Theres a short circuit on your phone That mean you need to change the charging port and aux port too

More info abou this build might help us to solve your problem

Just hold the power button and volume down for 3 sec It will force restart

If you have find my phone active Then go to https://smartthingsfind.samsung.com/logi... And log in and you will find an unlock button Also you need a wifi connection or data celler active and location too I hope i you underatand sorry for my bad english Best wishis .. Eng hossam