Well your not late, but surprised you haven't been around before.

USB port maybe fixable, it's advisable to reinforce them anyway.
http://talk.maemo.org/showthread.php?t=75920

As for modem issues there are multiple threads on the matter.
The correct way to fix is to "reball/reflow" the motherboard, AFAIK nobody has done this yet.

Paper in the battery tray, two sim cards stacked, hammer and a center punch and pen springs have all been used as "solutions" before now.