Recovers software-bricked or "dead" phones.
Click the blue button located at the bottom of the QFIL interface.
The flash file version PD1731-a-1.8.7 specifically corresponds to the Vivo Y71 (1724)
(and its variants like the Y71A). This specific version is used to repair software-related issues, such as boot loops, system hangs, or to revert a device to its factory state. Key Firmware Details Device Model: Vivo Y71 / Y71A Build Version: PD1731_A_1.8.7 (or variations like PD1731F_EX_A) File Type: Official Stock ROM (Flash File) Typically around 2.5 GB Common Uses for this Flash File Unbricking: Fixing a device that will not boot past the logo. Removing Screen Locks:
: Flashing will completely erase your device. Back up all photos, contacts, and personal documents. Pd1731-a-1.8.7 Flash File
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: A soft-bricked phone that fails to turn on normally can often be recovered if it can still interface with a computer using its Low-Level Download mode.
SP Flash Tool (Smart Phone Flash Tool) or authorized Vivo Service Tool Driver Needed: MediaTek (MTK) USB VCOM Drivers 🛠️ Core Issues Fixed by This Flash File
: Ensure all data is backed up, as flashing often erases the device storage. Recovers software-bricked or "dead" phones
: Removes forgotten pattern locks, PINs, and FRP (Factory Reset Protection).
Launch the application executable on your desktop.
Resolving persistent lag or application crashes. Installation Overview
Click the green button at the top of the SP Flash Tool interface. Power off your Vivo device completely. This specific version is used to repair software-related
: Ensure your phone has at least 50% to 60% battery life to prevent power loss mid-process.
Overview
This process erases internal storage completely. Back up contacts, photos, and documents to a cloud service or external drive.
While the exact tool depends on the device chipset (usually SP Flash Tool for MediaTek devices or QFIL for Qualcomm), the general steps are:
Flashing the wrong file can your device. You need to be 100% sure of:
Understanding the hardware this file interacts with is vital for a successful flash: Typically powered by the Snapdragon 425. Release Date: The device originally launched in April 2018 . Software: Runs on Vivo's Funtouch OS . How to Use the PD1731 Flash File