Before you update the Huawei E220,
Please do not do this update,
* If your Huawei E220 modem still works under warranty.
* If you don't need to make your modem supports up to 7.2 Mbps.
Get the firmware from this link
At the beginning backup all the files which are in the modem to your PC. Then, close all the application which run on your PC.
Hence, it will pop up a message for confirming firmware update, click yes to start the update. It will update the firmware of the modem to version 11.117.10.03.99 and this update process may take approximately 5 minutes.
Please remember to put your comments below for this article.