If you bought the phone used or entirely forgot your primary login details, the FRP lock will stop you from accessing the home screen. You can try an updated bypass technique outlined by resource hubs like HardReset.info : How to restart F+ SA55?, How To - HardReset.info
enabled, you may be able to reset the device remotely using a web browser on another computer. Other Security Methods how to unlock f sa55 hardresetinfo updated
This is the most reliable data-saving method. It uses a Google service to remotely lock or erase your device. If you bought the phone used or entirely