Sony's official Xperia Companion software can perform a software repair on your device. While this process may help in some cases, it still requires the Google account credentials if FRP is active.
If you are currently stuck on a lock screen, let me know your and Android version so I can recommend the most effective tool or method for your specific device. Share public link Sony Xperia Frp Unlock Tool
This is the most user-friendly on the market. Sony's official Xperia Companion software can perform a