https://devzone.nordicsemi.com/f/nordic-q-a/101478/ncs-mcumgr-how-to-improve-the-upgrade-speed-of-serial-port-or-usbHi, During the testing process, the upgrade speed of the serial port of 3Kb/s is too slow. Even worse than BLE OTA. How to improve the upgrade speed of serial port or USB? My environment is 52833DK, NCS 2.3.0, mcumgr,win11.en-USTelligent Community 13Fri, 07 Jul 2023 01:10:12 GMThttps://devzone.nordicsemi.com/thread/435098?ContentTypeID=1Fri, 07 Jul 2023 01:10:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:688b6eae-49eb-4145-9acc-e0b6bcfe797ckenlove<p>Thanks, I will try it.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/434711?ContentTypeID=1Wed, 05 Jul 2023 13:03:23 GMT137ad170-7792-4731-bb38-c0d22fbe4515:47417253-d8e3-4c3c-94ee-5c02d951cbd1Sigurd<p>If you cannot use nrfutil, then have a look at this post:&nbsp;&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/86191/mcuboot-slow-with-nrf52840-zephyr-usb-cdc_acm-protocol/359893">RE: MCUBOOT slow with nRF52840 / Zephyr / USB CDC_ACM protocol</a>&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/434663?ContentTypeID=1Wed, 05 Jul 2023 10:58:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ab22840a-0db9-45d8-83cc-601c70b21804Sigurd<p>nrfutil has support for&nbsp;programming over MCUboot</p> <p>See e.g. these links:</p> <p><a href="https://infocenter.nordicsemi.com/topic/ug_nrfutils/UG/nrfutils/nrfutil_prog_thingy53.html">https://infocenter.nordicsemi.com/topic/ug_nrfutils/UG/nrfutils/nrfutil_prog_thingy53.html</a></p> <p>&nbsp;<a href="https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/nrf-util-unified-command-line-utility">One tool to rule them all: nRF Util becomes a unified command line utility</a>&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/434588?ContentTypeID=1Wed, 05 Jul 2023 06:34:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5f499871-1c39-4edb-8efd-66e1e3e4bd4bkenlove<p>NCS<span>&nbsp;</span>doesn&#39;t<span>&nbsp;</span>seem<span>&nbsp;</span>to<span>&nbsp;</span>support<span>&nbsp;</span>nrfutil.&nbsp;I<span>&nbsp;</span>used<span>&nbsp;</span>nrfutil<span>&nbsp;</span>on<span>&nbsp;</span>nrf5SDK<span>&nbsp;</span>before.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/434445?ContentTypeID=1Tue, 04 Jul 2023 11:30:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a99a7692-fac5-48bf-93b9-0a2be180e296Sigurd<p>Hi,</p> <p>Try using nrfutil instead.</p> <p><a href="https://www.nordicsemi.com/Products/Development-tools/nrf-util">https://www.nordicsemi.com/Products/Development-tools/nrf-util</a></p><div style="clear:both;"></div>