![]() ![]() To undestand your case more clearly, could you provide current modem IDs?ĭevice Manager, Details tab, Option list, Hrdware ID. It's impossibe to force unapproved wwan modem to work in the Lenovo laptop without additional efforts, mainly non legit. ![]() Dell 5809e and Lenovo branded em7305 are the same modems, based on the original Sierra em7305 master design, but have different USB IDs for modem' virtual devices in the operational mode. Original Dell branded built-in wwan modem shouldn't work in Lenovo laptops as there is a white list of approved wireless devices in the BIOS, laptop just hangs at the POST stage of the boot process with error 1802.Įvery wwan modem has USB identificators, unique for its maufacturer and model.
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