Sierra 7C108b

This article discusses software internally used by Apple. Acquiring a copy without Apple's consent is illegal and may result in being scammed. Engaging in illegal activity is not condoned. This information is provided for educational purposes only.

A 3.1.X based firmware used for testing iDevices. Found on an iPhone 3GS.

iPhone 3GS running 7C108b

Toolkit

After booting up, SwitchBoard.app screen shows up allowing you to choose different options.

They consist of:

• ATCommand (Shown as AT Commands in this firmware)
• BurnIn
• LcdUTest
• Operator
• Soundwave

Soundwave crashes SwitchBoard.

Binaries

The firmware includes standard set of UNIX binaries. apt-get is present suggesting that there is an internal APT repository.