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 Originally Posted by dkirker
So... I mucked with my first MC7700 and screwed it up. So definitely be careful with flashing firmware and switching modes. I managed to get my MC7700 into MBIM mode, and apparently stuck in an inoperable state (it shows up, but doesn't accept commands -- so if someone knows how I can revert this, I would really appreciate it!!). I am not even sure that MBIM mode is supported by the MC7700, so.... ooops! So definitely be careful! I bought a second MC7700 off of eBay, so I think I am back up and running. For some reason my Lenovo T420 doesn't like something with the mPCI-E connector, so I can't really work with the new one in my laptop.... :/
About the T420 , did you put the whitelist free bios ?
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