![Huawei Y7 - Troubleshooting - I can't use my phone's internet connection (Cause 1 of 4) | Vodafone Australia Huawei Y7 - Troubleshooting - I can't use my phone's internet connection (Cause 1 of 4) | Vodafone Australia](https://wmstatic.global.ssl.fastly.net/ml/7100822-f-45b05de2-3795-436e-b5ee-ec56ed86b831.png?width=428&height=760)
Huawei Y7 - Troubleshooting - I can't use my phone's internet connection (Cause 1 of 4) | Vodafone Australia
![Huawei Y7 - Troubleshooting - I can't use my phone's internet connection (Cause 1 of 4) | Vodafone Australia Huawei Y7 - Troubleshooting - I can't use my phone's internet connection (Cause 1 of 4) | Vodafone Australia](https://wmstatic.global.ssl.fastly.net/ml/7100822-f-9893a70c-0b7a-4880-b65c-4d1a6b9c1684.png?width=428&height=760)
Huawei Y7 - Troubleshooting - I can't use my phone's internet connection (Cause 1 of 4) | Vodafone Australia
![When using a 2G/3G SIM card, the 4G icon appears intermittently and then my device disconnects from the mobile data network | HUAWEI Support UK When using a 2G/3G SIM card, the 4G icon appears intermittently and then my device disconnects from the mobile data network | HUAWEI Support UK](https://consumer-tkbdownload.huawei.com/ctkbfm/servlet/download/downloadServlet/H4sIAAAAAAAAAD2QzU7DMBCE38Xngnb9b06NHVflgjiUc2UnbrDUplWagADx7jhRxN5G-2lmND9kuqfh8HVL5Ikg2ZD2-tmvkhV5yuf0Ei6zTP1DF4_5Erp0hOUQgVJUaPTjre9W-jWM74Vudcu4bKTgNPLQqKjZKckQI2tE5EoUOubv57ag-2q7eANwBMVoeTVDCmO-9oc8R6MEwxlwwBK6Iffc9WGchrkUSOl8vaOq4horROvQMfBGG5AUrKiZBeOd3Alr60pQXvydN857JVGAKVkf4Zzbt_8VxmFKS7d1hX1Ffv8AyXLbaSYBAAA%3D.png)
When using a 2G/3G SIM card, the 4G icon appears intermittently and then my device disconnects from the mobile data network | HUAWEI Support UK
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