SOLVED - Error U2F Browser Support is needed for Ledger Firefox MetaMask
35SOLVED - Error U2F Browser Support is needed for Ledger Firefox Metamask FIX
Ensure that your Ledger device runs the latest firmware version, and your Ledger Ethereum (ETH) app is on at least 1.10.1.
Open Firefox.
Type "about:config" in the navigation bar.
Click "Accept the Risk and Continue" in the "Proceed with Caution" prompt.
Type "security.webauth.u2f" in the search prompt. It should display the value
"false" by default.
Toggle it to "true" using the button on the right-side of the setting.
Restart Firefox.
The MetaMask Firefox Ledger integration should work as normal.
Please note that this is a temporary workaround and may not work for everyone. It's also important to note that enabling the U2F API may have security implications, so proceed with caution.
Conclusion
If you're experiencing issues with the MetaMask Firefox Ledger integration, it may be due to Firefox 112 dropping support for U2F. The temporary workaround involves re-enabling the U2F API using the security.webauth.u2f preference.
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