https://devzone.nordicsemi.com/f/nordic-q-a/116164/fw-size-confusingDear all: I have built a project(ex: matter bulb) in Nordic SDK, the generated load is zephyr.hex which size is about 2345kb ; Then I open nRF Connect Programmer, and choose the zephyr.hex file, in the file memory layout page , I found only greenen-USTelligent Community 13Thu, 07 Nov 2024 07:36:30 GMThttps://devzone.nordicsemi.com/thread/509362?ContentTypeID=1Thu, 07 Nov 2024 07:36:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d3d1e74d-8102-4022-b1c6-05c27520f66bsusepc<p><a href="https://devzone.nordicsemi.com/members/turboj">Turbo J</a>&nbsp;</p> <p>&nbsp; &nbsp; &nbsp; &nbsp; Thanks for your quickly response!</p> <p>&nbsp; &nbsp; &nbsp; &nbsp; Then Q1 I got it, but could you reply my Q2? thx</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/509357?ContentTypeID=1Thu, 07 Nov 2024 07:09:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ec44db58-3664-43e5-b514-0978edecbd7eTurbo J<p>Hint: Read what is inside an intel hex file and how its structured.</p> <p>If you convert a hex to binary, you will usually get a file with about 1/3 the size.</p> <p>Warning: Does not work with hex files that contains UICR on NRFx - because hex files support large &quot;holes&quot;.</p><div style="clear:both;"></div>