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roro9stack/site/content/howto/update-from-sd.md
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twislaandClaude Sonnet 5.5 b2bc556f6e Site: how-tos and the FAQ (phase 3)
Eight how-to recipes and a FAQ page with a list of its questions, from the
README, the milestone documents and the Apps' source. The guide templates
become generic (the parent section gives the eyebrow, title and pager).

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EhqxQ49eCju4CzKYNjZzwT
2026-10-06 19:08:42 +00:00

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Markdown

+++
title = "Install an update from the SD card"
description = "Update the firmware with no Wi-Fi and no cable: copy one file onto the card and install it from the device."
weight = 3
[extra]
tag = "Updates"
+++
1. **Get the update file.** On the [Downloads page](/downloads/), take the `.ota` file of the release you want: `roro9stack-<version>.ota`. Every release has one.
2. **Copy it to `/updates`** on the SD card, from a computer. If the folder is not there, create it. (With the Cardputer on USB, a developer can also send it with `scripts/sd_put.sh`; see the [README](https://git.twis.la/twisla/roro9stack#firmware-updates-over-wi-fi-ota).)
3. **Put the card in the Cardputer.** Open **Settings → Firmware.** Under *On the SD card* the file is listed. If it says `No .ota files in /updates`, the name or the folder is wrong.
4. **Press Enter on the file,** then **Install**. The device checks the signature and the contents before it writes anything, installs, and restarts. It waits up to 60 seconds if you are typing.
5. **After the restart** the new firmware is on **Probation**: if it crashes or cannot get Wi-Fi back within 3 minutes, the device goes back to the previous version by itself and says so.
You can also open the file in the [Storage App](/guide/storage/): it shows the version and whether the file would install, then <kbd>Enter</kbd> installs it. A file that is not signed with the project's key is refused, and nothing changes.