Download Itel S42 Stock Rom / Firmware
S42-QL1667-8.0-OP-V029-20180821
File version
S42-QL1667-8.0-OP-V029-20180821
Paid File
S42-QL1667-8.0-OP-V029-20180821
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How to flash this device using Qualcomm Image Flash Loader
Note
Follow the instructions on how to flash the device carefully below
I will not take responsibility on whatever may happen to your device.
Flash at your own risk..
Make sure you are downloading the exact ROM of the device you want to flash because
flashing a wrong preloader, will make the device completely dead
(can't power on, can't charge and will not be detected by a computer)
Download an install the latest version of QPST from here
Download an install Qualcomm usb drivers from here
Under Build type, select (tick) Flat Build
Under Select Programmer, Click Browse button then navigate to firmware folder open images folder and select prog_emmc_firehorse_XXXXX.mbn file.
Click on Load XML and select rawprogram0.xml and Patch0.xml
Open back cover of the device disconnect battery and then connect the phone to PC
Now bridge the test points as shown on image below with a pair of twizzers or metal to put iTEL S42 into EDL mode.
Port will now appear on QFIL tool.
Click Download button and wait for flash process to complete.
When process is complete, disconnect and boot up device.
Note that first boot after flash process takes longer than usual. 
Click Download button and wait for flash process to complete.
When process is complete, disconnect and boot up device.
Note that first boot after flash process takes longer than usual.