• Enables Bluetooth Dial-Up Networking
• Updates VersaMail to version 3.1 to enhance stability and add improvements
• Adds support for more Bluetooth carkits including Acura, BMW, Chrysler, Toyota Prius (see all compatible car kits)
• Reduces post-dial delay before a call is connected
• Send SMS messages from Missed Call Alert or Call Log
• Now there's a new user guide that incorporates the changes after running the Treo 650 Updater: Treo 650 User Guide (PDF)

Users are reporting the following improvements:

• Keyboard lights now brighten and dim along with the screen.
• Digitizer much improved but still not 100%.
• More available memory than with 1.08, so they may have improved it further
• Dialing is in fact dramatically faster

Also included from the previous version (released March 2005):

• Optimizes memory handling and frees up more memory with non-volatile file system improvements (learn more)
• Overall voice quality improvements and enhanced call clarity
• Internal setting modification to allow correct access to Sprint Affiliate roaming partner networks (previously released as Sprint PCS Treo 650 Roaming Patch)
• TTY (also known as TDD or Text Telephone) optimizations and improvements
• Optimizations for data calls
• Bluetooth Carkit drivers are now included in ROM (previously released as Carkit Update for Treo 650)
• Bluetooth Headset Volume Increased

The TreoCentral Staff recommends that anyone upgrading follows the alternate installation instructions.

• Optimizes memory handling and frees up more memory with non-volatile file system improvements (learn more)
• Updates VersaMail to heighten stability and add improvements
• Overall voice quality improvements and enhanced call clarity
• Latest carrier settings files
• Bluetooth Headset Volume Increased

The TreoCentral Staff recommends that anyone upgrading follows the alternate installation instructions.