Before you touch the phone, ensure your workstation is ready.
Alternatively, a full factory reset via EDL mode also removes the pattern but wipes user data. The “verified” method described below preserves user data. oppo+a92+pattern+unlock+umt+verified
A frequent issue is the "Init Handshake Sequence Failed" error. This is usually solved by ensuring you have the latest Oppo Qualcomm/MTK drivers installed and are using the most recent version of the UMT software. Before you touch the phone, ensure your workstation is ready