How to Fix WiFi Disconnecting Issues on REDMI Note 9 Pro

Update System Software

• 💡 Update your MIUI system to the latest version, as system updates often include fixes for Wi-Fi issues.

Network Settings Management

• 📌 Go to Wi-Fi settings and tap on additional settings to manage saved networks.
• 📶 Enable the Wi-Fi Assistant and ensure 'Stay connected' is turned on to maintain a stable connection.

Battery and Connection Troubleshooting

• 🔋 Disable battery saver and ultra battery saver modes, as they can sometimes interfere with Wi-Fi connectivity.
• 🔄 To resolve potential connection glitches, forget the current Wi-Fi network and then reconnect to it.

Router and Network Reset

• 🌐 If the issue persists across different networks, restart your router as it might be the source of the problem.
• ⚙️ Consider resetting network settings on your phone, which will reset Wi-Fi, mobile data, and Bluetooth configurations.

Advanced Wi-Fi and Diagnostics

• 📡 If your router broadcasts both 2.4GHz and 5GHz bands, try switching to the other band to see if it improves stability.
• 🛠️ You can also update your router firmware for potential performance improvements.
• 🔬 Use the phone's dialer to access hardware diagnostics (dial *#*#6484#*#*) to check for any hardware-related Wi-Fi problems.