What does it fix?
Improve GNSS (Huawei) Driver.

Manual installation instructions
1. Exit all running programs.
2. Download this update and save it to your hard drive.
3. When the download is completed, locate the downloaded file inthe location you specified.
4. Double-click EP0000311567.exe to run it.
5. Wait while the wizard updates your software.
6. When the installation is complete, restart the VAIO.