iPhone WiFi Keeps Disconnecting? 10 Fixes That Work

WiFi constantly disconnecting is frustrating. This guide fixes unstable WiFi connections on iPhone.

10 Fixes for WiFi Disconnections

1. Forget and Rejoin Network

Settings > WiFi > tap (i) > Forget Network > Rejoin with password.

2. Reset Network Settings

Settings > General > Transfer or Reset > Reset > Reset Network Settings.

3. Turn Off WiFi Assist

Settings > Cellular > scroll down > WiFi Assist > OFF. Prevents switching to cellular.

4. Disable VPN

Settings > VPN > OFF. VPN can cause unstable connections.

5. Update iOS

Settings > General > Software Update. WiFi stability improvements often included.

6. Restart Router

Unplug router 30 seconds, plug back in, wait 2 minutes for restart.

7. Change DNS Settings

Settings > WiFi > (i) > Configure DNS > Manual > Add 8.8.8.8 and 8.8.4.4.

8. Disable Auto-Join for Other Networks

Settings > WiFi > turn off Auto-Join for networks you don't use.

9. Update Router Firmware

Check router manufacturer website for firmware updates.

10. Static IP Address

Settings > WiFi > (i) > Configure IP > Manual > assign static IP.

Router Settings

Check router:

Security: Use WPA2 or WPA3
Channel: Use 1, 6, or 11 for 2.4GHz
Firmware: Keep updated

Frequently Asked Questions

Q: Why does WiFi disconnect when screen locks? A: Settings > WiFi > Ask to Join Networks > OFF. Or router power-saving settings.

Q: Why disconnect only on my iPhone? A: iPhone-specific issue. Reset network settings and forget/rejoin network.

Q: Does VPN cause WiFi drops? A: Yes, VPN can cause instability. Disable VPN or try different VPN server.

Conclusion

Most WiFi disconnection issues fix with forget/rejoin network or reset network settings. Router quality and settings also major factor.