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 iPad, and to enable use of the iPhone on GSM carriers not contracted by Apple. These applications provided owners with the ability to sidestep the limitations placed on the devices by the manufacturer, allowing for activities such as deep customization and easy international roaming. The group and their tools became emblematic for these activities, which are termed jailbreaking and SIM
IPhone placement of the microphone and speaker on the base on the unit—the speaker is on the right. Volume controls are located on the left side of all iPhone models and as a slider in the iPod application. The 3.5mm TRRS connector for the headphones is located on the top left corner of the device for the first five generations (original through 4S), after which time it was moved to the bottom left corner. The headphone socket on the first-generation iPhone is recessed into the casing, making it incompatible with most headsets without the use of an adapter. Subsequent generations eliminated