If you’re here, you’re likely looking to flash the official stock ROM on your Vivo X5 Pro PD1421F. You’re in the right place. This guide will walk you through downloading and installing the official stock firmware on your Vivo X5 Pro. Since this device is powered by a Qualcomm processor, you’ll need the QFIL Tool (Qualcomm Flash Image Loader), Vivo USB drivers, and the official stock ROM file.
Android offers a wide range of customization options, such as flashing custom ROMs, kernels, or APK modding. However, these processes can result in a bricked device if not done carefully. To help you avoid these issues, this guide provides step-by-step instructions to restore your Vivo X5 Pro to its original stock ROM.
This guide is also useful if you’re experiencing issues like boot loops, lag, screen freezes, or problems with WiFi and Bluetooth, or if you need to unroot or unbrick your device. Follow the instructions carefully to flash the stock ROM without any trouble.

Below is the guide to install the official Android 5.0 Lollipop firmware update for the Vivo X5 Pro. To install the stock firmware on the Vivo X5 Pro, you will need to download the ROM flash file and SP Flash Tool on your computer.
The Advantage Of Stock Firmware:
- To Unbrick your phone
- Fix the Bootloop problem
- Upgrade and Downgrade your phone
- Unroot or Fix Bugs on your phone
- To fix the lag or stutter.
- By flashing Stock ROM, you can solve software problems.
- Revert back to stock to gain your warranty.
Firmware Details:
- Device Name: Vivo X5 Pro PD1421F
- ROM Type: Stock ROM
- Gapps File: Included
- Tool Supported: SP Flash Tool
- Processor: Qualcomm MSM8939 Snapdragon 615
- Android Version: Android 5.0 Lollipop
Steps to Install Stock firmware on Vivo X5 Pro :
Before installing, make sure to follow the prerequisite and install the necessary drivers and tools on your PC.
Prerequisites
- Supported device: Vivo X5 Pro
- Charge your phone: You need at least a 50% charge on Vivo X5 Pro
- Laptop or PC: You need a PC or Laptop to carry out this installation.
- Take Device Backup: The very first thing to pay attention to is taking the device backup. You might not be able to take the backup of phone data; however, if you have inserted a memory card in your device, remove it at least to save it.
- Download AF Tool, QFil Flash Tool, or QPST Flash tool and install it on your PC.
- Install the Latest Vivo USB Drivers | Qualcomm drivers
WARNING!!!! In the Stock ROM Vivo_X5_Pro_PD1421F_EX_B_3.8.2.zip, doesn’t exist any file named: MT6752_Android_scatter.txt so… You are not able to make the flash process..! I will try the 2th Stock ROM to see if it works..!