If you did not select the data wipe options, the lock may remain. You must re-flash and ensure USERDATA is wiped.

: Inside the Flashtool installation directory (usually C:\Flashtool\drivers ), run Flashtool-drivers.exe . Check the options for "Flashmode Drivers" and "Xperia Z5 Premium Drivers" to ensure your PC communicates with the phone.

Because flashing an FTF file performs an absolute factory reset, Android's internal security architecture will flag the device upon boot. If a personal Google profile was active on the phone before the flash, you will run into the page during initial setup.

: A specific .ftf file for the E6833 model. Some users utilize "hot" files (highly compressed or modified for specific lock bypasses). Sony Drivers

using an firmware file, you must use the Sony Xperia Flash Tool (Flashtool) . This process involves "flashing" a specific firmware file that resets the device's user data partition. Prerequisites

Watch the progress bar inside the software interface. If you are flashing a full system file, it can take up to 10 minutes. If you are only wiping user data, it completes in moments.

Wait until a pop-up window appears on Flashtool instructing you to connect your phone. Turn your Xperia E6833 completely . Press and hold the Volume Down button on the phone.

Open Flashtool on your PC (select the 64-bit version if running a 64-bit operating system).

: Under the "Wipe" section, ensure USERDATA and CACHE are checked. This is what removes the lock by clearing personal data. Click Flash . Connect in Flashmode : Power off your phone completely. Hold the Volume Down button.

When you perform a factory reset, the device will ask for the username and password of the last Google account synced to the phone. If you've forgotten these credentials or bought the phone second-hand with the FRP lock still active, you won't be able to get past the initial setup screen. This is the common problem that the "hot" FTF bypass method is designed to solve.

Download and install the latest stable version of Sony Mobile Flasher (typically version 0.9.22.3 or newer for older Xperia legacy series).