In some countries, OPPO service centers still flash legacy firmware for free. Call ahead and ask if they can upgrade your F3 to Android 7. Bring a valid ID and proof of purchase.
You need the official ROM file (usually an .ozip file for Oppo devices). Since Oppo officially hosts older firmware, you can often find the specific version for your region. oppo f3 android 7 update download
May 2026 Device: OPPO F3 (CPH1509 / CPH1609) Target OS: Android 7.0 Nougat (ColorOS 3.0) In some countries, OPPO service centers still flash
A redesigned notification shade with more accessible tiles and a pencil icon for customization. In some countries
Allows you to run two accounts of the same app (e.g., WhatsApp). Where to Download the Update