General Newbie to rooting. be gentle :(

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http://androidforums.com – I recently got fed up with my college WiFi and think ill have better speeds over my phone network then fighting 300 students on one connection. Anyway some Google work and it led me here and i will say first from what i have read so far a lot of you are very kind and respectful to us newbies and i would like to say thank you first. Now i have the HTC evo V 4g from virgin and want to get free hotspot and the guides i have looked at talked about unlocking this and that. Is all that necessary to unlock the wifi or is it needed for other options like ive noticed some nice widgets on the screensho (General)