: Bypasses the initial activation screen, which was particularly useful for using an iPhone as a media player without a cellular plan. Graphical Interface (GUI)

Disclaimer: ZiPhone was designed for iPhone 2G and iPhone 3G running early iOS versions (circa 2008). Do not attempt to use this on modern iOS devices, as it can cause permanent damage. What is ZiPhone?

: Bypassing the need to connect to iTunes and sign a contract with authorized carriers like AT&T to use the device's features.

| Version | Release | Compatibility | |---------|---------|----------------| | ZiPhone 2.5c | Early 2008 | iPhone OS 1.1.4 | | ZiPhone 3.0 | Mid-2008 | iPhone OS 2.0 | | ZiPhone 3.0b (beta) | Late 2008 | iPhone OS 2.1 |