The Oppo F3 runs on the MediaTek MT6750 processor. MediaTek dropped software optimization support for this specific chipset after Android Nougat, making official Oreo development difficult for Oppo.
Once unlocked, download the correct TWRP image (search “TWRP CPH1509 Oreo compatible” on XDA). Use fastboot:
The Oppo F3 Android 8 update is a significant improvement over the previous version, bringing new features, improved performance, and security patches. However, the update process can be cumbersome, and users should exercise caution when installing. Overall, we recommend that Oppo F3 users upgrade to Android 8 to take advantage of the latest features and security patches. oppo f3 android 8 update download
Installing custom software carries inherent risks. Read these warnings carefully before proceeding:
Since there is no official from the company, the only way to get Oreo is by flashing a custom ROM. Warning: This process voids your warranty, wipes all data, and carries a risk of bricking your phone if not done correctly. Proceed only if you are an advanced user. The Oppo F3 runs on the MediaTek MT6750 processor
However, given the hardware limitations of the MediaTek MT6750T chipset, performance might not have improved significantly.
The Android 8 (Oreo) update on Oppo F3 brings a host of exciting features, including: Use fastboot: The Oppo F3 Android 8 update
Search for or CPH1609 (the model number for F3) and locate the Android 8.0/ColorOS 5.0 firmware. Download the .zip firmware file.
Charge your phone to at least 70% to ensure it does not turn off during the installation process.
The device will automatically check the Oppo Update Servers for any available OTA (Over-The-Air) packages. If an update is found, tap . Running Android 8.0 via Custom ROMs