For devices that aren't connected to Wi-Fi or for users who have forgotten their Google credentials, Sony’s official PC software provides a feature. This will factory reset the phone and erase all internal data.
Hold the button while connecting the USB cable to your PC.
If your LT26i is running its original Android 2.3 or 4.0 software and is connected to the internet, you can use your Google account credentials to bypass the lock without losing your photos or messages. Enter an incorrect pattern .
Follow the on-screen instructions to finish the repair and wipe the device. 3. Hardware Key Factory Reset
On some firmware versions, use Power + Volume Up until the phone vibrates. Continue holding until the recovery screen appears to select "Clear Storage" . Master Reset SONY Xperia S LT26i - HardReset.info
Wait 30 seconds until a button appears at the bottom of the screen. Tap it and select "Enter Google Account Details" . Type in your primary Gmail username and password.
Check the box that says and click Next.
