Siri is one of those features everybody loves to have on their iDevices including iPhone, iPad and iPod Touch. Fortunately, we have found a successful port which will give you the complete GUI and the connection with Apple servers. If you would like to port, fully working Siri on your iPhone 4 (GSM/CDMA) and iPod Touch 4G follow our instructions below. Please note that the Siri port is currently available on iPhone 4 (GSM/CDMA) and iPod Touch 4G so anyone who is using iPhone 3GS, iPad 2 or iPad 1, or iPod Touch 3G will not be able to get their hands on this port.

To fully port Siri on your iPhone 4 or iPod touch 4G, you will of course need a jailbroken iPhone. To jailbreak your device (tethered) on iOS 5 you can follow a complete guide here.
Below are the instructions on how to fully port Siri on your iPhone 4 or iPod Touch 4G.
Step 1: After jailbreaking your device successfully, tap and launch Cydia.
Step 2: Once you have finished Jailbreaking head over to the Cydia Site . Follow these steps, Manage>Sources> Edit, then press “Add” http://www.cydia.be OR http://www.iphone3gsystem.fr/cydia.

Step 3: Now head back to the Cydia site and search for H1Siri. Once found install it. Please be patient, it may take a little while.

Step 4: Once completed, reboot your iPhone 4 or iPod touch 4g
Step 5: Now go to the settings, click general followed by Siri then switch it on.







