: Go to the Flashtool installation folder (usually C:/Flashtool/drivers ), run the driver installer, and select "Flashmode Drivers" and "Fastboot Drivers".
: Once the progress bar reaches 100% and "Flashing finished" appears, disconnect the phone and power it on. Alternative Method: Official Software Repair Download D2105 Xperia Dual lock remove ftf
: Place your downloaded .ftf file into the C:/Flashtool/firmwares folder. Configure Flashtool : Open Flashtool and click the Lightning Bolt icon. Select Flashmode . Choose the firmware from the list. : Go to the Flashtool installation folder (usually
Follow the prompts to reset the device. This will also remove any forgotten pattern or PIN locks. run the driver installer
If you prefer an official route, download the tool from Sony. Select Software Repair .