If your Vivo Y71S PD1731F smartphone is facing software-related issues like boot loop, stuck on Fastboot mode, or black screen after flashing, then this official stock firmware will help you restore it to factory condition. In this guide, you will find tested Vivo Y71S PD1731F flash file, QFIL flashing instructions, and required tools.
📱 Vivo Y71S PD1731F Flash File – What Problems It Solves
- Stuck on logo or Fastboot screen
- dm-verity verification failed error
- Touch not working after firmware flash
- Dead boot issue (no power)
- Operating system corruption
⚠️ Important Before You Flash:
• Confirm your Vivo Y71S model is exactly PD1731F
• Charge the device above 60% battery
• Flashing will erase all data – backup is strongly advised
• Do not use firmware from a different variant to avoid hard brick
📦 Vivo Y71S PD1731F Stock ROM Firmware Details
| Model | Vivo Y71S (PD1731F) |
| Processor | Qualcomm Snapdragon |
| Build Version | EX_A_1.19.2 |
| Flash Tool | QPST (QFIL) |
| File Format | .mbn, rawprogram.xml, patch.xml (ZIP/RAR) |
📥 Download Section – Firmware + Tools
| 📁 Download Firmware – PD1731F_EX_A_1.19.2 |
| 🛠 Download QPST/QFIL Flash Tool |
| 🔌 Download Qualcomm USB Drivers |
🧑🔧 How to Install Firmware on Vivo Y71S PD1731F using QFIL
- Install Qualcomm USB Drivers on your PC.
- Extract the firmware package using WinRAR or 7-Zip.
- Launch QFIL Tool from QPST software suite.
- Choose Flat Build in QFIL interface.
- Click Browse to select
prog_emmc_firehose_xxx.mbnfile. - Click Load XML and select
rawprogram.xml, thenpatch.xml. - Turn off phone and boot into EDL mode (via test point method).
- Connect to PC with USB cable – Qualcomm HS-USB port will appear in Device Manager.
- Click the Download button in QFIL – flashing process will begin.
- Wait until the process is complete. Your phone will auto-reboot.
❓ Frequently Asked Questions
- Is this firmware for PD1731F only? Yes. Do not use on other models like PD1813F or Y71i.
- Will this erase all data? Yes, flashing will wipe everything.
- What if flashing fails or gets stuck? Make sure drivers are installed, and USB port is working properly. Retry using another cable or port.
💬 If you need further help, drop a comment below or search your model on Firmware4Mobile.com for more recovery solutions, root methods, and test point diagrams.
Disclaimer: Flashing custom or stock ROM may void warranty or brick the phone if done incorrectly. We are not responsible for any damage or loss. Proceed with care and ensure model compatibility.