https://devzone.nordicsemi.com/f/nordic-q-a/120275/question-is-ota-possible-with-nrf54l10Hi. I used nRF Connect SDK v2.9.1 to add OTA to the Peripheral UART sample application. The target is nRF54L10, but when I build it, the flash usage exceeds 50%. If the flash usage exceeds 50%, will OTA actually work? Also, will an external flash been-USTelligent Community 13Tue, 08 Jul 2025 09:55:17 GMThttps://devzone.nordicsemi.com/thread/541770?ContentTypeID=1Tue, 08 Jul 2025 09:55:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f3ac24a2-e08b-494f-b67e-b716e94751aaKenta<p>Hello Vidar.<br />Sorry for the late reply.</p> <p>I created an OTA sample with 75% Flash usage on the nRF54L10 and tried it, and the OTA ran successfully.</p> <p>This issue has now been resolved, so you can close this thread.</p> <p>Thank you.</p> <p>Best regards.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/529723?ContentTypeID=1Mon, 31 Mar 2025 09:38:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a96dccf2-8e5d-4fb6-ba1b-2d014e221d6dVidar Berg<p>Hi,</p> <p>OTA DFU requires app to occupy less than this unless adding external flash is an option.&nbsp;Exactly&nbsp;how much will depend on the size&nbsp;of&nbsp;your bootloader. Please have a look this devacademy course for more details:&nbsp;<a href="https://academy.nordicsemi.com/courses/nrf-connect-sdk-intermediate/lessons/lesson-9-bootloaders-and-dfu-fota/topic/exercise-5-fota-over-bluetooth-low-energy/">https://academy.nordicsemi.com/courses/nrf-connect-sdk-intermediate/lessons/lesson-9-bootloaders-and-dfu-fota/topic/exercise-5-fota-over-bluetooth-low-energy/</a>&nbsp;</p> <p>Best regards,</p> <p>Vidar</p><div style="clear:both;"></div>