Vivo X6S A Android 5.1 Firmware Flash File

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

Prerequisites for Installing Rom in Vivo X6S A

Download install USB driver and firmware for your Vivo X6S A
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