I was recently asked to fix a GOPRO HERO2 whose TV pin was broken inside the 2.5mm jack. This is what finally worked for me. It's based off of a similar very long winded video for a 3.5mm headphone jack. Since I like getting to the point, here it is: Find a sturdy shaft that fits inside the 2.5mm jack and can be modified. I chose a wooden Q-tip. A mixing straw or part of a Bic pen may work,...
GOPRO HERO3 Black Firmware revision 03.03.03 is now available as of 7/29/2013! The latest gopro HERO3 firmware is located here on their site. I recommend checking that you have the latest GOPRO HERO3 firmware by following these instructions. This is the list of the latest GOPRO HERO3 updates. The latest release is pretty damn sweet! I've used if for a few weeks without a single bad video or missed still session! NOTE: It appears gopro has moved to recommending LEXAR 600x class 10...
