LYF Jio F250Y Flash File (stock rom)

Here on this page, you find the latest (2022) to the old version of firmware, flash file (stock rom) for LYF Jio F250Y mobile. All the latest to old versions files downloadable links are given below, follow the links to get the flash file to your device.

Download Flash File (stock rom) to install KAIOS OS on your LYF Jio F250Y Mobile:

How to upgrade LYF JIO F250Y software using Flash File (stock from) :

Software upgrade process – Qflash Tool 9.1.7

As the earlier Qflash tool (Qflash Tool 9.1.7) was released required the IT team intervention for installation so we have now modified the tool.

  • The modified tool does not require the IT team intervention & can be run directly.
  • This tool can be used for software flashing of LF2403, LF2403S(Secure build), LF2403N, F120B, F300B & F220B, F320B, F30C, F250Y.
  • The new tool is Qflash_tool_9.1.7

Key Points:

  1. The new Qflash_tool_9.1.7 supports software upgrade of LF2403, LF2403S,LF2403N, F120B, F300B & F220B, F30C, F250Y only.
  2. F220B software can be upgraded with Qflash_Flatbuild_Tool_9.1.7.
  3. Old Qflash_6.1.3 tool does not support F220B software upgrade.
  4. Kindly communicate DRS/JP/JS service manpower to start using the Qflash tool_9.1.7.
  5. Please note Old Qflash_6.1.3 tool does not support flashing of F220B. Hence kindly do not try this.

Software upgrade process – Qflash Flatbuild Tool 9.1.7

Download the Software file, Tool & Drivers from

The Download Software package will be in Zip format, kindly Unzip the same.

Here for reference, we are using JioPhone model F320B, The Lyf Jio F250Y & LYF Jio F320B Software Upgrade Process Is the Same.

Post Unzip you will get
Software file (LYF-F320B-002-02-37-130921)
New Software Download tool “Qflash_Flatbuild_Tool_9.1.7”
Driver File (QUD.WIN.1.1 Installer-10040.5)

Driver Installation:

Open QUD.WIN.1.1 Installer-10040.5 folder & double click on Setup.exe to start the Driver Installation.

Qualcomm driver installation setup.exe
Qualcomm USB driver processing

Click on Next to Proceed Further.

Qualcomm USB driver

Select “I accept the Terms in the License Agreement.” Click on Next to proceed further.

Qualcomm USB Driver  Select “I accept the Terms in the License Agreement.” Click on Next to proceed further.

Click on Install to proceed with Installation.

Qualcomm USB Driver click next
image 033

During Installation, the above Pop-Up will come.

Enable “Always trust Software from Qualcomm Incorporated” Click on Finish to complete the Driver Installation.

Qualcomm usb driver Always trust Software from Qualcomm Incorporated
image 041

If the Driver is Installed Successfully, the Jio Phone
(F320B) will get detected as “Qualcomm HS-USB Diagnostics 9092 (Com XX)” Under Ports in Device Manager.

image 048

Note – Phone to be Connected in Power ON Condition to check whether Driver is Installed correctly.

Software upgrade process:

To run the tool, open the “QFlashToolFlatBuild9.1.7” folder. In the folder, you can see QflashTool_9.1.7.exe file.

Run this file to open the software download tool.


The QFlashToolFlatBuild9.1.7 UI will look like the image shared in the blow.


Click on “Load” to load the Software file.


Load the F220B Software file & select the prog_emmc_firehose_8909_ddr.mbn file then select rawprogram_unsparse then select patch0.xml from the software folder.


The model number of the device will be displayed in “Download Software Model”. Here is LYF-F320B model which is being used for software upgrade.

Click on “Download Content” to start the software upgrade process.

During the process of software upgrade, the tool will display, Download Software Model & Phone Software version.

Click on OK to proceed with Software upgrade process.

During the process of software upgrade, All is well “SUCCESS” message will be displayed in the tool log window indicating the software upgrade process has started.

On successful completion of the software, “Download Succeed” message will be displayed.


Key points –

  • Software upgrade of F320B to be done on QFlashToolFlatBuild9.1.7 only.
  • To put F320B in force download mode, press “*” key simultaneously & insert the one end of the USB Data Cable to computer system & another end to the phone.

Hi, I am Ashish, how are you guys, follow for free mobile repairing software unlocking, flash files and schematic files.

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