We've all been awaiting the arrival of OS 7.1 to drop for one specific feature, Mobile Hotspot. This allows your BlackBerry to serve as a WiFi hotspot to other devices. Our wish was granted yesterday with 7.1.0.74 leaking, this is an early build of what we are hoping is an OS coming to a carrier near you. This quick video walkthrough shows Mobile Hotspot running on a Bold 9900 with the leaked OS.

I've very excited about this option because now when I'm using the web on my BlackBerry PlayBook, my web speed is not limited to the speed of Bluetooth. Now with Mobile Hotspot I can better take advantage of the 14.4Mbps modem in my Bold 9900. In the walk though video we see the web running on my PlayBook (cracked screen and all).

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