Oppo F11 (CPH 1911) Backing all partition except user data by Hydra Tool
1. Run MTK Tool and choose "Sosc"
2. Choose Brand and Module.
3. Tick on "ComPort"
4. Tick on "Auto Broom Exploit", "Enable UBL Loader" and "Enable auto PreDUMP"
5. Go to "Service"--> "Tool"
6. Choose "Backup Partition"
7. Choose "Backup All by Partition except user data" drop down menu.
8. Connect device to computer using USB Data Cable.
9. Wait until the operation is completed
2. Choose Brand and Module.
3. Tick on "ComPort"
4. Tick on "Auto Broom Exploit", "Enable UBL Loader" and "Enable auto PreDUMP"
5. Go to "Service"--> "Tool"
6. Choose "Backup Partition"
7. Choose "Backup All by Partition except user data" drop down menu.
8. Connect device to computer using USB Data Cable.
9. Wait until the operation is completed
Screen Short:

BR
Dipendra Pathak