OPPO R15x (Model Number: PBCM30 / PBCM00) Primary OS: ColorOS (Based on Android 8.1 Oreo / Android 9.0 Pie) Security Patch Level: Varies by build version
Standard "Factory Data Reset" via settings is the safest way to clear personal data, but a full flash is sometimes needed if the OS itself is inaccessible. Where to Find Firmware How to Download Firmware for OPPO R15x?, How To
Updating the firmware OPPO R15x is a straightforward process that can be done using the following methods: