The mobile phone can t be connected to wifi when you return home, why can t the mobile phone go onli

Method steps.

Pull down the notification bar from the top of your phone's screen, then switch to Switch:

You can see that "Wi-Fi" and "Data" are turned on, and then touch the gray "Airplane Mode":

Airplane Mode will soon be highlighted, and both Wi-Fi and Data will be grayed out

Then, turn off Airplane Mode again, turn Wi-Fi or Data back on, and you should be able to surf the Internet.

If that doesn't work, try turning off the wifi and then turning it back on. Because the mobile phone does not have a network environment, it may be that some network information has not been updated synchronously:

If it doesn't work, check the router channel and set the router wireless channel to a commonly used channel, such as 6 and 9. Apple's settings seem to be more stringent in terms of channel requirements:

If it doesn't work, it is recommended to restart both the phone and the wireless router.

Yes, it is not recommended to use win7 comes with, you can install a software connectify, use your notebook (wireless network card) as an AP transmitter source, so that Android, iPhone and other wireless devices can access the Internet for free through the transmitter source, only smartphones can be searched, the system should be Android, iOS. Other features and nos. It is recommended to encrypt this transmitter so that others can't rub your internet speed.

In this case, you are not logged in to the roaming network, follow these steps:

1. Open international roaming.

The function can be used overseas, and the roaming place can open the international roaming service with China Unicom.

2. Try to change the operator manually, take the iPhone as an example, set - carrier - network selection, turn off automatic, turn on manual selection, the searched operator can try to connect, when manually connecting, repeatedly operate the forced login attempt.

You can use it overseas only if you activate the international roaming function, or buy a foreign card.

First of all, when we arrive in a new country or region, in order to connect to WiFi, we need to know the name and password of the local WiFi network. This can usually be obtained by looking for a wifi network in a public place such as an airport, coffee shop, mall, etc., and entering a password. Of course, in some cases, it is possible to obtain data to access WiFi by purchasing a local SIM card**.

Next, we need to turn on the wifi option in the phone's settings and search for and connect to the available networks around us. If you can't find an available network, you can try adding or entering the wifi name and password manually.

If your phone system is iOS, you can tap WiFi in the settings, then select "Other Network", and then enter the WiFi network name and password, if your phone system is Android, you can find "WiFi" in the settings, then select "Add Network", and then enter the WiFi network name and password.

There are a few things to keep in mind before connecting to wifi. First of all, make sure that the WiFi network is secure and do not connect to unclear** public WiFi to avoid exposing personal information or being hacked. In addition, be sure to follow the local WiFi usage rules and laws when using WiFi to avoid breaking the law or causing unnecessary trouble.

Finally, I personally recommend preparing the wifi network and information you are going to use in advance before you go abroad, which will help avoid the hassle of connecting to wifi after going abroad. In addition, sometimes there are differences in WiFi network settings in different countries, so remember to read the local guide or ask the local personnel for a better connection experience.

In short, connecting to wifi on a mobile phone abroad can be said to be a simple but complex problem, and we need to go through some tricks and methods to achieve the connection on the premise of complying with local regulations and regulations. Hope this helps!