As some of you may already know, a tweak was discovered that enables HD video recording on iPhone 3GS. The process was very lengthy and difficult for some but others managed to do this little trick in no time. A person named Pierre-Andre Leckair, released the edited script on Cydia so you non-geeks can get this done easily, but there’s still a few things that you need to do.
NOTE: I tried this but it didn’t work for me as I have iOS 4.0.1 and this only works on 4.1. If this worked for you, leave us a comment below. We’re not responsible if you mess up your iPhone, so be cautious.
Step 1. Launch Cydia, tap “Manage”, then “Sources”.
Step 2. Press the “Edit” button on the top right and then press the “Add” button on the top left.
Step 3. Add this source: http://repo.hackyouriphone.org and press “Add Source”.
Step 4. When the source is downloaded and refreshed, press the newly added source and find your way to the bottom of the page.
Step 5. Somewhere at the bottom you will see a package named “3Gs HD Video Enabler”.
Step 6. Download and install.
You now should have HD Video recording on your iPhone 3GS. Let us know if this worked.