I have a broken headphone jack explained in my other thread. I would like to ask a few questions pertaining to that, and other. 1) I have a few tools to use. My Stainless Steel Pocket Knife with several knives and tools to use to crack the back open. Would this be ideal, even safe to use? (I mean Safe as in damage to the aluminum casing) 2) If I pop the back off, will any harm come to the parts inside? 3) Is there any procedure I should follow before/while opening it up? 4) When I open it, will I have access to the earphone jack? 5) When I put the casing back on, how would I make it stick back to the top casing? (Glue?) 6) Will I be able to pull the right pin of the earphone jack out for it to work? Thanks in advance.