Remove Ftf — Sony C6802 Lock
Open the Flashtool application ( Flashtool.exe for 32-bit systems or Flashtool64.exe for 64-bit systems).
While flashing an FTF file to remove a lock is a powerful tool, it comes with responsibilities and risks.
How to Remove the Screen Lock on Sony Xperia Z Ultra (C6802) Using an FTF Firmware File
Open Flashtool on your PC and click the "Flash" (lightning bolt) icon. sony c6802 lock remove ftf
How to Remove Lock Screen on Sony Xperia Z Ultra C6802 Using FTF Firmware Forgetting your pattern, PIN, or password can render your Sony Xperia Z Ultra (C6802)
: This can happen if your USB cable is damaged. Try a different, preferably original, Sony USB cable. Also, try using a different USB port on your computer, ideally a USB 2.0 port, and connect the cable directly to the motherboard (on the back of the PC case) rather than through a front panel or USB hub.
Note for Windows 10/11 users: You may need to disable in Windows advanced boot options before running the driver installer, otherwise the drivers will fail to install correctly. Step 2: Prepare the FTF Firmware File Locate your downloaded .ftf firmware file for the C6802. Open the Flashtool application ( Flashtool
Flashtool will spend a few moments preparing the firmware files. Once ready, a pop-up window with visual instructions will appear, prompting you to connect your phone. Turn off your Sony Xperia Z Ultra completely.
Release the button when the LED indicator light on the phone turns . This signifies that the device has successfully entered Flashmode. Step 5: Flash the Firmware and Remove the Lock
Wait until the log screen at the bottom reads or "Processing of system.sin finished" . Disconnect the USB cable from the phone. How to Remove Lock Screen on Sony Xperia
A: Yes. Xperia Companion's "Software repair" function accomplishes a similar result (factory reset) and is easier to use. However, Flashtool offers more control and often works when Companion fails.
Not ready to flash firmware? Here are other options worth considering:
(this is the step that actively wipes the lock pattern or PIN). Leave the rest of the default boxes as they are and click 3. Connect Your Xperia Z Ultra
