Here I share with you the official link to Download Oppo A5S CPH1912 firmware from here. You need to make backup your Oppo A5S CPH1909 phone before performing Flashing a new ROM that all your app and personal data you want not to lose. Backing up your app is not advisable b/c it may cause problem with your phone Later you install it on your phone. Also all your app is available on Play store you can easily install on your Oppo A5S CPH1909 android phone. Some app infect and will cause again problem Más información [...]