Procedure
Open Unlocktool
1.Select MEDIATEK TAB
2.Click Custom Preloader|EMI
3.Select: Model Oppo A54 [CPH2239]
4.click FORMAT DATA
5. TESTPOINT and Connect USB cable
Open Unlocktool
1.Select MEDIATEK TAB
2.Click Custom Preloader|EMI

3.Select: Model Oppo A54 [CPH2239]
4.click FORMAT DATA
5. TESTPOINT and Connect USB cable