How to Fix Android Wi-Fi Connection Issues

A technical guide to restoring Wi-Fi connectivity on Android devices. Resolve authentication errors, IP configuration conflicts, and network handshake failures.

1. Cycle the wireless radio. Swipe down from the top of your screen to access the Quick Settings panel. Tap the Wi-Fi icon to disable the radio, wait five seconds, and tap it again to re-initialize the connection handshake.
2. Re-authenticate the network handshake. Open Settings and navigate to Network & internet > Internet. Tap the gear icon next to your affected network and select Forget. Reconnect by selecting the SSID and re-entering the security credentials.
3. Reset network settings. Go to Settings > System > Reset options. Select Reset Wi-Fi, mobile & Bluetooth to clear all local network cache and interface configurations. Confirm your device PIN to initiate the process.
4. Switch to static IP addressing. If the device hangs on Obtaining IP Address, tap the network gear icon and select Edit. Change IP settings from DHCP to Static. Assign a valid IP address within your router's subnet and specify the gateway and DNS servers.
5. Check for system firmware patches. Navigate to Settings > System > Software updates. Ensure your device is running the latest security patch, as these often contain critical driver updates for the Wi-Fi modem firmware.
6. Test for third-party interference. Hold the power button, then long-press the Power Off icon on the screen to trigger Safe Mode. If Wi-Fi functions normally in this state, a recently installed VPN or security app is likely hijacking the network traffic.