This is because there is a channel conflict that can be resolved by changing the 2.4g frequency channel.
1. Open the browser and enter 192.168.1.1 to go to the gateway page of the router.
2. In \"Wireless Settings\
3. Select Enable WDS in the band bandwidth drop-down list.
4. Then click \"Scan\" on the bridge page.
(WDS is enabled using the wireless router's bridge function for channel detection.)
5. View the channels of other routers. Click \"Back\" after refreshing a few times.
6. Change the channel to another channel, or set it to 1.
7, as long as the channel is different from other routers, then click \"Save\".
8. Restart the router.
The reason why the 2.4g network of the dual-band router cannot be connected, and the 5g network can be connected: It may be because the 2G and 5G WIFI Settings of the wireless router are abnormal; Solution: Line router 2G, 5G WIFI set into different names for easy identification; Turn off WIFI and turn it on again. Power off the network device and restart it.
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If the problem persists after restoring the network Settings, it may be the mobile phone problem. It is recommended to go to the service store for testing, pay attention to backing up the device data (QQ and wechat data also remember to back up), and carry valid purchase vouchers. The test results and price are subject to the detection by the staff of the service store.