Apple has released the iPhone 2.1 software update contains many bug fixes and improvements. This update has been highly anticipated, because it’s supposed to fix issues with dropped calls, battery life, and accuracy of the 3G signal strength. Three prominent new features come with the 2.1 firmware. Most notably, the Genius song recommendation functionality introduced with iTunes 8 is now accessible from the iPhone, allowing for the automatic creation of playlists of songs that are similar to one another. Another feature repeats text message alerts up to two times after a text message is received if a user does not check it the first time the alert sounds.
The third new feature in 2.1 is designed for that those worried about the disclosure of data after losing their phone. Users can enable a wiping feature, which causes the iPhone to wipe itself clean by deleting all information after an incorrect passcode is entered ten times. To get it, connect your iPhone to your computer using iTunes 8 and click check for update.
More info: iPhone 2.1