Although You Can Update Applications On Your iphone Directly From The Phone, It Is Faster To Download App Updates Through itunes On Your Computer. This Is True Particularly If The Application Update Is Too Large To Download Using The cellular Network Or If You Have A bad Signal That Slows Down The download Speed Of The App Update. According To "iphone For Dummies," Once The App Updates Have Finished Downloading They Will Automatically Transfer To Your iphone The Next Time You Connect Your Phone To Your Computer.


Requirements:
● iTunes 8.0 or later
● iPhone USB cable


►step 1 Open Itunes, And Click The "applications" Tab Underneath The "library" Section In Itunes' Side Window.

►step 2 Click The "check For Updates" Link Located In The Bottom-right Corner Of The itunes Window. Alternatively, itunes May Display A "# Updates Available" Link. Click The "download All Free Updates" Button To Begin Downloading The Application Updates.

►step 3 Connect The iphone To Your Computer By Plugging The Docking Cable Into The Bottom Of The iphone And Your Computer's Usb Port.

►step 4 Click "file" At The Top Of The itunes Window, And Click "sync" To Synchronize Your iphone To Itunes. The Applications Will Automatically Transfer To The iphone If Your Synchronization Settings Are Configured For Application Synchronization.

►step 5 Access Your sync Settings, Click The "iphone" Tab In The Side Window And Click "applications" In The Main Window. Click The Box Next To "sync Applications" And Click The Circle Next To "all Applications" Or "selected Applications." If You Wish To sync Selected Applications, Click The Box Next To The Application's Name And Click The "apply" Button At The Bottom Of Itunes.

►step 6 Click The "eject" Button Next To The "iphone" Tab To Unplug The iphone From Your Macintosh Or Pc.