Lenovo Vibe X3 Stock ROM/Firmware
Requisites:
1. QPST_2.7.422
2. Qualcomm_USB_Drivers
3. Qualcomm_USBDriver_2.1.0.5_x64 or Qualcomm_USBDriver_2.1.0.5_x86
How To Install Qualcomm USB Drivers & QPST
Extract and setup QPST from QPST_2.7.422_Techolite.com.7z
Install Qualcomm Drivers from Qualcomm_USB_Drivers_Techolite.com
How To Install Stock Rom On Lenovo Vibe X3 X3c50
Firmware Version : X3c50 _USR_ST1546_5.233.1
Variant: X3c50
Build date: 10/11/2015
Rom Version: Android 5.1.1
Rom Type: QPST
Language & keyboard: English and Chinese
Size: 1.52 GB
Download: Lenovo Vibe X3 Stock Rom
Firmware Version : X3c70 _USR_ST1546_5.334.1
Variant: X3c70
Build date: 10/11/2015
Rom Version: Android 5.1.1
Rom Type: QPST
Language & keyboard: English and Chinese
Size: 1.52 GB
Download: Lenovo Vibe X3 Stock Rom
Steps To Install Lenovo Vibe X3 Stock Rom
Turn off your Lenovo Vibe X3 and then press the Volume Up button and keep holding it while connecting it to the computer/laptop using USB cable. On your computer/laptop you might see under Device Manager > Qualcomm Lenovo HS-USB QDLoader 9008
Now Extract the Stock Rom zip file and then on your computer go to Start > QFIL
Now in the Select Programmer, select prog_emmc_firehose_89XX.mbn and under Load XML select rawprogram0.xml
Now click the Download button and wait for the process to be completed. Once completed your device will reboot automatically.
PS: First boot takes around 3-5 minutes. So have patience and enjoy!
Requisites:
1. QPST_2.7.422
2. Qualcomm_USB_Drivers
3. Qualcomm_USBDriver_2.1.0.5_x64 or Qualcomm_USBDriver_2.1.0.5_x86
How To Install Qualcomm USB Drivers & QPST
Extract and setup QPST from QPST_2.7.422_Techolite.com.7z
Install Qualcomm Drivers from Qualcomm_USB_Drivers_Techolite.com

How To Install Stock Rom On Lenovo Vibe X3 X3c50
Firmware Version : X3c50 _USR_ST1546_5.233.1
Variant: X3c50
Build date: 10/11/2015
Rom Version: Android 5.1.1
Rom Type: QPST
Language & keyboard: English and Chinese
Size: 1.52 GB
Download: Lenovo Vibe X3 Stock Rom
Firmware Version : X3c70 _USR_ST1546_5.334.1
Variant: X3c70
Build date: 10/11/2015
Rom Version: Android 5.1.1
Rom Type: QPST
Language & keyboard: English and Chinese
Size: 1.52 GB
Download: Lenovo Vibe X3 Stock Rom
Steps To Install Lenovo Vibe X3 Stock Rom
Turn off your Lenovo Vibe X3 and then press the Volume Up button and keep holding it while connecting it to the computer/laptop using USB cable. On your computer/laptop you might see under Device Manager > Qualcomm Lenovo HS-USB QDLoader 9008
Now Extract the Stock Rom zip file and then on your computer go to Start > QFIL
Now in the Select Programmer, select prog_emmc_firehose_89XX.mbn and under Load XML select rawprogram0.xml
Now click the Download button and wait for the process to be completed. Once completed your device will reboot automatically.
PS: First boot takes around 3-5 minutes. So have patience and enjoy!