Always back up your persist and modemst partitions before flashing. Your future self will thank you. Disclaimer: Modifying your device’s firmware voids the warranty (if any remains). The author is not responsible for IMEI loss or permanent damage. Proceed at your own risk.
Introduction: The Lifeline for a Dead Oppo Oppo R9s Plus Firmware Qfil
The Oppo R9s Plus was a flagship phablet of its era, boasting a massive battery, a stunning 6-inch display, and the iconic “Ultra-Heart” design. However, years of use, rogue software updates, or failed root attempts can turn this powerhouse into an expensive paperweight. When your device is stuck on a bootloop, frozen on the Oppo logo, or refuses to enter recovery mode, traditional fixes fail. Always back up your persist and modemst partitions
This is where becomes the most critical search term for a technician or power user. QFIL (Qualcomm Flash Image Loader) is the official tool for Qualcomm-based devices (which the R9s Plus uses) to flash raw firmware files directly to the phone’s internal memory. The author is not responsible for IMEI loss
| Website | Safety Rating | Notes | | :--- | :--- | :--- | | | ✅ Safe | They only provide OTA .ozip files, NOT QFIL raw files. Not useful here. | | XDA Developers Forum | ⚠️ High Risk | No dedicated R9s Plus QFIL thread. Links go to Google Drive; scan every file. | | AndroidMTK | ⚠️ Medium | Has the file “CPH1611EX_11_A.15_170907.tar.gz”. Verify the checksum before flashing. | | Firmware File (Firmwarefile.com) | ❌ Dangerous | Pop-up ads and fake download buttons. | | Needrom | ⚠️ Medium | Requires registration. User-uploaded files; check comments for "brick" reports. |
Search for "CPH1611 QFIL firehose" on 4pda.to (Russian forum). Use a translator. They maintain the most reliable archive of Qualcomm programmers. Conclusion: Is QFIL Worth the Trouble? The Oppo R9s Plus Firmware Qfil process is undeniably technical. It requires driver hacking, test point shorting, and a willingness to accept the risk of a total brick. However, for a device that is no longer receiving official support from Oppo, QFIL remains the only method to revive a hard-bricked unit.
If you have followed this guide and your phone still does not turn on, the issue is likely hardware-related (dead battery or corrupt eMMC chip). But in 80% of software brick cases, QFIL will bring your Oppo R9s Plus back to life, running as smoothly as the day you unboxed it.