XCode stops when connect to BLE device -

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i new ios development, , study bluetooth low energy (ble, bluetooth 4.0) ios.

when click ble device on tableview have scan.

if didn't use xcode run project on iphone 5c , can connect ble device , change other viewcontroller.

but stop following picture when run project on iphone xcode.

enter image description here

could teach me why happened ?

and how debug condition ?

i new ios , so...sorry question if there has stupid. in advance

you put breakpoint. click on "blue arrow" (near green light).


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