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Common problemTelstraMy Telstra app and website
Can't sign in to My Telstra
Wrong password, lockout or missing code
The My Telstra app locks you out after three wrong passwords in a row. Sign-in also fails if the one-time code goes to contact details that are out of date.
How to fix it
Check your internet connection, and use the Telstra mobile network instead of WiFi for your first Telstra ID sign-in.
Enter your username and password again carefully.
Make sure you are the account holder or have full authority on the account.
If there is a technical issue, wait a few minutes and try again.
If the one-time code goes to old contact details, bring ID to a Telstra store to update them.
If the app shows a blank screen or expired session error, set Chrome as the default browser on Android, or delete telstra.com website data in Safari settings on iPhone.
From Telstra's help pages: telstra.com.au, in our words. Checked on 5 November 2026. If the steps do not help, Telstra's own support is the next stop.