The iPhone 2.1 software update in now available to update your iPhone 2G and 3G in iTunes. The iPhone 2.1 software update contains many bug fixes and improvements and is a highly recommended update. To get it, connect your iPhone to your computer using iTunes 8 and click Check for Update. Here are a list of updates.

Decrease in call set-up failures and dropped calls

Significantly better battery life for most users

Dramatically reduced time to backup to iTunes

Improved email reliability, notably fetching email from POP and Exchange accounts

Faster installation of 3rd party applications

Fixed bugs causing hangs and crashes for users with lots of third party applications

Improved performance in text messaging

Faster loading and searching of contacts

Improved accuracy of the 3G signal strength display

Repeat alert up to two additional times for incoming text messages

Option to wipe data after ten failed passcode attempts

Genius playlist creation

via Mobility Today