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X1 Yoga 2017 Sierra modem driver questions

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bwsb
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X1 Yoga 2017 Sierra modem driver questions

#1 Post by bwsb » Tue Jan 23, 2018 12:48 am

Old title:
X1 Yoga 2017/2:nd ed: What is the difference between Lenovo's two Sierra EM7455 4G modem driver packages?

ADMIN warning:
Please keep your titles short and to the point!


Changed into:
X1 Yoga 2017 Sierra modem driver questions

=======================================

This laptop's drivers are listed at https://pcsupport.lenovo.com/us/en/prod ... /downloads .

A confusing circumstance regards the Sierra Wireless EM7455 drivers, which are distributed in TWO forms (both in the "Networking: Wireless WAN" section):

1) Sierra Wireless EM7455 Software for Windows 10 (64-bit) - ThinkPad, 7.47.4743.0105, 2017/10/16 (191MB, nz3wn02w.exe)

2) Sierra Wireless Lenovo Mobile Broadband Driver Package (EM7455) for Windows 10 (64-bit) - ThinkPad, Build.4620/16.8.1030.26, 2017/01/31 (134MB, n1own02w.exe)


Can someone give me a hint about what the difference between these two driver packages is?

I guess it makes no practical sense to install both. Also these are big archives. Additionally confusing is that they have different dates and altogether different versioning schemes.

Any insight here would be much appreciated, thanks!

Puppy
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Re: X1 Yoga 2017/2:nd ed: What is the difference between Lenovo's two Sierra EM7455 4G modem driver packages?

#2 Post by Puppy » Tue Jan 23, 2018 5:49 am

The only important component is the EM firmware version. The driver is already in Windows 10 because it uses standard MBIM interface. Get the most recent one.
ThinkPad (1992 - 2012): R51, X31, X220, Tablet 8

bwsb
Freshman Member
Posts: 97
Joined: Sat Jun 12, 2010 12:33 pm
Location: Stockholm, Sweden

Re: X1 Yoga 2017 Sierra modem driver questions

#3 Post by bwsb » Wed Jan 24, 2018 2:27 am

Puppy, thanks for responding! :)

Now, So the first package has version "7.47.4743.0105" and the second one has version "Build.4620/16".

Can you even correlate these?

Do you understand why they distributed two in the first place?

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