This is what I have my prj.conf, yours might be different, an I’m not sure what I have is 100% correct:

# BT settings

CONFIG_BT=y

CONFIG_BT_SMP=y

CONFIG_BT_SIGNING=y

CONFIG_BT_BONDABLE=y

CONFIG_BT_PERIPHERAL=y

CONFIG_BT_GATT_DYNAMIC_DB=y

CONFIG_BT_GATT_READ_MULTIPLE=y

CONFIG_BT_GATT_DIS=y

CONFIG_BT_ATT_PREPARE_COUNT=2

CONFIG_BT_PRIVACY=y

CONFIG_BT_DEVICE_NAME="My Device"

CONFIG_BT_DEVICE_APPEARANCE=833

CONFIG_BT_SETTINGS=n

Lawrence King

Principal Developer

+1(416)627-7302