Samsung Galaxy Wi-Fi Drops on AT&T? Step-by-Step Fix

If your Samsung Galaxy keeps dropping Wi-Fi connections while using AT&T in the United States, don’t worry — it’s usually a simple fix. Follow these easy steps to restore a stable connection and prevent future disconnects.

Step 1: Forget and Reconnect to Wi-Fi

Go to Settings > Connections > Wi-Fi. Tap the gear icon next to your network, then select Forget. Reconnect by entering your password again to refresh the link with the router.

Step 2: Reset Network Settings

If Wi-Fi drops persist, open Settings > General Management > Reset > Reset Network Settings. This clears corrupted connection data without deleting apps or files. Restart your phone afterward.

Step 3: Update Software and Carrier Settings

Make sure both your system and carrier configurations are up to date. Go to Settings > Software Update > Download and Install. AT&T often releases patches that fix Wi-Fi or signal issues on Galaxy models.

Step 4: Disable Auto Switch Between Wi-Fi and Mobile Data

Some Galaxy phones automatically switch to mobile data when Wi-Fi is weak. Disable this by going to Settings > Connections > Wi-Fi > Intelligent Wi-Fi, then toggle off Switch to Mobile Data.

Step 5: Optimize Your Router Settings

Log in to your router’s admin panel and check for firmware updates. Use the 5GHz band instead of 2.4GHz for faster and more stable speeds, especially if you’re in a dense area with many overlapping signals.

Step 6: Test in Safe Mode

Press and hold the Power key, then tap and hold Power off until you see Safe Mode. If Wi-Fi works fine in this mode, a third-party app may be causing the issue — uninstall recent ones to identify the culprit.

For more Samsung troubleshooting guides, visit the Samsung Hub.

Explore related help sections: Connectivity & Network and Performance & System.

OnePlus Tip

If the issue only occurs on public or office networks, try toggling MAC Address Type under your Wi-Fi settings to Phone MAC. This helps AT&T routers maintain a stable session for your Galaxy device.

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