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Posts: 2
Dual Hero system

Can someone explain to me the difference in the pinning of the 32 pin connector of the Hero3 and the Hero4 that will not allow full sync between two Hero4 cameras the way the Hero3 cameras will sync using the Dual Hero connector? Is there a change in the pinning or in firmware between the two models? The Hero4 cameras fit fine in the Dual Hero case and the external button will power up the two cameras but it will not start and stop recording simultaniously.