Vodafone 3g Modem Driver Download [Extra Quality]
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Vodafone 3g Modem Driver Download
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Again not liking dubious unlock applications (which might come with all kinds of malware, and/or just 'brick' the dongle),I looked for other approaches. It seems that the 8-digit 'unlock' code for Huawei modems can bemathematically/algorithmically derived from the IMEI number. While you can download questionable apps to do this, there'salso a few websites which will calculate the code for free and with no-nonsense on a web-page.
Huawei dongles appear as multiple devices within one physical USB device: they contain the 'modem' part, a 'virtual CD'which (you can see in Windows Explorer) contains the driver/'lite' version of the connection manager software, andsome like the E1752 also have a memory-card.
It appears that with some systems (motherboards?) and/or if drivers for different Huawei devices already exist on asystem that not all parts of the device are registered properly by the OS. One fix is to disable everything except themodem part. (Obviously this means that you won't have access to the on-board software until/unless you re-enable it. If younormally use a 'full' version of the connection manager on your system then this won't be a problem.)
Having disabled all but the modem on the E1752, it was then recognised by my Windows XP computer and immediately picked up by Vodafone Mobile Connect, and a successful connection made.On speedtest.net and a connection via Vodafone I now get ping times of 135ms, 45Mbps download (or more) and 1Mbps upload.
On further investigation, the systems (both Win XP and Win 7) seem to be a bit flaky about recognising all the modem capabilities (in particular the 'modem' and COM-port interface part as opposed to the CD-ROM part) depending on which USB socket it's plugged into and maybe relative to which USB sockets have previously had drivers installed. That said, tinkering with the U2DIAG parameter seems to reset things and/or force a driver reinstall which gets things moving.Interestingly and with hindsight, this issue may be significantly behind the "error 619" error-messages which usedto generate a lot of traffic on Vodafone's support forums... :-)