On this page, we have managed to share the official usb driver for Sony Xperia Z3 L55U Device. If in case you were already searching for the usb driver for this device, then this page will help you out.
Download Sony Xperia Z3 L55U Driver
How to install driver manually
Step 1: Download and extract the driver on your computer.
Step 2: Open Device Manager and Click on Add the Legacy Hardware Menu.
Step 3: Click Next.
Step 4: Select Install the hardware that I manually Select from a list.
Step 5: Locate the extracted driver manually on your computer.
Step 6: Click Add.
Step 7: Your Driver will be installed and listed in the Device Manager.
[*] Driver Signature Error: If you got Driver Signature Error While installing the Driver then See this Video to fix this problem.
[*] Sony Xperia Z3 L55U Stock Firmware: You can download Sony Xperia Z3 L55U Stock Firmware from here.