New palm update for Treo 650 users, unlocked version. This update is said to improve the voice quality and device performance when using heavy data usage.

Performance enhancements:

• Improved memory handling for opening larger web pages
• Optimized Bluetooth performance and added support for additional headset or carkits
• Improved voice quality
• Improved device performance for heavy data usage such as email or web downloads.
• Includes Versamail 3.1E, the latest version for the Treo 650 smartphone including an updated Mail Service (ISP) list which includes Gmail support
• Added support for Gmail attachment downloads via web browser
• Improved performance and increased stability with third-party email solutions that are offered directly from carrier partners
• Added support for wired carkits
• Updated carrier settings for data connections and MMS or when roaming internationally
• Masked password entry in browser to increase privacy
• Improved customizable voice or sound recordings for specific callers

Get it here

http://www.palm.com/us/support/downloads/treo650updater/unlockedgsm.html