How to Fix Xiaomi Wi-Fi Disconnecting Frequently (MIUI)

 If your Xiaomi phone keeps losing its Wi-Fi connection, you’re not alone. Many MIUI users face this issue due to software bugs, battery optimization, or network conflicts. Frequent Wi-Fi drops can disrupt video calls, streaming, online gaming, and general browsing. Luckily, MIUI offers several built-in options to stabilize connectivity. In this guide, you’ll learn how to fix Xiaomi Wi-Fi disconnections step by step, with practical tips for long-term stability.

Did you know? For a complete guide on this topic, check out the Xiaomi Learning Hub and explore related tips in the Connectivity & Network Topic Hub.

🔹 Why Xiaomi Wi-Fi Disconnects Frequently

Understanding the reasons behind Wi-Fi drops helps you tackle them effectively:

  • Software glitches: Temporary MIUI bugs or outdated apps can interrupt Wi-Fi.

  • Battery optimization: Aggressive power-saving modes can restrict Wi-Fi in the background.

  • Network conflicts: Corrupted Wi-Fi credentials, IP conflicts, or DNS issues may cause drops.

  • Router issues: Old firmware, interference, or crowded Wi-Fi channels can weaken connectivity.

  • Hardware problems: In rare cases, a damaged Wi-Fi antenna may cause persistent disconnections.

1. How to Restart Your Xiaomi Phone and Router

The simplest solution often resolves most Wi-Fi problems. Restarting both devices clears temporary glitches and IP conflicts.

Steps:

  1. Turn off your Wi-Fi router and wait 30–60 seconds before turning it back on.

  2. On your Xiaomi phone, press and hold the Power button → Restart.

  3. Reconnect to your Wi-Fi network via Settings → Wi-Fi.

🔹 Why this works: A fresh reboot resets the network stack, refreshes IP assignments, and clears temporary signal conflicts between your router and phone.

2. How to Forget and Reconnect to Your Wi-Fi Network

Sometimes, stored Wi-Fi credentials become corrupted, leading to repeated disconnections.

Steps:

  1. Open Settings → Wi-Fi.

  2. Tap the connected network.

  3. Select Forget network.

  4. Reconnect by entering the Wi-Fi password again.

💡 Tip: If your router supports 2.4GHz and 5GHz bands, test both. 2.4GHz is more stable over longer distances, while 5GHz offers faster speeds at short range.

3. How to Disable Battery Saver and Performance Restrictions

MIUI’s Battery Saver can automatically limit Wi-Fi when the phone is idle, leading to dropped connections.

Steps:

  1. Open Settings → Battery → Battery saver.

  2. Tap the gear icon ⚙️ → Battery saver for apps.

  3. Find Settings and System UI, then choose No restrictions.

  4. If Ultra Battery Saver is enabled, disable it, as it restricts background connectivity.

✅ This ensures Wi-Fi remains active even when your phone is idle.

4. How to Reset Network Settings on Xiaomi

If Wi-Fi issues persist, resetting network configurations often resolves conflicts with saved profiles, DNS, or IP settings.

Steps:

  1. Go to Settings → Connection & sharing → Reset Wi-Fi, mobile networks, and Bluetooth.

  2. Tap Reset settings → Confirm.

  3. Reboot your phone and reconnect to your Wi-Fi network.

⚠️ Note: This will erase all saved networks, Bluetooth pairings, and VPN connections, but it often resolves persistent disconnection issues.

5. How to Turn Off Wi-Fi Assistant and Dual Channel Acceleration

MIUI includes features like Wi-Fi Assistant and Dual Channel Acceleration, which automatically switch between mobile data and Wi-Fi. While useful in some situations, they can trigger sudden Wi-Fi drops.

Steps:

  1. Go to Settings → Connection & sharing → Wi-Fi Assistant.

  2. Turn off:

    • Switch automatically between Wi-Fi and mobile networks

    • Dual channel acceleration

✅ Disabling these ensures your Xiaomi phone stays connected to Wi-Fi without unexpected network switching.

6. How to Update MIUI and Router Firmware

Outdated software or router firmware may cause Wi-Fi instability. Keeping both updated ensures better compatibility and fewer bugs.

Steps:

  • On Xiaomi: Settings → About phone → MIUI version → Check for updates.

  • On your router: Log in to the admin panel and install any available firmware updates.

📌 Regular updates improve Wi-Fi performance, security, and system stability.

7. How to Change DNS Settings for Stable Wi-Fi

Sometimes slow or unreliable DNS servers can lead to intermittent drops or slow connectivity. Switching to a stable DNS server can improve reliability.

Steps:

  1. Open Settings → Wi-Fi → Tap your network → IP settings → Static.

  2. Enter reliable DNS addresses, for example:

    • DNS 1: 8.8.8.8

    • DNS 2: 8.8.4.4

  3. Save the changes and reconnect to Wi-Fi.

💡 Pro Tip: Google DNS and Cloudflare DNS (1.1.1.1) are faster and more reliable than many ISP default servers.

8. How to Reduce Interference and Optimize Router Placement

Wi-Fi drops can also result from environmental interference. To improve stability:

  • Place the router in a central, open area for even coverage.

  • Avoid metal objects, microwaves, or other electronics near the router.

  • Reduce the number of active devices to prevent congestion.

  • Test the phone in different rooms to identify weak signal areas.

✅ Small adjustments to router placement and reducing interference can dramatically improve Wi-Fi stability.

9. Factory Reset as a Last Resort

If all else fails, performing a factory reset may resolve deep software conflicts:

  1. Back up your Xiaomi phone using Mi Cloud or Google Drive.

  2. Go to Settings → About phone → Factory reset / Erase all data.

  3. Restore your backup after setup.

⚠️ Only use this step if software solutions fail, as it erases all apps, data, and settings.

10. Hardware Considerations

If Wi-Fi issues persist after trying all software solutions, your Xiaomi phone may have a hardware problem, such as:

  • Damaged Wi-Fi antenna

  • Logic board issues

  • Water or physical damage

Visiting an official Mi Service Center is recommended for inspection and repair.

✅ Summary: How to Keep Xiaomi Wi-Fi Stable

Frequent Wi-Fi disconnections on Xiaomi devices running MIUI can be caused by software bugs, network conflicts, battery optimization, or hardware issues. By following these steps:

  • Restart your router and phone

  • Forget and reconnect networks

  • Disable battery saver and performance restrictions

  • Reset network settings

  • Turn off Wi-Fi Assistant and dual channel acceleration

  • Update MIUI and router firmware

  • Configure a reliable DNS

  • Reduce interference and optimize router placement

  • Consider a factory reset if needed

…you can significantly improve Wi-Fi reliability on your Xiaomi phone, ensuring smooth streaming, calls, and online activities without interruptions.

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