This guide is for educational purposes. Modifying device firmware carries risk. The author is not responsible for permanent hardware damage. Always back up your QCN (NV Data) before flashing. Keywords used: oppo cph1809 flash file qfil updated, oppo a3s qfil, cph1809 9008 firmware, qualcomm flash image loader, cph1809 edl rom, rawprogram0.xml, firehose loader.
January 2026
| File Name | Version | Size | Download Source | | :--- | :--- | :--- | :--- | | CPH1809_QFIL_Updated_A.26.zip | A.26 (Android 8.1) | ~2.1 GB | Link available via authorized OPPO service centers or trusted firmware archives (e.g., AndroidHost, FirmwareFile). | | CPH1809_QFIL_ColorOS_6.0.zip | C.04 (ColorOS 6) | ~2.3 GB | Available for advanced users. | oppo cph1809 flash file qfil updated