Vist to Samsung service center explain them and raise complaint customer care then go service center ask them replace display only option if your do reset or hard reset nothing change finally your result is data loss like imp data better to vist serv...

Then go local service center or Samsung service center they will unlock without any loss your personal data they charge 150 to 200 go head

Use forget password option they ask some information give them correct answer automatically phone get password change try this wave

Go and update all apps play store then Check

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