We always provide the updated firmware version when the new version is out. Download Oppo A5S CPH1912 Stock ROM (Firmware Flash File) The firmware comes with a zip file and it contains Stock ROM, USB Driver, Flashing Tool & How-to Flash Manual guide.
Make sure, before downloading the firmware always check the firmware version & device model by click on the emergency call and dial *#899#, and then download the latest or same version of Oppo A5S CPH1912 Flash File to flash your phone. You can use this flash file to remove all types of screen locks like pattern, password, & FRP lock from your phone. Here I share with you the official link to Download Oppo A5S CPH1912 firmware from here. Oppo A5S CPH1912 Flash File mainly use to fix the problems like stuck at boot logo, hang on the logo, remove screen lock, and many more other Android problems.