Oppo R15 Pro (CPH1831)By Galaxymobiltech / February 1, 2025 Rate this post CPH1831EX_11_A.02_180513 Download Now Firmware Details Device Model: Oppo R15 Pro (CPH1831) Firmware Version: CPH1831EX_11_A.02_180513 Android Version: Android 8.1 Oreo ColorOS Version: ColorOS 5.2 Security Patch: May 2018 Release Date: May 13, 2018 Facebook 0 WhatsApp Pinterest0 Twitter 0 0Shares