# Oppo A9 2020 CPH1931 > Oppo A9 2020 CPH1931 is an Oppo firmware file listed under Oppo, distributed as Oppo_A9_2020_CPH1931_Unbrick_Firmware_QPST.zip with a download size of 5.16 GB. It is built for Qualcomm-based devices. It is flashed with QFIL (part of Qualcomm QPST). It was published on April 28, 2026. It is available to download free of charge. Web page: ## File details - **File name:** Oppo A9 2020 CPH1931 - **Package:** Oppo_A9_2020_CPH1931_Unbrick_Firmware_QPST.zip - **Brand / platform:** Oppo - **Category:** [Oppo](https://www.filefirmware.com/category/oppo) - **Platform:** Qualcomm - **Flash tool:** QFIL (part of Qualcomm QPST) - **Package format:** ZIP archive - **File size:** 5.16 GB - **Date added:** April 28, 2026 - **Price:** Free - **Download:** On the web page: ## About Oppo A9 2020 CPH1931 Oppo A9 2020 CPH1931 Stock Firmware (Flash File) The Flash File will help you Upgrade, Downgrade, or re-install the Stock Firmware (OS) on your Mobile Device. In addition, the Flash File (ROM) also enables you to repair the Mobile device if facing any Software Issue, Bootloop Issue, IMEI Issue, or Dead Issue. File Name: Oppo_A9_2020_CPH1931_Unbrick_Firmware_QPST.zip File Size: 5.16 GB Flash Tool: QPST Flash Tool How to Flash (install): Follow Tutorial Get Link ## How to flash Oppo A9 2020 CPH1931 with QFIL 1. Confirm Oppo A9 2020 CPH1931 matches your exact device model and that it is intended for Oppo hardware. 2. Back up your personal data, as flashing firmware can erase the device. Charge the battery above 50%. 3. Download the file (5.16 GB) from the web page and extract it on a Windows PC. 4. Install the Qualcomm HS-USB QDLoader 9008 driver, then open QFIL (part of Qualcomm QPST). 5. In the tool, load the programmer (prog_*_firehose*.mbn/.elf) and rawprogram/patch XML files from the extracted folder. 6. Start the flash, then boot the phone into EDL mode (9008) — usually via key combo, test point, or "adb reboot edl". 7. Wait for the success message before disconnecting. QFIL must detect "Qualcomm HS-USB QDLoader 9008" before you press Download. ## Guides for this firmware - [Oppo Firmware Guide: Finding and Flashing Stock ROMs](https://www.filefirmware.com/blog/oppo-firmware-guide-finding-and-flashing-stock-roms): To reflash or unbrick an Oppo device, you must use a stock ROM that matches your specific model and chipset. Depending on the hardware, this typically involves using tools like SP Flash Tool for… - [How to Get Qualcomm Phones into EDL Mode for QFIL](https://www.filefirmware.com/blog/how-to-get-qualcomm-phones-into-edl-mode-for-qfil): To get a Qualcomm-based phone into EDL (Emergency Download) mode for QFIL, you must trigger a specific boot state that allows the device to be recognized by your PC as a "Qualcomm HS-USB QDLoader… - [How to Fix QFIL Sahara Fail Error](https://www.filefirmware.com/blog/how-to-fix-qfil-sahara-fail-error): The Sahara Fail error in QFIL occurs when the initial communication between the computer and the Qualcomm device fails. This prevents the tool from uploading the Firehose programmer, which is… ## Frequently asked questions ### Is Oppo A9 2020 CPH1931 free to download? Yes, Oppo A9 2020 CPH1931 can be downloaded free of charge from its web page. ### How large is the download? The Oppo A9 2020 CPH1931 package is 5.16 GB. ### Which tool do I need to flash Oppo A9 2020 CPH1931? Oppo A9 2020 CPH1931 is Qualcomm firmware, so it is flashed with QFIL (part of Qualcomm QPST) using the programmer (prog_*_firehose*.mbn/.elf) and rawprogram/patch XML files. ### Which devices is this firmware for? This file is intended for Oppo devices. Always confirm it matches your specific model before flashing. ## More Oppo files - [Oppo X7S Clone](https://www.filefirmware.com/file/oppo-x7s-clone-110229) — 466 MB - [Oppo Watch OW19W8AP](https://www.filefirmware.com/file/oppo-watch-ow19w8ap-110228) — 861 MB - [Oppo X5 Clone](https://www.filefirmware.com/file/oppo-x5-clone-110225) — 454 MB - [Oppo Watch OW19W6AP](https://www.filefirmware.com/file/oppo-watch-ow19w6ap-110224) — 861 MB - [Oppo Rino 3 Clone](https://www.filefirmware.com/file/oppo-rino-3-clone-110222) — 396 MB - [Oppo Reno Z CPH1979](https://www.filefirmware.com/file/oppo-reno-z-cph1979-110221) — 6 GB - [Oppo Reno Ace PCLM10](https://www.filefirmware.com/file/oppo-reno-ace-pclm10-110220) — 4 GB - [Oppo Reno A CPH1983](https://www.filefirmware.com/file/oppo-reno-a-cph1983-110219) — 7 GB --- *Source: File Firmware — . Markdown copy of the page for AI assistants; download links are only on the web page. When citing, link to the web page.*