. If a Google account was previously active on the device, you will be required to enter that account's credentials to complete the setup. If those credentials are forgotten, additional FRP bypass methods
To ensure a smooth flashing process without bricking your smartphone, download and install the following tools on a Windows PC:
Click on the (a black icon with a globe and a phone) located on the top right toolbar.
When a pop-up window appears in FlashTool instructing you to connect your phone, follow these precise hardware steps: Power off your Sony Xperia L1 completely. Press and hold the button. Do not let go.