When to write down your 2FA backup codes
Backup codes reset your two-factor login. Generate them in the app's security settings and copy them offline, not into your camera roll.
Generate two-factor backup codes in the app's security settings and copy them offline right away, since a screenshot or chat message is not a real backup.
Key points
Find them in security settings
After logging in, open the Security or Account Security section and look for a Backup Codes or Recovery Codes row under two-factor; if it is missing, set up the authenticator first.
Shown once only
The full list appears one time after you tap generate, so copy each code to paper or a password manager before refreshing or logging out.
Check the length
Compare each copied code against the character count shown on the page while you are still on it, not later when you actually need one.
Store separately from the app
Keep the codes away from the phone that runs the authenticator, or losing the device locks you out of both at once.
Common questions
Are backup codes the same as the six-digit authenticator code?
No, the authenticator code changes every cycle, while a backup code is a one-time string used only when the authenticator is unavailable.
Can a backup code be reused after I use it?
No, each code works once, so after using one you should generate a fresh set in security settings and copy it again.
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Sources：The Backup Codes / Recovery Codes row under two-factor in the app's security settings page · Log in, open security settings, find the two-factor entry, and open the backup codes page to see whether a set exists; if it is empty, bind an authenticator first, then generate and copy the codes. · Checked on 2026-09-24
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