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#Huawei usb dongle speed slow upgrade#
Since the release of Windows 7 users have reported a number of issues that require a firmware upgrade to the modem.
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End-users can use also third-party open source software PyHumod or freeware MWconn. Some network operators selling the E220, however, replace Huawei's software with their own, which often is software-locked ( albeit not SIM-locked) to work only with the operator's own network.
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The standard software by Huawei is called Mobile Partner and is indicated by the code UTPS. The Huawei E220 includes its own Windows software in its internal memory, which self-installs through the Windows's auto-start feature and can be flashed (overwritten) by the end user. It is still possible to connect an external antenna without opening the device and using the (internal) external antenna connector, which together with the use of a high gain antenna like an LPDA or an OMNI booster antenna and an adapter, can considerably improve signal strength.Īnother cheap and functional way of connecting an external antenna is to open the modem, remove the small internal antenna, and solder a UMTS-antenna cable onto the board, though this invalidates the warranty. The external antenna connector is not accessible without opening the device (voiding any warranty).
The E220 antenna is internal the USB cable does not act as an antenna. If the connection is frequently disrupted or is unstable (or usable at slow speeds only), the two plug USB cable should be used instead.
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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 mA ( milliamperes) required for the device to work from one USB interface only. The device comes with two cables, one short and one long. The E220 connects to the computer with a standard Mini USB cable.
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However updating the modem's firmware may remove this network-unlock or even the opposite, turn a network-unlock free modem into an unlocked one. Updating the modem's Dashboard does not remove or affect the network-lock (that may be in effect with modems purchased subsidized from a service provider) that prevents you from using the modem with any service provider. using a firmware provided by service provider "X" with modem supplied by service provider "Y") their modems without trouble. The standard way of obtaining firmware updates is through the service provider, however some firmware updates are publicly available over the Internet and some users have cross-flashed (i.e. Huawei does not publicly release firmware updates for its devices, only Dashboard updates. It is possible to remove the operator branding by flashing the device with Huawei's Mobile Partner software. This feature can be bypassed by pressing the Shift key while attaching the device, or by turning off the autostart feature entirely. When the device is first attached, Windows will automatically run the software stored on it, unless that feature has been turned off in Windows. Flashing the firmware of this device doesn't change the USB Mass Storage memory used for the operator's software, therefore connection settings (such as APN) will be retained. Huawei's Dashboard and updates for it are also available from Huawei's website, or the 11.313.02.00.01 firmware for 7.2 Mbit/s from NetCom (in reality 'flashing' this device means writing a firmware image to its internal flash memory, which is different from "updating the dashboard", which is simply writing a new CDFS disc image to the USB mass storage device that appears in the operating system). In this memory, E220 devices supplied by mobile operators may contain 3G dialer software written by the operator, while Huawei-branded devices contain Huawei's original dialing software, which they call 'Dashboard'. The device contains not only the cellular antenna but also about 22 MB (10 MB on older versions) of storage memory accessible to the operating system as a USB mass storage device formatted with CDfs, thus emulating a CD-ROM drive.
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