In some instances, a Nougat-based ColorOS 3.1 ROM was made available for manual download via the Official Oppo Website . Users had to manually flash this firmware, which was approximately 1.9 GB in size.
Given the update's age and the fact it was often not delivered via OTA, here is the manual installation method documented on XDA and other tech resources. oppo f3 plus nougat update forum xda
If the phone feels sluggish or drains battery, a factory reset after the update is highly recommended. In some instances, a Nougat-based ColorOS 3
Has anyone found a way to enable Google Assistant’s “OK Google” with screen off? It worked on Marshmallow but broken on Nougat for me. In some instances