How to upgrade LYF JIO Mobiles software using Flash File (stock from) -Spreadtrum CPU only



Drivers (spd-SCI-android-usb-driver-jungo-v4)

Upgrade LYF JIO mobile software using Flash File (stock from):

Software upgrade process – SPD Upgrade Tool

Download the Software file, Tool & Drivers from the upper download links given.

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

Here for reference, we are using JioPhone model F211S.

Post Unzip you will get
Software file (LYF-F211S-000-02-28-010520)
New SPD CPU Software Download tool “SPD_Upgrade_Tool_R26.21.2801”
Driver File (SCI-android-usb-driver-jungo-v4)

Driver Installation:

Open SCI-android-usb-driver-jungo-v4 Installer folder & double click on Setup.exe to start the Driver Installation.


Click on Next to Proceed Further.


During Installation, the above Pop-Up will come.

Enable “Always trust Software from Spreadtrum Communication co LTD” Click on Finish to complete the Driver Installation.


If the Driver is Installed Successfully, the Jio Phone
(F211s) will get detected as “Spreadtrum Diagnostics (Com XX)” Under Ports in Device Manager.

Software upgrade process:

To run the tool, open the “SPD_Upgrade_Tool_R26.21.2801” folder. In the folder, you can see SPD Upgrade Tool.exe file.

Run this file to open the software download tool.

Screenshot 2
Screenshot 1

The SPD_Upgrade_Tool_R26.21.2801 UI will look like the image shared in the blow.

Screenshot 3

Click on “Load packet” to load the Software file.

Load the F211s Software file & select the LYF-F211S-000-02-28-010520.pac file from the software folder.

Screenshot 4

The model number and version of the device will be displayed in “Download Software Model”. Here is the LYF-F211s model which is being used for software upgrade.

Click on “Start Downloading” to start the software upgrade process.

Screenshot 5

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

During the process of software upgrade, All is well “DOWNLOADING” message will be displayed in the tool Download bar indicating the software upgrade process has started.

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

Key points –

  • Software upgrade of F211S to be done on SPD_Upgrade_Tool_R26.21.2801 and older versions.
  • To put F211s 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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