微信老是提示无法连接网络是设置错误造成的，解决方法为：
1、有时，打开微信之后，会发现微信无法连接网络，但是打开其他软件都是正常的，如图所示。
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2、那么，此时可以打开手机上面的设置功能，进入手机的系统功能设置。
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3、进入手机的设置功能之后，下拉页面，找到设置中的“微信”，并点击进入。
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4、进入之后，找到手机允许微信的设置项，找到下面的“无线数据”。
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5、进入之后可以发现，允许微信使用网络数据的设置是关闭的，此时，选择“WLAN与蜂窝移动网”就可以了。
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6、设置完成之后，在此打开微信，可以发现微信已经可以正常使用了。
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