If the touch screen of your Vivo V9 Youth has stopped responding after flashing a ROM, you’re not alone. This guide helps you install the correct Qualcomm-based stock firmware using QFIL and fixes the common issue of unresponsive touch panel after flash.
🚫 Problem Focus: Vivo V9 Youth Touch Not Working After Flash
Many users face a touch issue after flashing the wrong firmware build or skipping rawprogram.xml and patch.xml files. Flashing the complete and correct build resolves this problem instantly.
More Issues Fixed:
- Stuck on Fastboot Mode
- dm-verity verification failed
- Black screen after flash
- Vivo logo hang or dead boot
- Operating system errors or app crashing
📋 Firmware Details
| Model: | Vivo V9 Youth (PD1730BF) |
| Processor: | Qualcomm Snapdragon |
| Build Version: | PD1730BF_EX_A_6.70.8 |
| Format: | QFIL (MBN + XML) |
📌 Must-Read Before You Flash
Important: Ensure you are using the correct firmware version specific to your device's region and model code. A mismatch often causes the touchscreen, display, or camera to stop working. Battery should be above 50%.
⚙️ Flashing Instructions: Vivo V9 Youth (Touch Fix Guide)
- Install Qualcomm USB Drivers on your PC.
- Download and extract the QPST/QFIL Tool and Vivo firmware using WinRAR or 7Zip.
- Launch QFIL and select Flat Build.
- Browse and load the
prog_emmc_firehose_xx.mbnfrom the firmware folder. - Click on Load XML and load both
rawprogram0.xmlandpatch0.xml. - Power off the device, then boot into EDL Mode (use test point method if needed).
- Once the device is detected as “Qualcomm HS-USB QDLoader 9008,” click Download.
- After flashing, reboot the device and your touch issue will be resolved.
⬇️ Links Vivo V9 Youth Firmware
| Firmware – PD1730BF_EX_A_6.70.8 |
| QPST Flash Tool (QFIL) |
| Qualcomm USB Drivers |
❓ Touch Still Not Working?
- Ensure you selected both rawprogram0.xml and patch0.xml in QFIL.
- If touch is partially working, reflash and wipe userdata from recovery after flash.
- Still stuck? Try alternative region firmware or contact support on Firmware4Mobile.com.
📌 Keep following Firmware4Mobile.com for the latest tested firmware and mobile repair methods. Feel free to drop your questions in the comment section if you need help during flashing.