Then just click on the right link below and see how to turn off factory reset protection android on SAMSUNG Galaxy A8 (2018):
But there are some methods to bypass google account verification after reset, to check which Factory Reset Protection Bypass will work with yours SAMSUNG Galaxy A8 (2018) you need to check SAMSUNG Galaxy A8 (2018) operating system version and date when security patch was issued. After a Factory Reset, you will see a message “This device was reset, to continue to sign in with a google account that was previously synced on this device”, it literally means that SAMSUNG Galaxy A8 (2018) is completely locked and useless. Imagine a situation where you bought a used SAMSUNG Galaxy A8 (2018), and a previous owner forgot to log out and remove a Google Account.