SundanceNanshan 10A23941a

Origin
This Build is likely based on an internal build of iOS 6.0. The serial number in  shows up as a product that has been replaced in Apple's checkcovrage. Suggesting the idea that this firmware was used for diagnostics. The serial number shows up in apples activation lock database as an iPhone 4S, the iPhone it came from may have not been a prototype.

SwitchBoard Applications
This firmware should contain the following applications (hidden or not):


 * dtxCaliente
 * GrapeCal
 * LCDMura
 * LcdUTest
 * LCMFlicker
 * MIDINetSetup (hidden)
 * NetGauge (hidden)
 * Operator
 * SkankBarcodeDisplay
 * WiPASmini
 * YThermalDOE
 * ZReliability