i faced with a problem :
- i created a private key
- then make public key from private key
- insert my public key in dfu_public_key.c
- build bootloader_secure(debug) project
- programmed softdevice 2.0.1 and bootloader (.hex) on nrf51822 (QxxAC)
- i created my .zip file from my application(it's work okay) and private key
- my nrf51822 go to bootloader mode ( addvertise "DfuTarg") ( i can see it)
- i uploaded my .zip on nrf51822 ( done successfully)
after these steps my nrf51822 stay in bootloader mode and doesn't run my application that i uploaded on it.