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How to multiple times update program in secure OTA

Nilesh Bhavsar

Hi,

I had done secure OTA in my custom board using SDK12.2.0 with S130 v2.0.1 softdevice. But when i am trying to update the same for multiple times then its not happened.

Which configuration needed for multiple times update? Any example is availble in SDK12.2.0?

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    Yes, I am generating images using nrfutil with a same private/public key pair which used in first time. I am not getting any error when update the second time but its stuck on "starting Boot loader" message in mobile application.

    In the Buttonless DFU example file of the SDK, mostly DFU setting are available and i do for the trigger bootloader multiple times DFU "#define IS_SRVC_CHANGED_CHARACT_PRESENT 1".

    If there any other setting is required for that?

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  • 0

    Yes, I am generating images using nrfutil with a same private/public key pair which used in first time. I am not getting any error when update the second time but its stuck on "starting Boot loader" message in mobile application.

    In the Buttonless DFU example file of the SDK, mostly DFU setting are available and i do for the trigger bootloader multiple times DFU "#define IS_SRVC_CHANGED_CHARACT_PRESENT 1".

    If there any other setting is required for that?

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