Do you want the latest version of Stock ROM for your Vivo X9S Plus? Here is guide, where you can download and install the official latest Vivo X9S Plus flash file.
In many cases, you will find yourself quite needy for the official Stock ROM (flash file). Like, if you are struggling around with your smartphone performance.

Or it could be another major issue regarding your smartphone software. You might also have installed the custom ROM and now want the official credibility of your smartphone.
all these cases requires one solution and that is downloading and install the official firmware flash file on your smartphone.
Here, you will find the official latest version Vivo X9S Plus flash file. Simply, go ahead to the download section of this page below. Download the flash file and follow the detailed provided installation in this post ahead.
Summary
Download Vivo X9S Plus Flash File: Official Latest (Stock ROM)

- File Name: Vivo_X9S_Plus_PD1635_Update_OTA.zip
- File Type: Vivo X9S Plus Firmware Flash File
- File Size: 1.8 GB
Simple Guide To Install Flash File on Vivo X9S Plus (Stock ROM)
This guide includes two different methods to install the flash file on Vivo X9S Plus. So, the choice is your’s which method best suits adopt it and follow it accordingly. before proceeding, you should follow the prerequisites first.
Pre-Requisites:
- Charge your phone to at least 80% or above.
- Also, don’t forget to make a complete back-up of your data.
- Moreover, download and install the latest USB drivers for your Vivo X9S Plus for connectivity purposes. Link
- You should also download and install ADB & Fastboot setup on your computer. Link
Method 1: How To Install Flash File on Vivo X9S Plus Using Vivo Recovery Mode
Step 1: You need to download the flash file for your Vivo X9S Plus from above.
Step 2: Grab the original cable and connect your smartphone to your computer. Transfer the flash file to the SD card of your phone. Flash file should be placed on SD card on the root directory (outside all the folders).
Step 3: Turn your Vivo X9S Plus “OFF” and remove the SD card from it.
Step 4: Boot your Vivo X9S Plus into fastboot mode. To do that, press and hold volume up + power buttons simultaneously until you see the “Fastboot mode” appears, and then release both buttons.
Step 5: While in fastboot mode, select the “recovery mode” option by using the power button.
Step 6: Moreover entering into recovery mode, select both the options “Clear Data” & “Clear All Data” and proceed.
Step 7: Return to the main menu by tapping on the “Return” option. In main menu, tap on “Reboot System now” option and insert the SD card to your phone.
Step 8: After the successful booting, go the “Recovery mode” again and tap on the “Install Updates” option.
Step 9: Browse for the flash file and locate it on your Vivo X9S Plus. Select the flash file and install it.
Step 10: Sit back and wait for the flashing process to complete.
That’s all, you have successfully installed a flash file on your smartphone. Enjoy the original Stock ROM of your smartphone.
Importance of Installing The Flash File
By flashing the official firmware flash file, you can get the below privileges:
- You can get all the privileges given to you by the smartphone company at the time of purchasing like claiming a warranty if available.
- Official Stock ROM boost up the performance.
- Your phone will be in the original state running on the original Android OS.
- You can unbrick your bricked phone.
- Stock ROM unroot your rooted device.
- By flashing the Stock ROM, you can upgrade or downgrade your Vivo X9S Plus.
Let us know in the comment section if you are facing any issues related to installing the Vivo X9S Plus firmware flash file.
Vivo X9S Plus Specifications

Display:
Vivo X9S Plus is equipped with 5.85 inches AMOLED touchscreen display, providing a resolution of 1080 x 1920 pixels
Software Version:
It operates on Android 7.1 (Nougat), also upgradable to Android 8.0 (Oreo) including Funtouch 3.1
Storage:
The internal memory of the phone includes 64 GB with 4 GB RAM
Hardware:
An Octa-Core processor along with Qualcomm MSM8976 Pro Snapdragon 653 Chipset
Camera:
The camera features 16MP primary lens with LED flash including other features. In addition, Dual 20MP + 5MP secondary lens is available for selfies at front
Connectivity Medium:
WLAN, Bluetooth, GPS, and USB are available
Sensors:
The sensors includes Accelerometer, Fingerprint, Proximity, and Compass
Battery:
It is powered by Li-Ion 4015 mAh battery
Colors:
Gold, Rose Gold, and Black
Price:
Price of Vivo X9S Plus is about 390 EUR