                                                                   Revision : 01
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Software name      MediaTek MT7921 Wireless LAN Driver for Windows

Support models     ThinkPad L14 Gen 2 (Machine Types: 20X1, 20X2)
                   ThinkPad L15 Gen 2 (Machine Types: 20X3, 20X4)

Operating Systems  Microsoft Windows 10 64-bit (1909 or later)
                   Microsoft Windows 11 (21H2 or later)

                   Refer to marketing materials to find out what computer models
                   support which Operating Systems.

Versions           22.30.1.1345

Support device     MediaTek Wi-Fi 6 MT7921 Wireless LAN Card


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WHAT THIS PACKAGE DOES

  This package installs the software (MediaTek Wireless Driver) to enable
  the following device.

  Device name
  -----------------------------------------
  MediaTek Wi-Fi 6 MT7921 Wireless LAN Card

  Device name in the Device Manager
  -----------------------------------------
  MediaTek Wi-Fi 6 MT7921 Wireless LAN Card

  Refer to marketing materials to find out what computer models support which
  devices.

  If this package has been installed, updating (overwrite-installing) this
  package will fix problems, add new functions, or expand functions as noted
  below.

  This program is language independent and can be used with any language system


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CHANGES IN THIS RELEASE
  Versions 22.30.1.1345

[Important updates]
  Nothing.

[New functions or enhancements]
  Nothing.

[Problem fixes]
- Fixed issue which show "Start Rtsp failed" when miracast to Panasonic TV.


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DETERMINING WHICH VERSION IS INSTALLED


 [Windows]

  1. Hold down the Windows logo key and press X to open a menu at the lower-left
     area of the screen.
  2. Press "M" key to open Device Manager.
  3. At the popup window left, click Device.
  4. Double-click Network adapters.
  5. Double-click MediaTek Wi-Fi 6 MT7921 Wireless LAN Card.
  6. Select the Driver tab.
  7. Check Driver Version.


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NOTES

  Nothing.


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INSTALLATION INSTRUCTIONS


Note:
- If your computer runs satisfactorily now, it may not be necessary to update
  the software. To determine if you should update the software, refer to the
  Version Information section.


Manual Install

  This section assumes to use Internet Explorer and Windows Explorer.

  Downloading file
  1. Select the underlined file name. Once this is done, some pop-up windows
     will appear.
  2. Follow the instructions on the screen.
  3. In the window to choose Run or Save, select Save.
  4. Choose the folder you would like to download the file to, and select Save.
     A different window will appear and the download will begin and complete.
     Once the download has completed, there may or may not be a message stating
     that the download completed successfully.

  Extracting file
  5. Make sure to be logged on with an administrator account.
  6. Locate the folder where the file was downloaded.
  7. Locate the file that was downloaded and double-click/double-tap it.
  8. Follow the instructions on the screen.
  9. In Extract or Install? window, select "Install", click Next, and move to
     step 13 to contiue installation.
     Or, select "Extract only" and click Next to extract and keep the files on
     the specified folder.
 10. In the Select Destination Location window, select Extract. If you would like
     to select a different folder, select Browse.
 11. All the necessary files will be extracted to the folder selected in the
     step 10.
 12. Click Finish.

  Installing files
 13. In the Ready to Install window, click Install. All the necessary files will
     be extracted to the temporary folder. And extracted files will be deleted
     after installation.
 14. Click Finish.
 15. Follow the instructions on the screen to complete installation and restart
     the computer.
     IMPORTANT: Make sure to restart the computer after installation.


Unattended Install

  This is for system administrators' use only.

  1. Refer to the Manual Install section, and download the file.
  2. Open command window as admin, and run "r1jmw16w.exe /verysilent" to do
     silent installation.


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UNINSTALLATION INSTRUCTIONS


Manual Uninstall

 [Windows]

  1. Start Windows and logon with an administrator account.
  2. Press "Win+X" key, then press "M" key to open Device Manager.
  3. Left-click MediaTek Wi-Fi 6 MT7921 Wireless LAN Card
     of Network adapters, then at the popup window,
  4. Click "Uninstall".


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VERSION INFORMATION

  The following versions have been released to date.

  Version       Build ID    Rev.  Issue Date
  ------------  --------    ----  ----------
  22.30.1.1345  R1JMW16W    01    2022/12/23
  22.30.1.1342  R1JMW15W    01    2022/09/29
  3.0.1.1314    R1JMW13W    01    2022/04/28
  3.0.1.1300    R1JMW12W    01    2022/04/06
  3.0.1.1239    R1JMW11W    01    2022/01/13
  3.0.1.1228    R1JMW10W    01    2021/11/25
  3.0.1.1198    R1JMW08W    01    2021/08/31

  Note: Revision number (Rev.) is for administrative purpose of this README
        document and is not related to software version. There is no need to
        upgrade this software when the revision number changes.

  To check the version of software, refer to the Determining which version is
  installed section.


Summary of Changes

  Where: <   >        Driver version number
         [Important]  Important update
         (New)        New function or enhancement
         (Fix)        Correction to existing function

<22.30.1.1345> (R1JMW16W)
 -(Fix) Fixed issue which show "Start Rtsp failed" when miracast to Panasonic TV.

<22.30.1.1342> (R1JMW15W)
 -(New) Updated to support Microsoft Windows 11 22H2.
 -(Fix) No Internet after connected to special 5GHz Enterprise network.

<3.0.1.1314> (R1JMW13W)
 -(Fix) Fixed Scan no AP found issue when do usual test.

<3.0.1.1300> (R1JMW12W)
 -(Fix) Fixed an issue which couldn't connect to AP2 when roaming from AP1.

<3.0.1.1239> (R1JMW11W)
 -(Fix) Fixed an issue where Wifi will auto turn on after turn off then reboot system.

<3.0.1.1228> (R1JMW10W)
 -(New) Added Windows 10 1909 support.
 -(New) Added Windows 11 support.

<3.0.1.1198> (R1JMW08W)
 -(New) Initial release for ThinkPad L14 Gen 2 (Machine Types: 20X1, 20X2)
                            ThinkPad L15 Gen 2 (Machine Types: 20X3, 20X4)


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LIMITATIONS

  Nothing.


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TRADEMARKS

* Lenovo and ThinkPad are registered trademarks of Lenovo.

* Microsoft, Internet Explorer and Windows are registered trademarks of
  Microsoft Corporation.
* MediaTek is a registered trademark of MediaTek Incorporated.

Other company, product, and service names may be registered trademarks,
trademarks or service marks of others.