Procedure
Open UnlockTool
1. Clcik OPPO Tab
2. Search: Oppo A83 [TESTPOINT]
3. Select: [BROM] FACTORY RESET
4. TESTPOINT & Insert USB Cable
Sa FRP Dial *#813#*
Open UnlockTool
1. Clcik OPPO Tab
2. Search: Oppo A83 [TESTPOINT]
3. Select: [BROM] FACTORY RESET
4. TESTPOINT & Insert USB Cable
Sa FRP Dial *#813#*