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Docs: caught up with v0.13.0 to v0.19.0
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The documentation had kept up feature page by feature page and nowhere
else. Now also:

- the home page's App cards (notes of any size, pictures, sharing) and its
  note (the Shell, the VPN, the screenshot key);
- the guide: VPN in the Status Bar and in Settings, the three keys that work
  everywhere, screenshots of the Shell, a picture, sharing, the VPN page and
  the help panel;
- three how-tos: move files with your phone, set up the VPN, take a
  screenshot; where the files are and what things cost in memory;
- the FAQ: screenshots, and what listens on the network;
- the README's opening: what the firmware does today;
- the glossary: Tunnel, Sharing, Screenshot;
- every milestone's status line, with the version each thing shipped in.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EhqxQ49eCju4CzKYNjZzwT
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twisla
2026-10-08 01:49:47 +02:00
co-authored by Claude Opus 5.5
parent 4404dd9380
commit e00fff670f
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site/content/howto/not-enough-memory.md
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@@ -20,6 +20,18 @@ Opening a Gemini page fails with *not enough memory: stop IRC or retry*. Or an u
The [System App](/guide/system/)'s **Memory** view shows free memory, the lowest since the device started, and the largest free block, drawn against the three memory floors (55, 40 and 20 KB). Watch it fall when a connection opens, and recover when it closes.
## What the other things cost
Small next to a secure connection, but they add up when memory is already short:
| | While it is in use |
|---|---|
| A note open in the editor, whatever its size | 17 KB |
| Sharing the card with a browser | 13 KB |
| The Shell | 7 KB |
| The VPN tunnel | under 2 KB |
| Showing a PNG | one free block of 32 KB, while it is decoded |
## Why it happens
The Cardputer's chip has no extra memory (no PSRAM). A secure (TLS) connection costs about **52 KB** at its peak, and IRC's own connection holds about 40 KB of the 107 KB there is. A second secure connection on top does not fit, so the firmware refuses it early instead of crashing. This is also why IRC steps aside during an update, and why the daily update check waits until IRC is not connected: see [Updates](/guide/updates/).