In the source folder, select the folder created during the decryption step (Step 2).
To remove the lock on a Sony Xperia Z5 Premium Dual (E6833) using an FTF file, you must flash the device with its stock firmware using the
Once the process is complete, unplug the USB cable from your phone and press the Power button to turn it on. sony e6833 lock remove ftf
18;write_to_target_document1a;_olrtaYuMK8SgseMP7N_0qQU_20;4f5; Open Flashtool and click the (X) icon. Select Xperia Z5 Premium Dual (E6833)0;481; 0;784; from the list.
Wait for the process to complete ("Flashing finished" message). In the source folder, select the folder created
For the E6833, a device that was once a flagship, the struggle to find and flash the correct FTF is often the final battle in keeping the hardware functional. It is a technical ritual—downloading gigabytes of data, installing legacy drivers on modern PCs, and crossing fingers during the "Flashing" bar's progress—that defines the hobbyist experience. Conclusion
Release the volume button immediately once Flashtool registers the connection and closes the instructional pop-up box. Step 5: Execute the Lock Removal and Reboot Select Xperia Z5 Premium Dual (E6833)0;481; 0;784; from
An file is Sony’s proprietary firmware bundle — a complete ROM image created using tools like Flashtool (by Androxyde) . Unlike OTA updates, an FTF allows you to flash the entire system, kernel, and userdata partitions. For lock removal, the trick is to flash a tailored FTF that bypasses or resets the security locks.
You need a compatible firmware file for the E6833 model. Some community sources offer a specific, lightweight "Lock Remove FTF" (approx. 109MB) designed specifically to wipe only the lock settings, while others use a full stock firmware. Battery: Charge your device to at least 50%. Step-by-Step Removal Guide
Navigate to C:\Flashtool\drivers and run Flashtool-drivers.exe .