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
Update the router firmware
Use the 5 GHz band for speed near the router
Use the 2.4 GHz band for longer range
Change the WiFi channel to reduce interference
Replace an old router with a newer model
Add a WiFi mesh system
Install a WiFi extender or access point
Use wired Ethernet for stationary devices
Reduce the number of devices connected at once
Restart the router regularly
Secure the network with a strong password
Check for interference from neighboring networks
Use powerline adapters with WiFi support
Upgrade internet plan only if speed is the bottleneck
Remove physical obstructions between router and devices
Place access points on different floors if needed
Use high-gain antennas if supported by the router