Currently, only personal and small business customers can use the app to manage accounts and services, plus access a range of rewards.
If you’ve received an ‘account restriction error’ message, there are two possible reasons:
You’re not the legal account holder or you don’t have full authority on the account, which means you can’t use the My Telstra app with that account
You're a Telstra Business or Enterprise and Government customer. The My Telstra app only supports personal and small business customers