iPhone MessageUI Framework

In iPhone App Email and MessageUI link

iPhone Web Service

Post a UIImage to the web

iPhone 4 [3G connectivity only]

iPhone 4 [3G]

iPhone 4 stands for Operating System Version 4, its a 3G connectivity mobile, not an 4G connectivity.

iPhone 4 Comparison,

iPhone 4 vs. HTC Evo 4G

iOS 4 Firmware Downloads

Firmware download

iOS4 for iPhone

iPhone OS 4 direct firmwareDownload

iOS4 for iPod 3G

iPod touch OS 4 direct firmware Download

How to restore or update your iPod/iPhone/iPad:

After downloading the desired firmware below, you can shift-click (PC) or option-click (Mac) theRestore or Update buttons in iTunes. A file dialog will open and let you choose the downloadedipsw-file.

Note: Your browser may change the ipsw-file into a zip-file. In that case, just rename it to end in.ipsw and iTunes will accept it.

One more method to update the iPhone/iPod/iPad OS, click here

How to check the Wifi and Internet connection in iPhone/iPad?

To monitor the network state of an iPhone or iPod touch. In particular, it demonstrates how to know when IP can be routed and when traffic will be routed through a Wireless Wide Area Network (WWAN) interface such as EDGE or 3G, Download the sample project.

Network Activity indicator in iPhone/iPad Status Bar

To start the Network Activity Indicator animation:

[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;

To stop the Network Activity Indicator animation:

[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;

Basic iPhone application Development

Sample Flip View in iPhone Apps

Creating a UIButton with a page turn animation

Basic Multiple XIB file creating in iPhone

Basic iPhone Calculator Application