Hi,
Please suggest if there is any tutorial on DFU update on custom board buildwith nRF52832/40.
Thanks
see this https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nrfconnect_ble%2FUG%2FnRF_Connect_BLE%2FnRF_Connect_DFU.html
thanks
GK