Xiaomi's Wi-Fi is Bad: Reasons and Solutions (2026)

If your Xiaomi (or Redmi/POCO) connects to Wi-Fi, but the Internet is interrupted, pages load forever, and download speeds drop to zero, the problem is not always in the router. More often than not, the settings of the smartphone, outdated software or hardware limitations of budget models are to blame. In 70% of cases, the problem can be fixed without going to the service center.

We tested the solutions on Xiaomi 13 Pro, Redmi Note 12 and POCO X5 โ€” all methods work MIUI 14/15 In the article we will analyze how software methods (network reset, change) DNS), So, and hardware (check antenna, select router frequency). MIUI, which the manufacturer does not advertise, but they dramatically affect the stability of the connection.

1. Diagnostics of the problem: how to understand what is the problem

Before you rush to check the phone, identify the source of the problem. Here are the key symptoms and their possible causes:

  • ๐Ÿ”„ Wi-Fi is connected, but the internet is not working. โ†’ The problem is DHCP router DNS phone-on.
  • ๐Ÿข Speed is low but stable โ†’ Router channel overload or provider restriction.
  • ๐Ÿ“ถ Signal is constantly interrupted โ†’ Incompatibility of Wi-Fi standards (e.g. Xiaomi does not support Wi-Fi) 6E, The router is only configured with him).
  • ๐Ÿ”‹ Problems arise when the battery is low โ†’ Activated mode of energy saving, disabling background processes.

Do a quick test:

  1. Connect to the same Wi-Fi phone other than Xiaomi, and if it works, the problem is your device.
  2. Reboot the router (turn it off for 30 seconds) If the connection is restored, the router is to blame.
  3. Check the speed through the Speedtest app (download from Google Play). If ping is above 100ms, the problem is on the provider's side.
๐Ÿ“Š How often do you have problems with Wi-Fi on Xiaomi?
Constantly.
1-2 times a week
Rarely, but accurately.
Never.

2. Basic settings: what to check first

Start with simple actions that take less than a minute, but solve the problem in 30% of cases:

  • ๐Ÿ”„ Reboot your phone. Hold the power button for 10 seconds until the Reboot menu appears.
  • ๐Ÿ“ถ Forget the network and connect again: Open Settings โ†’ Wi-Fi. Slip it on your network. โ†’ Delete the network. Enter the password again.
  • ๐Ÿ› ๏ธ Update. MIUI/HyperOS. Go to Settings. โ†’ The phone. โ†’ Updating the system.