OPPO officially began rolling out the Android 8.0 Oreo update for the F5 in the first half of 2018. The update was delivered over-the-air (OTA) in batches, meaning not every device received the notification at the same time. It was a significant update, weighing in at approximately 1.5GB to 2GB, so a stable Wi-Fi connection was highly recommended.
When installed, the update brought the core Android 8.0 Oreo framework while upgrading OPPO’s custom skin to ColorOS 5.0 (later refined to 5.1).
Q1: Is there an Android 9 Pie update for OPPO F5? No. OPPO officially confirmed that the F5 would not receive Android 9 Pie. The Oreo 8.1 update was the final major OS upgrade. oppo f5 android 80 oreo update
Q2: My OPPO F5 says "System Update Failed." What do I do? Clear the cache partition (Turn off > Hold Volume Down + Power > Wipe Cache). Then, download the full OTA package from OPPO’s support website and flash via recovery.
Q3: Did Oreo kill my battery? Initially, yes. The first 48 hours after any major update involve background re-optimization. Let it settle for two days. If the drain persists, perform a factory reset. OPPO officially began rolling out the Android 8
Q4: Can I downgrade back to Android 7.1 Nougat? Technically, yes, via unofficial tools, but it is highly unsafe. Downgrading bricks the device due to the anti-rollback protection implemented in the Oreo bootloader.
Q5: Does the Oreo update improve gaming (PUBG Mobile, Call of Duty)? Slightly. Android 8.1 introduced Vulkan API support for the GPU. PUBG Mobile on "Smooth" graphics runs at a more stable 30fps post-update compared to Nougat. ColorOS 5
ColorOS 5.0 revamped the settings UI to be cleaner and added a "Smart Assistant" screen (swipe right from the home screen) showing steps taken, data usage, and quick toggles.
The Android 8.1 Oreo update brought ColorOS 5.0 to the F5. This was a major visual overhaul compared to the previous ColorOS 3.2.
Oreo introduced strict background execution limits. Apps no longer ran wild in the background. F5 users reported a 15-20% improvement in standby battery life after the update, thanks to Android’s new background service limitations.