Open Unlocktool
1. Select Oppo
2. Click Oppo F9 (CPH1823)
3. Click Factory Reset (2) EMMC Under META
4. Off Unit /Hold Volume + & - /Insert USB Cable
for FRP just Dial *#813#
1. Select Oppo
2. Click Oppo F9 (CPH1823)
3. Click Factory Reset (2) EMMC Under META
4. Off Unit /Hold Volume + & - /Insert USB Cable
for FRP just Dial *#813#