Sierra 7C108b

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SwitchBoard on Sierra.

A 3.1.X based Firmware used for testing iPhone devices. Found on an iPhone 3GS.

SwitchBoard

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

They consist of:

  • AT Command
  • BurnIn
  • LcdUTest
  • Opertor
  • Soundwave

Soundwave crashes SwitchBoard.