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.
– 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