There are a few ways to fix ATT care code 205.4. Most of the time, this error message means that you have an unstable or bad internet connection. You can reset your router or modem to fix this problem, but if this doesn't solve the issue, you should contact your service provider. You can also try changing your User ID and password to see if that helps. If you can't, then you may need to call your service provider and ask them to check your connection.
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