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Legacy Products
The resources associated with these products have ceased their development and are no longer supported.
D-Link Systems, Inc. recommends retiring these products and replacing them with products that receive firmware updates.
DIR-2640-US
Last Day of Support
6/30/2024
Resources
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FAQs
Do I need a D-Link account to use the D-Link Wi-Fi app?
Does D-Link store WiFi passwords in the Internet or D-Link cloud?
How do I back up and restore the router’s configuration to my computer?
How do I change the Administrator password on my router?
How do I change the IP Address of my router?
How do I check what firmware version my router is running?
How do I configure a DHCP reservation on my router?
How do I configure Dynamic DNS (DDNS) on my router?
How do I configure Port Forwarding on my router?
How do I configure QoS (Quality of Service) settings on my router?
How do I create separate WiFi network names (SSID) and password for each wireless band?
How do I disable UPnP on my DIR Series Router?
How do I enable DMZ on my router?
How do I enable Guest Zone on my router?
How do I enable VPN passthrough on my router?
How do I log in to my router?
How do I reset my router back to the default settings?
How do I resolve a Double-NAT Detection error on my Xbox One?
How do I set up the Quick VPN feature on my router?
How do I setup website filtering on my router?
My router is dropping connection. How can I fix this?
What is DNS Relay?
What is Smart Connect?
What is Triple Play VLAN?
Why am I seeing my device multiple times in the device list in the D-Link Wi-Fi app?
Why are my Apple devices running iOS 14 showing weak security?
Why does the D-Link Wi-Fi app require location permission on my mobile device?
Why does WiFi calling not work with my router?
Why won’t my VoIP device work with my router?
Why won't some wireless devices connect to my network