Oppo does not provide official bootloader unlock codes like Xiaomi (Mi Unlock) or Google. To root the F11, you generally need to exploit a vulnerability in the MediaTek Preloader or use a leaked engineering ROM—both of which require advanced Linux terminal knowledge.
at the bottom of the screen to begin the rooting process. Once the installation finishes, tap Reboot System . Verifying Root Access
What is your (found in Settings > About Phone)?
