https://devzone.nordicsemi.com/f/nordic-q-a/92538/can-t-access-bootloader-on-thingy-53Hello, On my freshly received Thingy:53, I&#39;m unable to connect the Programmer via USB (I&#39;m using 3.0.4). I&#39;m using Linux Mint 21 and when starting the thingy with SW2 pushed, I&#39;m always seeing the application. For example : [308962.359200] usben-USTelligent Community 13Mon, 03 Oct 2022 19:32:13 GMThttps://devzone.nordicsemi.com/thread/389079?ContentTypeID=1Mon, 03 Oct 2022 19:32:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8701f973-14f9-4a6e-8f6f-f9b0f440d342Amanda Hsieh<p>Hi,&nbsp;</p> [quote user=""]I&#39;m aware that SW2 is the &#39;small&#39; button next the big SW3. Procedure seems pretty simple : connect the thingy with USB-c cable, push SW2 and switch SW1. What am I missing ?[/quote] <p>Make sure to press SW2 while switching SW1 to the ON position.&nbsp; Holding the SW 2 until the SW1 is switched from the off to the on position.&nbsp;</p> <p>Regards,<br />Amanda</p><div style="clear:both;"></div>