This is a quick tutorial on how you can enforce 4G only mode or 3G only mode on huawei 4g or 3g routers or so called 4g/3g/2g WiFi dongle/modem. Huawei has a dedicated app called HiLink (which can be downloaded from here) to manage admin
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How to find wifi password
If you’ve several laptops, smartphones, smart TV and other devices at home which require internet connection, the best way is to set up a home wifi network using a wifi router. Nowadays, even 3g wifi router is available in which you can plug your 3g
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