Hi, Nordic
I download nRF5_SDK_12.1.0_0d23e2a\examples\dfu\bootloader_secure example, when I use dfu example via android nRF Toolbox, it can work.
Then I build nRF5_SDK_12.1.0_0d23e2a\examples\ble_peripheral\experimental_ble_app_buttonless_dfu, first use nrfutil to generage private.pem, then use nrfutil to generate zip, when I start to DFU, it can not work:
device log:
:INFO:PB: Init data len: 61
:INFO:Handling signed command
:INFO:Prevalidate FAILED!
:INFO:Sending Response: [0x4, 0xa]
android nRF Toolbox show "UNKNOW ERROR(8202).
maybe it is related to key, If I use bootloader_secure example, how can I generate my app dfu zip?
If I do not want to use secure, how can I do?
Thanks.