How to Install Stock ROM on vivo Z1 [PD1730C_EX_A_6.9.7 Flash File]

Chinese smartphone maker has unveiled a new smartphone on the market, dubbed the Vivo Z1. If you have bought this and looking to Install Stock ROM on vivo Z1? then you are at the right place. Now install the official Stock firmware on vivo Z1. Vivo launched the latest smartphone called vivo Z1. It came out of the box with Android 8.1 Oreo. vivo Z1 which under the hood runs on Qualcomm processor. Here we will guide you to install the official Stock ROM on vivo Z1 using the software known as QFIL Tool, Formally also called Qualcomm Flash Image Loader. If you have installed Custom ROM or bricked your device, then this guide will be helpful to fix back to Stock ROM or unbrick it.

Android always opens the door to various possibilities such as flashing custom ROM or kernel or APK modding etc. These feats can be achieved by providing root access to your device or simply rooting your phone.  In today’s date, rooting or customizing is no rocket science, but people perform these process carelessly. Certain users hastily carry out the modding/rooting process without properly following instructions. It leads to bricking of the device. It can happen with any device. In this post, we will tell you how you can restore or unbrick vivo Z1 back to the previous working condition.

The guide is simple and easy! All you have to do is simply download the below-given firmware files and tools on your PC and then follow the given instruction to install the Stock ROM on vivo Z1 using QFIL Tool. Yes, this guide is also helpful to recover, unroot or fix any software malfunctioning problem. Remember this guide is also very much needed in case of upgrade or downgrade the firmware on vivo Z1. First of all, download the software, Qualcomm Flash Image Loader on your PC and then flash your phone back to Stock ROM. We request you to read the steps carefully before upgrading vivo Z1 using this guide.

How to Install Stock ROM on vivo Z1 [Firmware/Unbrick]

Vivo Z1 Specifications:

If we speak about the specifications, Vivo Z1 sports a 6.26-inch full HD+ IPS LCD display with a resolution of 1080 pixels by 2280 pixels with an aspect ratio of 19:9. It is powered by octa-core Qualcomm Snapdragon 660 paired by 4GB of RAM and Adreno 512 GPU which makes this device great for multi-tasking. It also packs a 64GB internal storage capacity which can be extended to 256GB with the use of a microSD card. The Camera on the Vivo Z1 packs a Dual: 13 MP (PDAF) + 2 MP primary camera on the rear, a led flash and a 25MP front shooter for selfies. The  Vivo Z1 runs on the Android 8.1 Oreo operating system with FunTouch OS 4 on top and is powered by a 3260 mAh non-removable battery.

The Advantage Of Stock ROM:

  • Flash Stock To Unbrick your vivo Z1
  • Flash Stock ROM to Fix the boot loop problem
  • Upgrade and Downgrade vivo Z1
  • Unroot or Fix Bugs on your phone
  • To fix the lag or stutter on vivo Z1
  • By flashing Stock ROM, you can solve software problems.
  • Revert back to stock to gain your warranty.
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So before jumping into the manual upgradation setup, please make sure you have a good amount juice with at least 80% Charge. If not please charge the phone. Backup your phone in case if you need it later. If you brick the device we are not responsible. Do it at your own risk. Remember this guide is to update the Stock ROM on vivo Z1.

Firmware Details:

  • Gapps File: Included
  • Device Supported: vivo Z1
  • Android OS: 8.1 Oreo
  • Tool Supported: QFIL
  • Language Supported: Multi-Language
  • Build:

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PD1730C_A_1.6.9 Changelog: 


optimizes the detailed display of some interfaces to give you a better visual experience.



optimizes network adaptability in some areas, and the network connection is more stable.


Download Firmware

Download File Description
Download PD1730C_EX_A_6.9.7

Steps to Install Stock Firmware on vivo Z1:

Before installing, make sure to follow the pre-requisite and install the necessary drivers and tools on your PC.



  • Charge your phone: Before you proceed with the below information, you are recommended to ensure that your vivo Z1 is at least 50% charged.
  • Laptop or PC: To carry out this installation, you need a PC or Laptop.
  • 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.
  • Qualcomm Flash image loader: Download QFIL Tool
  • Install Latest Driver: Install the Latest Vivo USB Drivers. [For All Android USB Drivers]
  • Download: Download the above-required files on your PC.

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Disclaimer: We at cannot be held responsible if anything goes wrong. Take your own risk!


Instructions to Install on vivo Z1 via Recovery:

  • Download the ROM update file and move it your phone’s internal storage
  • Now boot your phone into recovery and follow our guide
  • Now tap on Update and load the downloaded file
  • Now your phone will start upgrading to the new update.
  • Enjoy!

Instructions to Install via QFIL Tool:

Download Qualcomm Flash image loader tool and USB Drivers on your PC. Follow the below link to install the firmware using QFIL tool

Guide to Install Stock ROM using QFIL Tool

I hope you installed the Stock ROM on vivo Z1 successfully, Now please rate this website with your comment. We always welcome feedback and improvements.

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