AT&T telephone support

We are here to provide you with the best possible online support. To better assist you, please select the category below that best fits your needs.


Need help with your phone?
View FAQs and troubleshooting tips

Manuals and Videos

Download manuals and quick start guides for your phone.

Compatibility finder
Product registration

Register your new AT&T telephone product online.

Warranty and returns

View AT&T's warranty options.

Contact us

Have a question or comment about your product? Let us know.

Synapse & Syn248 Support

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