This is the Sony Xperia Z1 driver package which provides the installation files for Sony Xperia Z1 (C6902/C6903/C6906/C6943) USB driver. Note there is also a Sony Xperia Z driver on this website which is listed here.
Sony Xperia Z1 USB Driver
You will first need to download the file and then extract its content. Now open the device manager and then click on the computer name. Now add the legacy hardware and then point towards the INF file of the driver. The driver will now install and you will have access to the Xperia Z1 driver. See also the Xperia A2 driver as well as the Xperia Z1 driver. There is also the Xperia PC Companion on this website
– During the installation of this file, be sure that you are logged in as the Administrator
– To ensure that no other program interferes with the installation
– It is highly recommended that you print out these instructions for use as a reference
Installing the Sony Xperia Z1 USB
This much like the Sony Xperia ZL2 driver this is another INF install. You will need to download the file below and extract the content. From there you will need to right-click on the INF file at the bottom and then click on ‘install’ on the new menu that it shows. Windows will then state that it found new hardware and install the driver. You will need to reboot your computer after this.
The INF drivers are the Sony sa0109 ADB Interface driver as well as the Sony sa0109 RNDIS Interface driver. You can see this is the files shown in the picture above.