Here’s concise, actionable info to download and install Android 8.0 (Oreo) / ColorOS update for the OPPO F3.
A: No. Oppo skipped Oreo for the F3 and moved to ColorOS 5 for newer devices only. Oppo F3 Update 8.0 Download
Option B — Manual full firmware install (use if OTA unavailable) Here’s concise, actionable info to download and install
If you are still rocking the classic Oppo F3, you might be looking for ways to breathe new life into it with the Android 8.0 Oreo update. While many users hope for a late-stage official release, the reality of the software lifecycle for this device is a bit more complicated. The Official Word: Did Oreo Ever Arrive? Step 1: Check Your Current Software Version Part
Because there is no official 8.0 update, users determined to get Oreo features must turn to the developer community. Custom ROMs like have historically offered unofficial ports for older Oppo devices. OPPO System Upgrade Tool | OPPO India