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How to fix Xperia Z3 Dual flashtool driver too old error?

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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. Screenshot of Error
Asked by Salitha Indrajith Pathiraja (121 rep)
Feb 9, 2019, 10:05 AM
Last activity: Mar 26, 2021, 09:08 PM