whatnotes

Huawei e220 is a modem with usb interface. This modem is used for wireless internet accsess using 3,5G ; 3G or 2G.
Some 3G operators lock the device operator.

How to unlock? (Upgrade 3,6 to 7,2)
1. Use laptop for more stable electricity.
2. Download the latest firmware. http://www.mobilebroadbandrocks.com/huawei-e220-72mbps-firmware-update
3. Connect your huawei e220 and close another application using it.
4. Execute the file. Wait the flashing process. Don’t shut down your computer or disconnect the device.
5. To get original version software, download http://www.huawei.com/mobileweb/en/doc/list.do?type=-1&id=736
Eg :E220-UTPSB002D03SP16C03 (Normal). Contain mobile partner (better than mobile connect).
6. Extract and execute the file. Wait the flashing process. Don’t shut down your computer or disconnect the device.
7. Install your new software from your modem. Setting your Apn and finish.