

You can then choose a location from the Location menu. In addition, if you are running an application for iOS 5. To improve download time and installation efficiency with Xcode 4. Xcode presents you with a dialog when the simulator needs to be downloaded. Documentation preferences has consequently been replaced with Downloads preferences, including both documentation and components simulators and SDKs. Using the Components tab of the Downloads preferences pane, you can view a description of each available component, download and install it.

This version of Xcode is distributed as a single application bundle, Xcode. Installing Xcode 4. These changes make it easier for you to install and update Xcode using the standard Mac App Store mechanism.

The Xcode 4. For your convenience, you can also add these tools to the Dock to allow direct access. The command-line tools are not bundled with Xcode 4. Instead, they can be installed optionally using the Components tab of the Downloads preferences panel. The simplification afforded by repackaging Xcode 4. As a result, the Install Xcode application and the uninstall-devtools command line script are also no longer needed. Sample Code. Plug-ins, templates and other sub-components. For example, Instruments templates—files such as Automation.

Other standalone utility applications and add-on technologies. Several additional tools are no longer part of the default Xcode installation, they are now downloadable as separate packages. The More Developer Tools menu command provides a direct jump to developer. New Cocoa projects created in Xcode 4. It can be disabled by deselecting an option in the Interface Builder design canvas:. Otherwise, Xcode 4.

Additional improvements to Xcode robustness and reliability have been incorporated. See Xcode Release Notes — Archive for more detailed update information. Xcode supports backward deployment of code that uses the literal syntax and object subscripting to OS X v The default synthesize feature requires no special SDK or runtime support. The static analyzer engine can find complicated bugs that span function boundaries using interprocedural analysis. More exhaustive memory checks are made to malloc -related memory management and the detection of insecure API uses.

The Scene Kit editor allows you to preview and fine-tune the 3D scenes, and play embedded animations. You can also inspect 3D scenes for information to use in your source code. Code completion now has an integrated form of QuickHelp with a short description of each item in the list based on the documentation or the specific code snippet.

Integrated within the code completion window, it is displayed in a section either above or below the code completion list. Xcode can offer symbols during code completion that haven't yet been included or imported in the current file the framework was added to the project, but the import was not included in the file.

When possible, Xcode will use umbrella headers for auto import completions and will denote not-yet-linked symbols with a error indicating which binary needs to be linked. It is a known limitation that auto import completions are available only for symbols that are already visible in at least one file in the current workspace. If necessary, this can be turned off in the Text Editing preferences. Improvements and Fixes included in Apple iOS 4.

Fixes an issue that occasionally caused blank or frozen video during a FaceTime call. This is to protect from an attacker with a privileged network position who may intercept user credentials or other sensitive information. Fix for WebKit issue — Fix for unexpected application termination or arbitrary code execution when visiting a maliciously crafted website. Your email address will not be published. Leave a Reply Cancel reply Your email address will not be published.