Vivo X6S Plus Android 5.1 Firmware Flash File

Vivo X6S Plus Android 5.1 Firmware Flash File/Stock ROM Vivo X6S Plus

Prerequisites for Installing Rom on Vivo X6S Plus

Download install USB driver and firmware for your Vivo X6S Plus
Download and install Lenovo Downloader Tool and Qualcomm USB Drivers.
Turn off the phone. Hold Vol+ button and plug-in USB Cable. The phone will vibrate one time; the screen will be black. It’s Download Mode.
There should be the device called in device management:
Qualcomm HS-USB QDLoader 9008 (COMXX)
In any other case, you have to install drivers manually.
Run Lenovo Downloader Tool.
Click Browse in Programmer Path and choose prog_emmc_firehose_8916.mbn
Load XML in Download Section:
First select RawProgram File: rawprogram0.xml
then Select Patch File: patch0.xml
Check all inputs is correct and click Download under Load XML button and wait about 5 to 10 minutes:
After flashing process starts, it might take up to 5-10 minutes. So keep patience and wait