Hi there and welcome
The only way to remove the lock is to reset the phone, you cannot avoid this sorry and you will lose all data on the phone but it cannot be avoided.
To do the reset
You can then set up the phone again for use
No sorry, it is the whole reason for the lock. If there was as there was with the S2, they patch it within days.
Id you want to use the phone again you have to reset it sorry.
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