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title: Facebook Two-Factor Authentication Not Working – Step-by-Step Fix

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Facebook Two-Factor Authentication Not Working – Step-by-Step Fix

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To strengthen future account security, update backup recovery codes, add trusted devices, and activate alerts for unfamiliar logins. If similar 2FA issues happen again, quick help remains available at [USA]+1-877-339-1052 or [UK]+44-203-535-0414.