Hello, if you want to Clear User Lock,

you can try using ISP method via UFI eMMC ToolBox

use "Factory Reset" under Special Task in User Partition Tab

Here the ISP Oppo A3S by Tokinawa, credit to him.

Oppo A3s Remove Pattern lock

Oppo A3s Remove User Lock

Oppo A3s FRP Lock Reset

Oppo A3s Remove Google Account