Xcode 5 shows the same device twice

Question

Ever since my team switched from Xcode 4 to 5, this weird bug shows up, that:

When we connect the iPhone/iPod touch to the macs, the device will be shown as two devi

Answer 1

as @Petesh states, this is due to adding the 6.1 SDK to xCode 5. Additionally, one of the devices will run with iOS 6.1 visual styles while the other will run with 7.0 styles. Sadly you can't tell the difference which will run with the 6.1 styles and which will run with the 7.0 styles.