Move the router to a central, elevated, open location
Keep the router away from walls, metal objects, and appliances
Reposition router antennas for better coverage
Restart the router regularly
Update the router firmware
Use the 5 GHz band for faster speeds at close range
Use the 2.4 GHz band for better range
Change the WiFi channel to reduce interference
Reduce the number of connected devices
Disconnect unused devices from the network
Replace old router hardware with a newer model
Use a WiFi extender or mesh system
Add a second access point
Use Ethernet for stationary devices
Upgrade to a better modem if needed
Check for signal interference from neighboring networks
Secure the network with a strong password
Adjust router transmit power if supported
Use high-gain antennas if compatible
Remove physical obstructions between router and devices