Vivo Y55S Firmware Flash File

Vivo Y55S Firmware Flash File/Stock ROM Vivo Y55S

Prerequisites for Installing ROM on Vivo Y55S

Download USB driver and flash file for your Vivo Y55S
Download and install QPST 2.7.422 with QFIL 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 QFIL.
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
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