Follow the prompts to reset the device. This will also remove any forgotten pattern or PIN locks.
: Under the "Wipe" section, ensure DATA , CACHE , and APPSLOG are checked to ensure the lock is actually removed. Connect in Flash Mode : Turn off your phone completely. Hold the Volume Down button. Download D2105 Xperia Dual lock remove ftf
While holding the button, connect the phone to your PC via USB. The Flashtool should detect it and begin flashing. Follow the prompts to reset the device
: 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