Major Performance Boosts!

  • Massive Enhancement: Optimized and improved drawing speed on screen, and responsiveness of keypad presses. You’ll see some slight changes to login screen (centered now) and massive drawing performance improvements system-wide. Laggy and unresponsive keypad is no more!
  • New feature: New setting, “Delete PSBTs”, will blank and securely erase input PSBT files when they are no longer needed. Also renames signed transaction to be (txid).txn (in hex)
  • Enhancement: The current XFP (xpub fingerprint) is shown on the “Ready To Sign” screen, if you have entered an BIP39 Passphrase.
  • Enhancement: File names from SD Card are now shown in sorted order.
  • Enhancement: Can show the SHA256(file contents) for any file on SD Card. Use Advanced > MicroSD > List Files and pick your file. Thanks to B.O. for this idea.
  • Enhancement: Enable full BIP-85 support on older Mk2 hardware (derived entropy feature).
  • Enhancement: Minor text changes based on feedback from customers.
  • Enhancement: Two assertions promoted to text error messags related to bad PSBT files.

This release has some consmetic changes to the login screen, don’t be concerned.

login sequence

Download the latest firmware


Video Tutorials

We have a growing library of video tutorials on Youtube … and we’re still adding more!