On Oppo F3 - Firmware Change Update

Charge fully, backup your data, and connect to Wi-Fi. After updating: Clear cache, re-register fingerprints, and enjoy a more stable OPPO F3.

This is the most common concern for older devices. The OPPO F3 has a MediaTek MT6750T octa-core processor and 4GB of RAM—hardly a powerhouse by 2023 standards. Firmware Change Update on OPPO F3