The hack, Siri0us, enables the voice transcription portion of Siri on these older devices. Siri0us adds the iPhone 4S’s microphone icon to the keyboard. Press the mic icon, speak, and your words will be dictated.
Siri0us isn’t to be confused with a full port of Siri; the artificial intelligence assistant is missing. The experience, however, is identical to using Siri dictation. Siri0us connects to Nuance’s servers, also believed to be powering Siri, bypassing Apple. There are Apple safeguards, such as the requirement of a live iPhone 4S validation token, that prevent a packaged direct port of Siri.
How to install
- You will need a jailbroken iPhone 4, iPhone 3GS, or 4th generation iPod touch. This guide has instructions for jailbreaking iOS 5.
- In Cydia, open the Manage tab. Open Sources, Edit, and add:
- Search Cydia for Siri0us (with a zero).
If your device resprings several times, use iFile or SSH to remove the following file: