It is a 256MB download, so hope you have a fast connectionApple Releases iPhone Firmware 2.0.1 - Mac Rumors
Not clear what has changed, but early claism are
- Backup process for the iPhone is much faster.
- Netshare still works
- SMS typing faster
Apple releases iPhone 2.0.1 Software Update - AppleInsider has a forum thread and here is what users are seeing:
-Contacts are now more responsive.
Sync problems are fixed. It will backup the first time you sync after the update. The updates after that for me have only synced data in about 15 seconds rather than requiring a backup on every sync before.
fixed the lagging keyboard in e-mail and texting
iPod lags are much improved as well.
Email loads appear to be quicker.
Browsing names in the address book, switching between the keypad, addressbook, voicemail is instantaneous. Thank God! Much faster all-around. The camera boots up in half the time it used to.