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Why can't your phone connect to your home wifi?

2025-09-30 19:33:29 educate

Why can't your mobile phone connect to your home wifi: Analysis and solutions for popular issues in recent times

Recently, the issue of mobile phones not being able to connect to home Wi-Fi has become one of the hot topics on the Internet. Many users have reported that the phone suddenly cannot connect to Wi-Fi, or is frequently disconnected, which affects normal use. The following is a summary analysis and structured solutions for popular topics in the past 10 days.

1. Summary of recent hot issues (next to 10 days)

Why can't your phone connect to your home wifi?

Question TypeFrequency of occurrenceMain Platforms
Wi-Fi password is correct but cannot be connectedhighWeibo, Zhihu, Post Bar
Frequent disconnection or weak signalMedium-highTikTok, B Station, Xiaohongshu
The router displays an exceptionmiddleWeChat community, Douban
The phone system cannot be connected after it is updatedLow and mediumApple/Huawei Official Forum

2. Common causes and solutions

1. Wi-Fi password is correct but cannot be connected

Possible reasons: IP address conflict, router DHCP allocation abnormality, device restrictions.

Solution:

  • Restart the router and phone.
  • Check whether the router background is enabled for MAC address filtering.
  • Manually set the static IP address (enter the mobile phone Wi-Fi settings - Advanced options).

2. Frequent disconnection or weak signal

Possible causes: signal interference, poor router location, and excessive equipment.

Solution:

  • Place the router in an open position away from interference sources such as microwave ovens and Bluetooth devices.
  • Switch to the 5GHz band (if supported).
  • Limit the number of connected devices (managed through the router background).

3. The router displays an exception

Possible reasons: firmware is too old, hardware failure, and overheating.

Solution:

  • Update the router firmware (downloaded through the manufacturer's official website).
  • Check the router indicator status and replace the device if necessary.
  • Make sure the router is well ventilated.

4. The mobile phone system cannot be connected after it is updated

Possible causes: system compatibility issues, network settings reset.

Solution:

  • Reset the phone network settings (Settings-System-Reset Network).
  • Check whether the manufacturer issues patch updates.
  • Try to reconnect after forgetting the network.

3. Users ask questions frequently and official replies

questionOfficial advice
Wi-Fi is disconnected after Huawei phone upgrades to HongmengTurn off the "WLAN+" feature, or fall back to a stable version.
iPhone 15 connects to Wi-Fi slowReset network settings, or restart the router.
The red light of Xiaomi router is always onContact after-sales inspection, it may be a hardware failure.

4. Summary

The problem of a phone not being able to connect to Wi-Fi can usually be solved by restarting the device, checking settings, or updating the firmware. If the problem persists, it is recommended to contact the network service provider or equipment manufacturer for further investigation. Keeping routers and phone systems updated is the key to preventing such problems.

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