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Add file delete workaround to 'FLL' page (#816)

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Galen Nickel 2018-11-06 09:08:14 -08:00 committed by Peli de Halleux
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docs/fll.md
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# MakeCode for FIRST LEGO League
# MakeCode for _FIRST_ LEGO League
![FIRST LEGO League logo](/static/fll/fll-logo.png)
@ -82,7 +82,22 @@ You can share your projects by clicking on the Share button in the top left of t
![Share button in editor](/static/fll/share-program.jpg)
For other common questions, try the FAQ page https://makecode.mindstorms.com/faq.
### Why can't I delete my program (*.uf2) files from the Brick?
There's a bug in the firmware which prevents you from deleting the programs (``*.uf2`` files) from your EV3 Brick. There isn't a firmware update to fix this yet. As a workaround, you can temporarily downgrade your firmware version, delete the files, and then upgrade back to the version that works with MakeCode.
Follow these steps to downgrade your firmware version, delete the files, and uprgade back again:
1. Go into **EV3 LabVIEW** - if it's not installed get it [here](https://education.lego.com/en-us/downloads/mindstorms-ev3/software)
2. Plug in your EV3 Brick and start a new project
3. Go to the **Tools** menu in the upper right corner, select **Firmware Update**
4. In the **Firmware Update** dialog box, click on the **Show Details** button
5. From the **Available Firmware Files** list, select **EV3 Firmware V1.09E**
6. Click the **Update Firmware** button and wait for the update to complete
Now the firmware version on the EV3 Brick will be **V1.09E**. Also, in the process, the downgrade deleted all of the saved programs from the EV3 Brick. To continue to use MakeCode, the firmware version must be at **V1.10E** or above. So, the Brick firmware needs to be upgraded again. If you don't know or do remember how to do this, see the **Upgrade your @drivename@** section in the [troubleshooting](/troubleshoot) page.
For other common questions, try the FAQ page https://makecode.mindstorms.com/faq.
## Community connection