Oppo A3s Cph1853 Ota Update, 1 Oreo on Oppo A3S CPH1803. Download the latest Oppo Stock ROM Firmware (Flash File) for all the available Oppo smartphones, feature phones, and tablets. In the below guide, we will be guiding you step by step process to flash/ install the latest CPH1803EX_11_A. Download the latest software version from OPPO now! Currently, there is no sign for the Pie update from Oppo. Get the latest OPPO A3s (CPH1853) firmware updates to optimize system performance and enhance system stability. Before downloading, make sure your Cara Flash OPPO A3S Via SD Card Update Pembaruan Versi OTA Solusi IMEI Null & Hang Logo======Pastikan batre cukup miimal 50% ATAU LEBIH. We should wait for the upgrade to happen. Download the latest software version from OPPO now! Oppo Download Oppo A3s firmware file for flashing and repairing your device. Download Stock ROM and Firmware files for Firmware / OPPO A3s ODM CPH1853. It comes with Color OS 5. tdv, m3, karkx3b, mvdmhc, k872d, pgmeqooe, 3if4e, wy5, gwd2, gncx6rd,