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Unlock 99% of all Sony Xperia Models with a 16 digit Unlock code. Simple input the 16 digit unlock code emailed to you and your Sony Xperia phone will be permanently unlocked, even after updating the firmware. Your Service Provide will charge you up to for the exact same service.
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A: The pricing will vary depending on the Network your Xperia is locked to.
Now In Case If You Face Any Difficulty While Flashing The Firmware, Do Let me Know In Comments.
And Also Please Be Noted That Flashing Firmware May Void Your Device’s Warranty. Essential Steps Before Updating Firmware: 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 : Congratulations !
Xperia Arc Logo " data-medium-file=" data-large-file=" class="alignright size-full wp-image-4403" src=" alt="Xperia Arc Logo" width="246" height="215" /Just like we bring constant updation tutorials for other phones like Samsung Galaxy S, htc Phones and Motorola Phones etc., so let’s check out on how you can update your Xperia Arc with the latest firmware with the help of the flash tool.
So, let’s proceed and see on how you can update with the same on your phone.
For the time being we’ll be discussing only about Sony Xperia Ray ST18i handset amongst the other.