1. HUAWEI TECHNOLOGIES CO., LTD. Page 1 Firmware Upgrade & Dashboard Update of Huawei E220 USB Modem HUAWEI TECHNOLOGIES CO., LTD.

2. Page 2 Firmware Upgrade

3. HUAWEI TECHNOLOGIES CO., LTD. Page 3 Firmware Upgrade To connect E220 to a PC, follow these steps. 1.Insert the Mini-USB connector of the main USB data cable into E220. 2.Insert the main and auxiliary USB data cable connector into the USB interface of the PC.

4. HUAWEI TECHNOLOGIES CO., LTD. Page 4 Firmware Upgrade 3.E220 will be recognized by the system and the dashboard will be automatically activated. 4.Please close the dashboard before proceeding to the next step. 5.Double click the firmware upgrading file. 6.A window screen will pop up. 7.Select “Yes” to go ahead the upgrade process.

5. HUAWEI TECHNOLOGIES CO., LTD. Page 5 Firmware Upgrade 8.In the process of upgrading the firmware. Wait until it finish.

6. HUAWEI TECHNOLOGIES CO., LTD. Page 6 Firmware Upgrade 9.Select Finish to completing the firmware upgrade.

7. HUAWEI TECHNOLOGIES CO., LTD. Page 7 Dashboard Update

8. HUAWEI TECHNOLOGIES CO., LTD. Page 8 Dashboard Update To connect E220 to a PC, follow these steps. 1.Insert the Mini-USB connector of the main USB data cable into E220. 2.Insert the main and auxiliary USB data cable connector into the USB interface of the PC.

9. HUAWEI TECHNOLOGIES CO., LTD. Page 9 Dashboard Update 3.E220 will be recognized by the system and the dashboard will be automatically activated. 4.Please close the dashboard before proceeding to the next step. 5.Double click the dashboard updating file. 6.A window screen will pop up. 7.Select “I accept the agreement” and then select Next.

10. HUAWEI TECHNOLOGIES CO., LTD. Page 10 Dashboard Update 8.Select Start and a warning message will appear. Select Yes to continue.

11. HUAWEI TECHNOLOGIES CO., LTD. Page 11 Dashboard Update 9.In the process of updating the dashboard. Wait until it finish.

12. HUAWEI TECHNOLOGIES CO., LTD. Page 12 Dashboard Update 10.Select Finish to complete the dashboard update.

13. HUAWEI TECHNOLOGIES CO., LTD. Page 13 Thank You www.huawei.com