This is the safest method, provided Oppo’s servers still support the F3.
If you absolutely need Android 8.0 (Oreo) features (Picture-in-Picture, Notification Channels, Auto-fill), you must unlock the bootloader and install a . Oppo F3 Update 8.0 Download
If you are looking to update your device, here is a guide on the official and unofficial options available. Official Software Status The latest official software for the This is the safest method, provided Oppo’s servers
(like LineageOS or Pixel Experience). This is an unofficial process that carries risks, including "bricking" your device. Unlock Bootloader : This is the first step to allowing custom software. Install custom recovery : Tools like are used to "flash" new software files. : Download an Android 8.0-based ROM specific to the (Oppo F3 model) and install it via the custom recovery. Backup Data Official Software Status The latest official software for