Why are we here, What are we striving for?

Install the Sony Xperia drivers, which are often found in the drivers folder within the Flashtool installation directory. Step-by-Step Lock Removal

After the hot flash, the E6833 will not automatically reboot.

While holding the button, connect the phone to your PC via a USB cable.

By flashing a pre-unlocked TA partition or modifying the rooting_status byte from 0x1 (Locked) to 0x3 (Unlock Allowed/Unlocked), the device boot chain is tricked into believing it is in an unlocked state.

This method assumes your and USB debugging is OFF . It does not require root or an unlocked bootloader.