# Lenovo ThinkPad T470s laptop, not working WWAN , Windows 11 ver 23H2 **URL:** \ **Category:** Uncategorized\ **Created:** [January 11, 2025, 3:56am UTC](https://forum.sierrawireless.com/t/lenovo-thinkpad-t470s-laptop-not-working-wwan-windows-11-ver-23h2/34303 "2025-01-11T03:56:31Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\ **Post date:** [January 11, 2025, 4:57am UTC](https://forum.sierrawireless.com/t/lenovo-thinkpad-t470s-laptop-not-working-wwan-windows-11-ver-23h2/34303/2 "2025-01-11T04:57:08Z")
which module are you using? BTW, you can have a look on these threads: > [@Lenovo ThinkPad t470s even the sim card is installed nothing is happening](https://forum.sierrawireless.com/t/lenovo-thinkpad-t470s-even-the-sim-card-is-installed-nothing-is-happening/32194/3): > > I did see a device called sensors after I installed the driver but I uninstalled it, so if there is any errors it will detect and install the driver again but it didn’t happened, so now I don’t have anything in device manager and I used the em7430 module > [@EM7455 Not Recognized in Win11 after restart during device config](https://forum.sierrawireless.com/t/em7455-not-recognized-in-win11-after-restart-during-device-config/30956/4): > > Thanks for your reply. I powered down the laptop, powered back on and then the EM7455 reappeared: [image] I have successfully flashed to the latest generic firmware as well: --- _[View the full topic](https://forum.sierrawireless.com/t/lenovo-thinkpad-t470s-laptop-not-working-wwan-windows-11-ver-23h2/34303)._