According to an article on Sprint's support site, the keyboard-slider HTC Arrive will be getting the Windows Phone 7.5 (Mango) update tomorrow, right in line with other Microsoft-powered devices. The update be delivered only via the desktop Zune software, and if you want to know when the update hits, you'll need to keep the system update notifications switched on on your phone. We're including Sprint's list of improvements in 7.5 below the fold, though if you've read our extensive look at Mango, you wouldn't even need to keep reading.

  • Threads - Lets you switch between Text, Facebook chat, and Windows Live Messenger within the same conversation.
  • Groups - Organizes your contacts into personalized Live Tiles for status updates on Start and to quickly send a text, email, or IM to the whole group.
  • Social Network Integration - Integrate Twitter and LinkedIn feeds into contact cards.
  • Linked Inbox - View multiple email accounts in one linked inbox.
  • Hands-free messaging - Built-in voice-to-text and text-to-voice to support hands-free texting or chatting.
  • Live Tiles - Improved Live Tiles let you receive real-time information from apps without having to open them.
  • Multitasking - Lets you switch between Apps that are running and enables apps to run in the background to help preserve battery life and performance.
  • Internet Explorer on Windows Phone 7 - Includes an Internet browser based on Internet Explorer 9 including support for HTML5.
  • Local Scout - Pinpoint search results and recommendations for nearby restaurants, shopping, and activities.
  • Bing Enhancements- Includes Bing Vision, Music Search, and Voice.
  • Quick Cards - Get a quick summary of relevant information including related apps.