To find this feature, first enter an incorrect pattern or PIN five times at the lock screen. You'll see a " Forgot Pattern" or "Forgot PIN" or "Forgot Password" button appear. Tap it. Yo'll be be prompted to enter the user and password of the google account associated with your android device.
We have a PC software that unlocks android phone without wiping data. It's so simple but there is also another way to unlock by loading recovery mode and hard reset the phone in no time but you actually lose complete data.
If it happens to me, the best option is to ask for help from a technician. It is unfortunate that I cannot do this with my own skill. There are some smartphone shops that can help us.
There are many ways to open your smartphone if you have forgotten the password. Some include turning off your smartphone's battery, hitting the key Kutools tab in theomersal Lizard, or pressing the start and end keys at the same time.
After you've tried to unlock your phone multiple times, you'll see "Forgot pattern." Tap Forgot pattern. Enter the Google Account username and password you previously added to your phone. Reset your screen lock. Learn how to set a screen lock.
There is always the forget PIN button on the mobile phone screen which pops up after you have used up a certain amount of tries but in older phones which do not have this button you need to take it to a repair shop.