Observed Advertising Name length limit (~22 characters) in DFU modehttps://devzone.nordicsemi.com/f/nordic-q-a/124849/observed-advertising-name-length-limit-22-characters-in-dfu-modeHi I`m working with an nRF52833. I&#39;ve observed that when the module enters DFU mode, the Bluetooth advertising name seems to be limited to around 22 characters. If I set a longer name, it exits DFU mode. I&#39;m not sure if this is an intentionalen-USTelligent Community 13Wed, 08 Oct 2025 11:20:04 GMTRE: Observed Advertising Name length limit (~22 characters) in DFU modehttps://devzone.nordicsemi.com/thread/550889?ContentTypeID=1Wed, 08 Oct 2025 11:20:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ec95dcff-668e-4bc3-b709-5cc6897f6e1eVidar Berg<p>Hello,</p> <p>The maximum payload for the primary advertisement packet is 31 octets, and the first 9 bytes are used to hold the advertising flags and the UUID of the DFU service. Note that if you use buttonless DFU the advertisment name in dfu mode will normally not be visible to the user.</p> <p>Best regards,</p> <p>Vidar</p><div style="clear:both;"></div>