Update Oppo A5 2020 | 2025-2026 |

Open Phone dialer . Step 2: Dial *#*#2020#*#* – this enables Developer options if needed. Step 3: Then dial *#*#800#*#* → opens Engineering Mode . Step 4: Navigate to Software Update → Local Update (menus vary by firmware).

Never. It will brick your device.

You can’t officially. Consider custom ROMs (LineageOS, etc.) – but this voids warranty and requires bootloader unlock. update oppo a5 2020