If you encountered any specific errors during the process, let me know. I can provide the or guide you through restoring a lost IMEI number if needed. Share public link

Once the installation finishes, select Reboot . The first boot may take 5–10 minutes. Troubleshooting: "Firmware Update Not Working" If the installation fails, check the following:

A cleaner, more "iOS-like" UI for smoother navigation.

The official ColorOS ROM page (https://www.coloros.com/rom) is the primary source for all Oppo firmware:

If you plan to update using a computer, USB Debugging must be enabled:

The phone will begin flashing the update. Do not touch the device during this process. Once completed, tap . The first boot may take up to 10 minutes. Method 2: Flash via SP Flash Tool (For Bootloop or Brick)

Are you planning to your Oppo F3 after the update, or are you just looking for a clean factory install ?