Issue with nRF Connect and DFU service support for BT4 and BLE 5

Hello Nordic Semiconductor Support Team,

We are trying to update application using DFU. We use bootloader, BLE 5 long range coded phy. DFU is not successful, please find the details of the log message in the attachment. we are using nRF Connect version 4.27.1, Nordic SDK version 16, and soft device 140.

Could you please provide guidance on how to resolve this issue or if there are any updates or workarounds available for nRF Connect that support DFU service for BLE 5?

Thank you for your assistance.

Best regards,

Shreya

Parents Reply
  • Please double check your sniffer configuration: 
    BLE sniffer support for coded phy

    Shreya J B said:

    yes tried to put device in bootloader mode manually, then DFU was successful. 

    We tried doing the DFU from SD & Bootloader. DFU was successful.

    From what you reported it seems that the problem is at when you switch from application to the bootloader, the phone couldn't reconnect to the bootloader. 

    Please double check that you have service changed characteristic enable on both your application and the bootloader. Please check sdk_config.h for

    NRF_SDH_BLE_SERVICE_CHANGED 1 

    PM_SERVICE_CHANGED_ENABLED 1

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