Firmware Upgrade V2.2.0 (Multi-coin): Integration with Polkadot.js Cobo Support December 04, 2020 23:47 Updated With Multi-coin firmware V2.2.0: We support the Polkadot.js. Instruction here. Related articles Creating a Polkadot.js Watch-Only Wallet Firmware Upgrade V2.1.0 (Multi-coin): Integration with XRP Toolkit, Support for Spark Token Claim Firmware Upgrade V2.0.0 (Multi-coin): Support XRP Toolkit, New QR Code Formatting Upgrading Firmware Firmware Upgrade V2.2.5 (Multi-coin) : Bug Fixes