InnsbruckNanshan 11A24581c

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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.


This is a firmware based on an internal version of iOS 7.0, originally seen on an iPhone 5s. It was also seen on several other prototypes, one of which was a PVT (Production Verification Testing) unit. It also seems to be extremely similar to InnsbruckNanshan 11A24580o.

iPhone 5s PVT running 11A24581c
iPhone 5s PVT running 11A24581c
iPhone 5s showing a interesting charging screen, this shows even when not low battery


Upon booting, will let you choose from the following: