3 Ways to Fix Unable to Join the Wi-Fi Network on iPhone

Basic Fixes

• Restart your iPhone and router: Long-press your iPhone’s physical Power and Volume Up buttons and slide the power slider to shut it down. Press and hold the Power button to reboot. As for the router, press its Power button or replug the power source to restart it.
• Move close to the router: It will improve network signals to fix the Unable to join the Wi-Fi error.
• Connect to the other Wi-Fi frequency: If you have a dual-band Wi-Fi router, switch to the other frequency (2.4GHz or 5GHz) to solve the network connection issue.
• Disable Low Power Mode: Open the Settings app, select Battery, and toggle off the Low Power Mode.
• Update iOS: Open iPhone Settings, select General, tap Software Update, and install available system updates.

Fix 1: Forget and Reconnect to the Wi-Fi Network

Existing issues with a saved Wi-Fi network can prevent your iPhone from joining it. To fix this, manually forget the network and retry connecting.

Step 1: Open the Settings app, select Wi-Fi, and tap i next to the saved network.

Step 2: Tap Forget This Network. Head back to Wi-Fi, and select the network again to reconnect to it.

Fix 2: Disable iCloud Private Relay

iCloud Private Relay, available for iCloud+ subscribers, hides your IP address to prevent network monitoring from known trackers. If the service is down, it may disrupt Wi-Fi connectivity, resulting in an unable to join the Wi-Fi network error. Disable it to restore normal functioning.

Open the connected Wi-Fi settings on your iPhone (check the above steps), scroll down, and toggle off iCloud Private Relay.

Fix 3: Reset Network Settings

Lastly, reset all network settings on your iPhone to remove incorrect network configurations, preventing your iPhone from joining the Wi-Fi network.

Step 1: Open the Settings app, select General, and tap Transfer or Reset iPhone.

Step 2: Select Reset and tap Reset Network Settings. When prompted, enter your device passcode to confirm it.