Galaxy a21s/A217F - Samsung Galaxy A21s Questions & Answers

Hi........I have samsumg galaxy a21s/A217F
I have changed pattern into new pattern, but after that I do not remember it because the new pattern was complicated so How to remove lock sceen?
additional information about my device:-
>Not rooted
>Usb debugging off
I have tried:-
>dr fone ,but usb debugging is off and model is not listed ,so it doesn't work
>Aroma (not work on my device because my phone is not rooted)
Anyway I DON'T WANT TO LOOSE DATA

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@ghoscik
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