That move could help spur sales for enterprise users, as well as global travelers that like to switch out SIM cards overseas and avoid paying horrendous roaming charges to AT&T or T-Mobile.
The Treo Pro is a solid smartphone even in unlocked form, as I found in my review. It's quad-band EDGE and tri-band UMTS/HSDPA device with a 400 MHz CPU, a reasonably comfortable keyboard, and some subtle but significant UI enhancements on top of Windows Mobile.
Sprint's subsidized version of the Treo Pro remains at $200 with a two-year contract--in that case, it's a tough sell against the stellar Palm Pre.
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