Updating procedure huawei e220

31-Oct-2020 11:26

I used dc-unlocker to check for information needed later on the steps.

You can download the firmware from several sources.

The Huawei E220 is a Huawei HSDPA access device (modem) manufactured by Huawei and notable for using the USB interface (USB modem).

updating procedure huawei e220-42

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The procedure below has been tested on only ONE Huawei E1550 3G modem.The long one has two USB A interfaces, one used for data and power and the other optionally only for assistance power in case the computer is not able to provide the full 500 m A (milliamperes) required for the device to work from one USB interface only.

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