Keystone 3 Pro

Approve transactions
- Computer: transaction signing confirmed
- iPhone: Transaction approval not confirmed for your selected criteria
- Android: Transaction approval not confirmed for your selected criteria
Apps and requirements
Computer
For Ethereum signing with the Rabby browser extension on a computer, use an already configured Keystone with Multi-Coin firmware 1.1.4 or later. Approve USB access on the device and keep it unlocked on its home screen. This route does not confirm initial setup. Supported desktop operating systems and minimum versions remain unconfirmed.










