-Extended Video Duration-
Connect your phone to your pc via USB. Open Bitpim. (or P2Kcommander) Go to Filesystem Tab Navigate to brew/mod/arcmedia Right click on arcconfig.ini file and Save it to your desktop Edit the file using notepad or any text editor (Find the line VidDuration and change the number to 120) Save the file In bitpim right-click on arcconfig.ini file and choose Overwrite. Pick the file from your desktop. After it overwrites, close bitpim, unplug phone, and thats it.

When recording video, the counter will go to 00:59, then 00:00, and it will keep going untill it reaches 00:00 2 times.

Step by step instruction credit goes to Blazer380

Four Minutes (setting VidDuration to 240) Takes up about 2.5 MB on your card, so if you do the math, you could set it long enough to record for hours, and still have room on a 1 GB card.