How do I remove lock screen pattern when the pattern is unknown on a Samsung Galaxy Tab A?

[Kate79]

My daughter's tablet changed her screen lock pattern and now we can't disable the screen lock because we don't know the correct one. How can I fix this?

 

[webworkings]

We cannot help with unlocking a phone. Please read this thread.... http/www.tomsguide.com/forum/id-2317976/read-passwords-lock-codes-pin-numbers.html