Oppo F3 (CPH 1609) Flash file successfully written by Hydra Tool 1. Run Hydra MTK Module and Sosc.
2. Choose Brand and Module or leave it as "Auto"
3. Go to "Flash Tool" Tab.
4. Choose Flash file and its location.
5. Tick "Auto Reboot" just above "Execute" button.
6. Click on "Flash"
7. connect device to the computer with USB Data cable
8. Wait until the process is completed.
Screen Short: 
BR
Dipendra Pathak