Vivo U20 PD1941F Firmware Flash File | Fix dm-verity Verification Failed Error
If your Vivo U20 PD1941F is showing the dreaded dm-verity verification failed error after boot or flashing, you’re not alone. This guide will walk you through flashing the official stock ROM using the correct QFIL method and solving this specific software integrity error permanently.
The flash package provided includes all essential components like boot.img, vbmeta.img, and the Qualcomm loader files that help unbrick the device and restore official system integrity.
Why dm-verity Verification Fails on Vivo U20?
- Incompatible or modified firmware flashed
- vbmeta.img mismatch or missing signature
- System integrity check failure due to rooting or manual partition edits
Flashing the official stock firmware using the proper method usually resolves this problem and restores normal boot function.
Precautions Before Flashing
Attention! Please ensure your Vivo U20 PD1941F is charged above 50%. Flash only the firmware that matches your phone’s exact model and build version to avoid further errors or bootloop.
Firmware Overview
| Model: | Vivo U20 PD1941F |
| Processor: | Qualcomm Snapdragon |
| Firmware Type: | QFIL Flashable Package (.mbn, .xml) |
| Tool Required: | QPST/QFIL Tool |
| Issue Fixed: | dm-verity verification failed |
How to Flash Vivo U20 PD1941F Using QFIL
Flashing Instructions:
- Install Qualcomm USB Drivers on your PC.
- Extract both the firmware and QFIL tool using WinRAR or 7-Zip.
- Open the QFIL tool and choose the “Flat Build” option.
- Click “Browse” and select the
prog_emmc_firehose.mbnfile.- Now click “Load XML” and select
rawprogram.xml, followed bypatch.xml.- Power off the phone completely.
- Connect the phone to the PC in EDL mode using the test point method.
- Once the Qualcomm port is detected, hit “Download” in QFIL to begin flashing.
Warning Before You Proceed
⚠️ Backup Required: Flashing will erase all personal data on your device. Please back up your important files, contacts, and media before flashing. Also, never flash firmware for a different build version — this may lead to permanent damage.
Download Section
| Download Vivo U20 PD1941F Firmware |
| QPST/QFIL Tool (Latest) |
| Qualcomm USB Drivers |
Still Facing Issues?
If the dm-verity error still appears after flashing, try erasing user data via recovery or reflash using a newer firmware build. You can also reach out via the comment section for tailored help specific to your Vivo U20 PD1941F model.