A factory reset, while effective, wipes all data and settings from your device, returning it to the state it was in when you first bought it. This means you’ll lose all your apps, photos, messages, and other data stored on the device. If you haven’t backed up your data, a factory reset can result in significant data loss.
How to turn off a Samsung Galaxy A5 without the PIN: Hold power + volume down buttons to do a hard reset, until you feel the phone vibrate. Quickly switch and hold volume up + power + home. You should see a blue Android screen saying "updating". When you see the Android "no command" screen, hold power and press volume up to boot into recovery mode.
Step 1: Open the Settings app on your device and tap on "Cloud and Accounts". Step 2: Up next, select "Account", then locate your Google Account from the options displayed on your screen. Step 3: Click "Remove Account". By doing so, the Gmail account will be removed from your mobile device instantly.Afterward, choose your smartphone, like Samsung A12, from the given devices. Step 2: From the displayed options in the right panel, select "Erase Data" by clicking on it. Once done, click on "Erase" again to proceed with the factory data reset process of your Samsung Galaxy A12. Step 3: To confirm the action, enter your Samsung account password9PZ3.