A21s pattern problem

[kpstarS20FE5G]

My A21s pattern not working but fingprint

 try again dikhara hai baar baar plz solve this problem

[Anonymous]

Factory reset try karna bhai

[Anonymous]

Ya service centre par dikhana

[Jasirmd72]

Ek baar battery zero ho ke switch off hone do
Phir charge karke switch on karo
Tab try karo, shayad restart hone ke baad kaam kar Jaye.

[BannaRajput]

I think you forgot your pattern password rest your device only solution in case You forget your password

[Samsung_Support2]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We would request you to register your concern in Samsung Members Application. So, that our concern team gets back to you as soon as possible.

Please follow this path to register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).

Note. please attach the error log file within 15 minutes of the error occurred.

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Warm Regards, 
Samsung Customer Support