ROOTING THE ANDROID DEVICE Hope y'all doing fine, My question may be so lame sorry but wanted to know the answer.. how to root a android device I have mobile of Sony Ericsson Xperia Mini (ST15i) I bought that before 3 years, still use the thing it's still good working condition but on the latest update of the software which it sucked all my internal memory now i have only 100 MB to usable and latest update of Facebook alone is 25 MB + extra data 30 + cache 10 MB and total is 65 MB (rough calculation) so thought of removing the unwanted default apps which came with the update which were uninstallable searched for removing, XDA Developers  said that the best bid is to root our device and so can you guys please guide me how to root I checked with SuperOneClick it never worked
So, here I will be trying to help you real fast by directly dropping you over to the thread over stack exchange How to root the Xperia Mini ST15i. 

PS: Updated the link.