Windows 10: 2004 - "Can't connect to this network, cellular data isn't working properly. try again later"

The cellular internet (Sierra Wireless EM7345) is no longer working after the update from 1909 to 2004.

There seems to be similar report for another WWAN device https://community.telkom.co.za/t5/L...o-Telkom-Internet-Cellular-network/td-p/24083

submitted by /u/puppy2016
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:)

 

Printer isn´t working after latest update.

After the latest update from Windows, my Canon Pixma ip6600 printer isnt working. In Device Manager it shows up as working properly but when I go to print it isn´t listed as an option in any programs. Troubleshoot suggests it´s a USB 2 printer on a USB
3 port and that that´s the problem but that cant be since it worked fine before the update. I´ve tried to uninstall and plug it back in but that doesn´t work either.

 

Cellular Disconnected

I have a cellular modem in my Dell Precision 3520. I used it Friday without any problems at all. Today, as I'm at work, I cannot connect to AT&T's cellular network.

When I click the network icon in the system tray, it shows my cellular connection as "AT&T (HSPA)" and then reads "Disconnected" underneath it. It shows 5 bars. If I open network properties and try to troubleshoot the adapter, it gives me a SIM2 error that says I need to enter a PIN code (there is no PIN code on the SIM card, but just for troubleshooting purposes I added one, still got the same error, and then ultimately removed it again).

Things I have tried so far:

• Toggling cellular on/off
• Rebooted computer (several times)
• Uninstalled and reinstalled the driver (twice)
• System restore to the point where it was working the other day
• Ejecting the SIM card and reinserting it
• Verifying that data is turned on with my AT&T count
• Enabling/disabling PIN code
• Resetting network settings via command prompt
• Creating a new APN (with phone, NXTGENPHONE, etc.)

Any tips?

 

Cellular Data connectivity

The resets don't work. I have found a solution to the Cellular data problem. I manually entered the APN information into the cellular network settings and I can now connect to the T-Mobile cellular data service again. I configured the MMS APN, however,
no luck with the MMS problem. I'm going to dig through T-Mobile's website to see if I can find anything further on MMS APN configuration.