https://devzone.nordicsemi.com/f/nordic-q-a/68766/bootloader-version-required-with-bootloader-imageDears, What should I do to for this problem.Thanks.en-USTelligent Community 13Wed, 25 Nov 2020 12:55:57 GMThttps://devzone.nordicsemi.com/thread/281806?ContentTypeID=1Wed, 25 Nov 2020 12:55:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e64c821a-32b6-4f1f-b444-1b123cda1df2Karl Ylvisaker<p>Hello ArchieL,<br /><br />The error message reads:&nbsp;<br /><br /><em>Error: --bootloader-version required with bootloader image</em><br /><br />It seems to me that you did not pass the --bootloader-version argument as part of the nrfutil command.<br />Please try to add this argument, and see if it resolves you issue.<br /><br />Best regards,<br />Karl</p><div style="clear:both;"></div>