Skip to content

← Back to Freedom.Tech Back

All Coldcard Firmware releasesAll versions →

Post to Nostr Post to X

Release Tag Mon, Aug 31, 2026 1 min read

Coldcard Firmware 6.6

Coldcard firmware tag activity.

The upstream release note did not include a readable summary. Use the links below to inspect the source material.

Release on GitHub · Diff vs v5.6.1 · All Coldcard Firmware releases · Project homepage

Previous release: v5.6.1 on Thu, Aug 20, 2026 · 11 days apart

Filed under

Bitcoin All Coldcard Firmware releases →#bitcoin #release tag #hardware

More in Bitcoin

Bitcoin release Sep 30, 2026

Coldcard Firmware 5.6.3

Bitcoin release Sep 30, 2026

Coldcard Firmware 1.5

Security Oct 22, 2026

Taproot Assets 0.8.7

Get this in your inbox

The week in freedom tech, synthesized into one Sunday email.

Powered by Foundation

About Sources All briefs RSS Nostr X