Sync login fails in Firefox
Firefox users cannot sign in to their sync account, with generic errors or rejected passwords even after a reset.
Tier I · Proven The best-established problems.
23 public reports · first reported 16 November 2017 · last reported 5 June 2026
What's going wrong
Many Firefox users cannot sign into their EverSync account from the add-on.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 23 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.