Find "Updates"
If required, click Advanced.
Click the top left icon.
Click Updates.
Update USB modem application
Follow the instructions on the screen to update the USB modem application.
![Huawei Ultra low stick K3771/Windows Vista Huawei Ultra low stick K3771/Windows Vista](http://wmstatic.global.ssl.fastly.net/ml/7200918-2800431.png?width=480&height=480)
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