Copy your photos, contacts, and messages to a computer or cloud storage. Updates can occasionally trigger data loss.
If you are looking for the final stable firmware available for your region, follow these official methods: On-Device Update and use the search bar to find Software Update Software Update
For users, the dilemma was acute: install Update 80 and risk potential bugs, or remain on an older, insecure version. Many chose the latter, not out of preference, but due to the technical hurdles of downloading and applying the patch.
While "Update 80" isn't a universal global term used by OPPO themselves, it's a common way tech communities and bloggers refer to that specific stable firmware build.
Cached data conflicting with the new system architecture.
Locate the downloaded firmware update ZIP file from either the phone storage or your SD card.