My sign in was “blocked for security reasons” on Firefox Accounts
Firefox Accounts blocks sign in attempts if it detects unusual activity. Learn how to unblock your account.
I'm having problems confirming my Firefox Account
Here are some common solutions to help you resolve issues such as missing confirmation emails and outdated or locked Firefox Account status.
I'm having problems with my Firefox account
Get answers for common questions about Firefox accounts.
Disable Firefox Sync on a lost phone or tablet
This article describes what you should do to prevent someone from accessing your passwords on a lost device with Firefox Sync.
Suspicious activity on my Firefox account
How to protect yourself if suspicious activity is detected on your Firefox account.