Release history
Keystone 3 3.1.4
Keystone 3 3.1.4 adds Zcash shielded address verification and optimizes transaction parsing for SOL and TRON across firmware variants
Keystone 3 2.9.11
Notice This is an intermediate firmware release for devices running firmware versions below 2.0.0, designed to enable a secure upgrade; To install this version, visit the official Keystone website; After installation, follow the instructions on your device's screen and immediately return to the web
Keystone 3 2.9.9
Firmware update; Verify the published SHA-256 checksums before flashing
Keystone 3 3.1.2
Keystone 3 3.1.2 adds USB wallet migration support to Core Extension for AVAX assets
Keystone 3 3.1.0
Keystone 3 3.1.0 improves setup workflows and enhances security policies across Web3, BTC-only, and Cypherpunk variants
Keystone 3 3.0.8
Keystone 3 firmware 3.0.8 adds Solana v1 transaction support for multi-chain hardware wallet operations
Keystone 3 3.0.6
Keystone 3 3.0.6 adds Solana v1 transaction support for hardware wallet users signing on the Solana network
Keystone 3 3.0.4
Keystone 3 adds Solana CLI support and Lace Wallet integration for BTC/ADA management, optimizes transaction parsing across firmwares
Keystone 3 3.0.2
Keystone 3 Cypherpunk edition adds Zcash Ironwood upgrade support and batch PCZT signing, irreversible from other firmware variants
Keystone 3 3.0.0
Keystone 3 3.0.0 improves passcode recovery flow, strengthens security policies, and optimizes AR calculations across Web3, BTC-only, and Cypherpunk firmware variants
Keystone 3 2.5.0
Keystone 3 improves entropy validation and passcode verification across firmware variants, adds ZEC management via Vizor for Cypherpunk edition
Keystone 3 2.4.6
Keystone 3 2.4.6 adds Babylon derive context hash support for Bitcoin staking workflows
Keystone 3 2.4.4
Keystone 3 2.4.4 adds Zcash support with SLIP39 33-word Shamir Backup and fixes device verification screen loading issues