1.4GHz Quad-Core Qualcomm Snapdragon 425. Graphics Processor: Adreno 308 GPU.
Ensure your Vivo Y71 has at least 50% battery remaining. USB Cable & Computer: A stable USB connection is required.
The technical subject refers to the official system firmware for the Vivo Y71 , a popular budget smartphone released in early 2018. In the world of mobile repair, this specific file is the "digital lifeline" used by technicians to revive a phone that is stuck on a boot logo, experiencing a "dead boot," or suffering from software corruption.
The is the official stock ROM firmware used to repair, update, or unbrick Qualcomm-powered Vivo Y71, Y71i, and Y71S smartphones (model code PD1731F ). This critical software package contains the native Android operating system combined with Vivo’s custom Funtouch OS skin. Applying this exact firmware version allows technicians and smartphone users to reset a corrupted operating system back to factory-fresh settings. Pd1731-a-1.8.7 Flash File
Some users utilize specific flash files to convert regional versions (like the China-specific Y71A) to a Global Funtouch OS version to access Google Play Services and more languages.
QCN / Pac / OFP / Bin (please specify if known)
Recovery for phones that won't turn on or enter recovery mode. USB Cable & Computer: A stable USB connection is required
Unzip the PD1731-A-1.8.7 zip file to a folder on your PC.
Once the tool detects "Qualcomm HS-USB QDLoader 9008," click Download .
Removes forgotten lock screen patterns, PINs, and passwords by wiping the user data partition. The is the official stock ROM firmware used
Download the latest version of SP Flash Tool (Smart Phone Flash Tool) optimized for MediaTek chipsets.
Some stubborn malware survives factory resets. Flashing the complete firmware removes all altered partitions, effectively disinfecting the phone.
Qualcomm-based firmware structure including standard partitions like programmer (MBN) , rawprogram0.xml , and patch0.xml needed for low-level EDL (Emergency Download) flashing. Critical Issues Fixed by Flashing This File
Launch the Qualcomm Flash Image Loader (QFIL) tool via your PC.
Download and install the compatible USB drivers (typically MediaTek/MTK or Qualcomm drivers, depending on the underlying chipset of the PD1731 platform).