Traditionally iPhone 3GS video recording capability is limited to VGA 640×480 resolution, although 5.0 MP image sensor installed on the iPhone 3GS supports much higher capability. 720p high definition recording is something that is reserved for the newer generation iPhone 4. Thanks to a clever hack it is actually possible to enable HD recording on the iPhone 3GS. I am sure some you might be thinking that is not something new because this tweak has been known for quite some time. However, the original tweak was only working till iOS 4.2.x. As users started to migrate to the newer iOS 4.3.x releases, they noticed that tweak don’t work anymore. But now it seems that the same tweak with some minor modifications can be used to enable the HD recording on the iPhone 3GS even on iOS 4.3.3 (or 4.3.2)! I have personally tested this tweak, and I can confirm that this tweak does work on iPhone 3GS iOS 4.3.3 and improvement in quality is also noticeable!
Take a look at the sample video taken using an iPhone 3GS with HD video hack enabled:
Here is the guide to enable the HD recording. Note that basically you have two choices either you can enable the 720p (1280×720) mode, or 1080×800 mode. Actually, I suggest to enable the second mode since iPhone 3GS originally support 4/3 aspect ratio and this mode will not squash your video output. As bonus this tweak will also double the encoding bitrate of the recorded video to give much higher video quality! So, these things aside lets move to the actual procedure:
First download the HDVideo3GS 4.3.2 Awesome .zip file and extract the contents.
Step 1. First Jailbreak your device and install afc2 from Cydia. If you are not sure how to jailbreak follow any of our latest guides in the jailbreaking section.
Step 2. Now download the iPhoneBrowser from http://code.google.com/p/iphonebrowser/. You can also use iPhone Explorer or any other similar browser that provides file system access to the iPhone through USB. You can even use SSH to connect to the device (then you don’t need step 3).
Step 3. Connect your phone to the computer via USB cable.
Step 4. Browser to /System/Library/PrivateFrameworks/Celestial.framework/N88/
Step 5. Replace the 4 plist files from the HD folder in HDVideo3GS 4.3.2 Awesome .zip file.
Step 6. Decide if you want 720X1280 0r 800×1080 and browser to /System/Library/Frameworks/AVFoundation.framework/N88 and overwrite the AVCaptureSessions.plist
Step 7. Respring your iPhone 3GS.
Step 8. Enjoy the HD video recording on your iPhone 3GS!
[Thanks to azharhamzahya and blog.mikepan.com]
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