How to fix Xperia Z3 Dual flashtool driver too old error? I'm trying to install .575 firmware on my Xperia Z3 dual D6633 device with flashtool but as  i connected to the pc (with vol down pressed) flashtool says ERROR - Device connected in flash mode but driver is too old. How I can fix this?
I'm on latest Marshmallow update and unlocked bootloader.
Go to drive C and locate C:\Flashtool\drivers.
&quot;flashtool&quot; folder. Open it. Then folder &quot;drivers&quot;, open the folder. You will see an application &quot;flashtool drivers&quot;. Run this application as admin. Select the flash tool drivers and the fastboot drivers.
Follow the wizard by pressing next.
You must be connected to internet.