| 2026-08-20
| 1,024,309
| Mk
| 5.6.1
[current fixed release]
| 2026-08-20T1336-v5.6.1-mk-coldcard.dfu
|
Latest version for COLDCARD Mk5 and Mk4
|
| 2026-08-20
| 1,139,005
| Mk
| 5.6.1
[fixed]
| 2026-08-20T1336-v5.6.1-mk-coldcard-factory.dfu
|
Includes BOOTROM needed only by CK factory – reference only.
|
| 2026-07-31
| 1,007,925
| Mk
| 5.6.0
[fixed]
| 2026-07-31T0518-v5.6.0-mk-coldcard.dfu
|
|
| 2026-07-31
| 1,122,621
| Mk
| 5.6.0
[fixed]
| 2026-07-31T0518-v5.6.0-mk-coldcard-factory.dfu
|
Includes BOOTROM needed only by CK factory – reference only.
|
| 2026-07-01
| 1,007,925
| Mk
| 5.5.1
[vulnerable]
| 2026-07-01T1729-v5.5.1-mk-coldcard.dfu
|
|
| 2026-07-01
| 1,122,621
| Mk
| 5.5.1
[vulnerable]
| 2026-07-01T1729-v5.5.1-mk-coldcard-factory.dfu
|
Includes BOOTROM needed only by CK factory – reference only.
|
| 2026-03-05
| 1,003,829
| Mk
| 5.5.0
[vulnerable]
| 2026-03-05T2052-v5.5.0-mk-coldcard.dfu
|
|
| 2026-03-05
| 1,118,525
| Mk
| 5.5.0
[vulnerable]
| 2026-03-05T2052-v5.5.0-mk-coldcard-factory.dfu
|
Includes BOOTROM needed only by CK factory – reference only.
|
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