Step 1. First of all, switch on your Samsung A11 device and connect it to a Wi-Fi network. Step 2. On the welcome screen press the Volume Up and Power key together and then. Power off your Samsung phone. Press and hold " Volume Down + Power + Home " button at the same time. As soon as the phone reboot, release all three buttons and wait. After your Samsung phone reboot, please wait for several seconds, and then you will see a warning sign which appear on your screen. Related questions: Imagine a situation where you bought a used SAMSUNG Galaxy A21 , and a previous owner forgot to log out and remove a Google Account. 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 A21 is completely locked and useless. About This VideoSamsung Galaxy A71 Frp Lock Bypass Google Account Verification Lock Unlock Forget Gmail Account Forget Google Account Lock Remove Android 10.