Tips: May want to be a little more clear on "SDK Directory". Some may think that you "must" have this directory, but all that is important to know is that you know the directory where the contents were placed... If that IS the case, then I'd mention that...
Also, might be important to mention the phone should already be plugged in, and should have prerequisite of ADB working...
: T-Mobile Samsung Galaxy S3 (SGH-T999)
: Official stock JB from T-Mobile
: Acer Iconia A500
: CM10 Jelly Bean 4.1
: Thor's 1.7 Touch Recovery of CWM
If I do not Thank your thread, it's because of the XDA Classic forum theme, sorry...