I just saw this on TMO
www.t-mobile.com\blackberrynews
T-MOBILE USA STATEMENT ON RIM v. NTP LITIGATION
On Friday, March 3, Research In Motion (RIM) and NTP jointly announced that they have settled their long-running patent dispute. This averts a possible court-ordered injunction of the BlackBerry system, and there no longer is a potential need for RIM to implement its ‘workaround’ software upgrade. Therefore, T-Mobile BlackBerry users need not take any action, and should continue to use their BlackBerry devices and service and they normally do.
We’re pleased that the RIM/NTP dispute has been resolved, so that our customers remain assured they will continue to benefit from the same, robust T-Mobile BlackBerry experience to which they are accustomed. T-Mobile looks forward to continuing to provide innovative service to our current and future BlackBerry customers.
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Hopefully they will release OS 4.1 soon