Lenovo Z90-7 Vibe Shot Android 5.1 Firmware Flash File

Prerequisites for Installing Rom on Lenovo Z90-7 Vibe Shot

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