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ZyXEL X-550
19
5 Customer Support
Please have the following information ready when you contact customer support.
• Serial number for your specific product
• Warranty Information
• Date that you received or purchased your device
• Brief description of the problem including any steps that you have taken.
SUPPORT E-MAIL TELEPHONE WEB SITE
support@zyxel.com +1-800-978-7222 www.us.zyxel.com