# Unable to flash Klipper after installing katapult

**URL:** <https://klipper.discourse.group/t/unable-to-flash-klipper-after-installing-katapult/24266>\
**Category:** General Discussion\
**Created:** [July 17, 2025, 1:08am UTC](https://klipper.discourse.group/t/unable-to-flash-klipper-after-installing-katapult/24266 "2025-07-17T01:08:43Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![mykepredko](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/mykepredko/32/2085_2.png) [@mykepredko](https://klipper.discourse.group/u/mykepredko)\
**Post date:** [July 17, 2025, 2:23am UTC](https://klipper.discourse.group/t/unable-to-flash-klipper-after-installing-katapult/24266/4 "2025-07-17T02:23:21Z")

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Sorry, the command to flash your device should be:

```auto
~/katapult/scripts/flashtool.py -f ~/klipper/out/klipper.bin -d /dev/serial/by-id/<Your Serial Address>

```

I did some cut and pasting too quickly without thinking things through.

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