Update Sony Xperia Ray ST18i with Official ICS 4.0.4 Firmware

Since Sony rolled out the ICS 4.0.3 for their Xperia devices (including Xperia Arc S, Xperia Neo v, Xperia Ray etc). Now the time has come to update them with the latest ICS 4.0.4 which is the leaked version of official update (by Sony mobile). For the time being we’ll be discussing only about Sony Xperia Ray ST18i handset amongst the other. So in due course of article we’ll check out how you can upgrade Xperia Ray (ST18i) firmware to ICS 4.0.4

Let Us Head To The Remaining Portion of This Article Where We Will Be Checking The Following Things :

Essential Steps Before Updating Firmware.
Procedure To Update Sony Xperia ST18i With Official ICS 4.0.4.

Disclaimer : We Have Made This Article Covering Each And Every Part At Our Level Best.In Case If Any Damage Happens to Your Device (It Should not Be), Neither We nor Sony will Be Held Responsible For It.And Also Please Be Noted That Flashing Firmware May Void Your Device’s Warranty.So Flash It At Your Own Risk.

Essential Steps Before Updating Firmware:

You Must Enable USB Debugging By Checking the Box in your device by Following the Path Below:

Settings -> Applications -> Development -> USB Debugging

It will highly Recommended to Backup all Your data Stored in your phone So as to Restore it back just in case If You Lose or Corrupt the Data During this Process.

Your Device Must be Charged up to 70% or Above Battery Level to Ensure that Your Device should not be Turned Off During this Process.

It will be Recommended to Temporary Disable Security Tools as well as Antivirus Installed on your Computer as This might Interrupt the Process.

By Assuming that you have followed all the instructions mentioned in Essential Steps Before Updating Firmware, You are Now Ready to Move to Rest Part of The Article Where We Will be Checking That how to apply ICS 4.0.4 Firmware Update in Xperia Ray.

Procedure To Update Sony Xperia ST18i With Official ICS 4.0.4 :

  • Firstly You Need To Download The Two Files Which is Mentioned Below :

  1. Xperia Flashtool.
  2. Xperia Ray ICS 4.0.4 Firmware Package. | 190.25 MB

Install Flashtool Which You’ve Just Downloaded In Your Computer (For You Convenience, It is Recommended To Install Flash Tool in C: Drive).

Extract Xperia Ray ICS 4.0.4 Firmware Update Package in Your PC, You’ll Get .ftf File.

Navigate C: –> flashtool –> firmwares Directory.Delete All The Data in That Directory If It is Present Over There.

Copy/Move The Extracted Firmware Package File (.ftf File) In The C: –> flashtool –> firmwares Directory.

Now We’ll Proceed To The Actual Firmware Updating Procedure In Our Further Tutorial.

Open Xperia Flashtool Which You’ve Just Installed.Select Flash Option From The Top Corner of The Tool.(Refer The Image Below).

 You’ll Be Ask To Select Either Flash Mode Or Fastboot Mode.Select Flash Mode & Press Ok.

 After Selecting Flash Mode, Firmware Selection Window Will Appear.In The Left Side Select ST18i (Version 4.1.B.0.431).

In The Right Side, Tick The Following 4 Options Only.
  1. Wipe data
  2. Wipe cache
  3. Wipe apps log
  4. No Final Verification

 Select/Press Ok. Wait For It To Prepare.Now It will Ask You To Connect Your Mobile, Follow The Steps Carefully & Connect Your Phone.(While Connecting The Device To The Computer, Turn Off Your Xperia Ray. Press & Hold Volume down key & Now Connect It To The PC).

As Soon As Connect Your Device To PC, Flashing Process Should Now Start.Once You See The Flashing Finished Message In Flashtool. Remove/Detach The Device From PC & Wait For The Device To Reboot (First Boot After Flashing Firmware Takes More Time Than The Usual.So Don’t Panic & Be Patient). 

Congratulations ! By This Time Your Sony Xperia Ray Should be Running On Latest Firmware Update of ICS 4.0.4.Now In Case If You Face Any Difficulty While Flashing The Firmware, Do Let me Know In Comments.I Will Be There To Assist You As Quick As Possible.


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