[Flash File] Lenovo S90-U Sisley Firmware Download [Stock Rom]

Lenovo S90-U Sisley

[Flash File] Lenovo S90-U Sisley Firmware Download [Stock Rom]

Lenovo S90-U Sisley Firmware Download.

You are about to download the official Lenovo S90-U Sisley stock rom.

You can download all Lenovo S90-U Sisley Flash File from Blogthetech.

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Lenovo S90-U Sisley Firmware Information

Rom NameLenovo S90-U Sisley Stock Firmware Rom
Based OnLenovo Official Stock OS
Rom OS VersionAndroid 4.4 KitKat
Rom TypeOdexed
SocsQualcomm
Software neededQualcomm Flash Image Loader
CompressZip format
DriversQualcomm USB Drivers

Flash Lenovo S90-U Sisley Firmware


Lenovo S90-U Sisley is a Qualcomm Snapdragon smartphone which means you will need a Qualcomm Flash Image Loader to flash Lenovo S90-U Sisley stock rom.

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The need for Lenovo S90-U Sisley Firmware

It’s always advisable to backup your Firmware after purchasing it. You are definitely going to need your Lenovo S90-U Sisley rom file someday. You are going to need it for the following reasons.


  • Downgrade or Upgrade Lenovo S90-U Sisley.


You can use Lenovo S90-U Sisley rom to downgrade your smartphone or upgrade your smartphone. It depends on the release of the firmware or your choice if the option is available.


  • Unbrick Lenovo S90-U Sisley.


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Lenovo S90-U Sisley Stock firmware can also be used to unbrick any Lenovo S90-U Sisley.  Smartphones can be bricked in the process of rooting or flashing a custom firmware or rom or recovery.


  • Unroot Lenovo S90-U Sisley.


You can also use Lenovo S90-U Sisley stock firmware to completely unroot any Lenovo S90-U Sisley smartphone. You also can regain your warranty by properly flashing the official Lenovo S90-U Sisley stock firmware. It can be done by reverting back to the official stock firmware of Lenovo S90-U Sisley if your smartphone has tampered.


  • Fix Issues on Lenovo S90-U Sisley.


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Your Lenovo S90-U Sisley might develop issue which might be unknown to it you, if it a software related issue, you can restore and fix it by flashing the stock firmware for Lenovo S90-U Sisley. Today, we are presenting all the Official Firmware, both Official releases and updates following it. You can download all of Lenovo S90-U Sisley roms here. If you experience any problem with any of the files, don’t hesitate to tell us.

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Requirements to flash Lenovo S90-U Sisley Firmware


  • A working detectable USB Cord.
  • A Windows PC.
  • A Good Battery Backup
  • A Qualcomm Image Loader
  • Qualcomm USB Driver
  • Lenovo USB Driver

Note that flashing a Lenovo S90-U Sisley firmware to your phone erases everything in your phone including contents in internal storage. It is always very advisable to backup your contents to an external storage or a PC. If your phone is bricked and can’t be accessed, I guess there is nothing you can do.

Follow this procedure below if you wish to flash Lenovo S90-U Sisley Stock Rom.

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How to Flash Lenovo S90-U Sisley Firmware using Qualcomm Flash Image Loader (QFIL).


  • Download and extract Qualcomm Flash Image Loader to your favorite folder.
  • Download Qualcomm USB Driver and install properly. Go to device manager and make sure you see Qualcomm QDLoaderXXXXXX
  • Extract Lenovo S90-U Sisley Firmware.
    Qualcomm-Flash-Image-Loader-Files
    Qualcomm-Flash-Image-Loader-Files
  • Now Open QFIL.exe.
  • Qualcomm Flash Image Loader QFIL Interface
    Qualcomm Flash Image Loader QFIL Interface
  • Click on Browse to locate the extracted Lenovo S90-U Sisley flash file.
    Locate File on Qualcomm load Image
    Locate File on Qualcomm load Image
  • Click on Load XML and select rawprogram_unsparse_without_qcn.xml or select the one compatible to your smartphone
    Load XML in Qualcomm Flash Image Loader QFIL
    Load XML in Qualcomm Flash Image Loader QFIL
  • Click on Select Port and select the you saw when you installed Qualcomm USB driver.
    Select Port on QFIL Tool
    Select Port on QFIL Tool
  • You will need to power off your device and connect it to the PC while off.
  • Once the Lenovo S90-U Sisley stock firmware is ready, click on Download.
    Qualcomm Flash Image Loader (QFIL)
    Click Download Qualcomm Flash Image Loader (QFIL)
  • Once you click on download, the flashing process will begin and might take up to 10 minutes to flash your phone.
  • Relax and take a cup of coffee maybe, your phone will auto reboot after the flashing.
  • Setup your phone and enjoy.

Take Note.

Blogthetech.com will not be responsible for any harm that may come to your phone. Please, make sure you are flashing the right firmare, stock rom, or flash file to Lenovo S90-U Sisley.

If you don’t install all the necessary drivers, you might experience issues flashing Lenovo S90-U Sisley Firmware.

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Because of firmware dumping variations, Firmware file formats may differ. Due to decompressing access, I might not be sure of the file type and because of that, I have provided a different method by which you can flash much firmware of different chips. Kindly indicate if yours is missing.

If the provided Lenovo S90-U Sisley stock rom you want to flash is an MTK rom and comes with MTK Flash Files, follow the procedure below to flash MTKsmartphones. MTK flash files come with preloader, boot.img, scatter file and etc.

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If your smartphone is a Spreadtrum smartphone, or the flash file is in .PAC format, it means you are going to flash it with Spreadtrum Upgrade Tool. If the firmware is in .CPB format, just follow the procedure below to flash it.

If your smartphone is running Qualcomm chipset or the firmware you downloaded is in .mbn format, then, you should use the procedure below.

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John Daniel

The Mastermind behind Blog The Tech, Love the future Tech and a big fan of Android Mobile Development. In his early 20s and an undergraduate of Electrical Electronics Engineering.

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