IPhone Dev Team firmware images to user-defined specifications. These firmware images often contain the APT interface Cydia as well as additional APT packages. Although PwnageTool is only for Mac OS X, a Microsoft Windows version called WinPwn was developed but is now retired. PwnageTool is freeware but not open source, and as mentioned inside the application, is copyrighted by the iPhone Dev Team. IPhone Dev Team The iPhone Dev Team was a group of engineers in the iOS (formerly "iPhone OS") community which had developed several tools to enable use of applications not authorized by Apple Inc on the iPhone, iPod Touch and
IPod Touch to the iPod Touch as "training wheels for the iPhone". All iPods lack Touch ID, 3D Touch, NFC, GPS, an earpiece speaker and a noise-cancelling microphone. Depending on the generation, the iPod Touch may have a smaller or inferior display and camera(s). Newer models (5th and 6th generation) lack the ambient light sensor that makes automatic brightness available. Older models lack a built in speaker, a microphone, a camera, and a flash. No iPod Touch has a modem through which it can place phone calls or send SMS and MMS. However, 5th and 6th generation models can either piggy-back on