app: ***** Main ****************************************** pwr_mgmt: Init app: In buttonless_dfu_sdh_state_observer. app: In buttonless_dfu_sdh_state_observer. app: BT Address: EC:2A:F0:F0:F0:DB app: AddService: uuid 0x10 app: AddCtic: uuid 0x11 handle 0x400 app: AddCtic: uuid 0x12 handle 0x400 app: AddCtic: uuid 0x13 handle 0x400 app: AddService: uuid 0x20 app: AddCtic: uuid 0x21 handle 0x400 app: AddCtic: uuid 0x22 handle 0x400 app: AddCtic: uuid 0x23 handle 0x400 app: Setting vector table to bootloader: 0x000F1000 app: nrf_dfu_svci_vector_table_set() -> success app: nrf_dfu_set_peer_data_init() -> success app: Setting vector table to main app: 0x00026000 app: nrf_dfu_svci_vector_table_unset() -> success app: start advertising app: SYS::vHandlePenPresenceUpdate 0 nrf_ble_gatt: Requesting to update ATT MTU to 247 bytes on connection 0x0. nrf_ble_gatt: Updating data length to 251 on connection 0x0. app: Connected app: SYS::vHandleBleConnectionUpdate 1 nrf_ble_gatt: ATT MTU updated to 23 bytes on connection 0x0 (response). app: ATT MTU exchange completed. central 0xF7 peripheral 0xF7 length 0xFB nrf_ble_gatt: Data length updated to 27 on connection 0x0. nrf_ble_gatt: max_rx_octets: 27 nrf_ble_gatt: max_tx_octets: 27 nrf_ble_gatt: max_rx_time: 328 nrf_ble_gatt: max_tx_time: 328 app: ATT MTU exchange completed. central 0xF7 peripheral 0xF7 length 0xFB app: BLD::PeerEvt 1 app: BLD::PeerEvt 5 app: BLD::PeerEvt 2 app: Connection secured: role: 1, conn_handle: 0x0, procedure: 1. app: BLD::PeerEvt 8 app: BLD::PeerEvt 8 app: BLD::PeerEvt 14 app: RW type: 0x1 handle 0x16 uuid 0x11 app: RW type: 0x1 handle 0x19 uuid 0x12 app: RW type: 0x1 handle 0x1C uuid 0x13 app: RW type: 0x1 handle 0x1F uuid 0x21 app: RW type: 0x1 handle 0x22 uuid 0x22 app: RW type: 0x1 handle 0x25 uuid 0x23 app: Received indication state 1 app: BLE_GATTS_EVT_WRITE app: BLD::PeerEvt 8 app: Writing peer data to the bootloader... app: system attribute table len: 8 app: sd_ble_gatts_sys_attr_get: 0 app: retrieve_peer_data: 0 app: nrf_dfu_set_peer_data: 0 app: Enter bootloader return code: 0 app: RW type: 0x2 handle 0x31 uuid 0x4 app: Peer data was successfully forwarded to the Secure DFU bootloader. app: In ble_dfu_buttonless_bootloader_start_prepare app: In ble_dfu_evt_handler. app: Device is preparing to enter bootloader mode. app: Disconnected peer app: BLD::PeerEvt 8 app: Updating Service Changed indication for peers, 0 left