: 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 C:/Flashtool/drivers ), run the driver installer, and select "Flashmode Drivers" and "Fastboot Drivers". 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. : Place your downloaded
: 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. run the driver installer