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Please read this if you considering unlocking the boot loader or rooting your phone.
Please note that you may void the warranty of your phone and/or any warranty from your operator if you unlock the boot loader. You should only unlock the boot loader of your phone if you are an advanced user with good knowledge of the technology and risks involved.
For more information go here http://unlockbootloader.sonymobile.com/
Please also note
The Sony Xperia support team will not be able provide any support, related to unlocking the boot loader or rooting your phone.
We also recommend you to read the below blogposts.
Sony Xperia support team
2012-04-21 03:48 PM
well I will have to wait then...thanks for the reply.
2012-04-21 04:54 PM
There is a pic by Auni marked as helpfull answer, see original post and see helpfull answer
Use that with root explorer to remove all the apps you don't want to keep ( any app would work root explorer or titanium )
do it, its easy or i will be creating a thread for it after 1-2 days
yes you can downgrade (just see correct answers in these threads)
Arc S -
After flashing from flashtool, again repair using SUS and done
2012-04-21 08:16 PM
I use Xperia Neo V : country India
I have decide to tyr the ICS rom provided by you in this thread, but for making the backup of GB using Titanium pro, i need to ROOT it !!
Firstly , post the method to safely root my device.
Secondly, after trying the ICS rom , if i try repairing my phone OS using PC comapnion, i will get my phone installed to GB , Am i right ????
So should i relock my boot loader after completing the whole reverting process or after installing the ICS rom.
Should i re root the phone after reverting back to GB rom (official) , then restore the backup made through Titanium and again lock the bootloader (without making any modifications to the installed apps ).
Will this restore my warranty ???
Or is there any other way out !!
2012-04-21 08:52 PM
First of all thanks for all your efforts on helping everybody! That rocks!
My doubts are quite straight forward. Currently I'm on GB with the original ROM but I've tried the ICS already with flashtool and the rom provided on the post from Bin4ry just right after the ICS nordic came out.
I admit that I might have done something wrong but I had problems with the SIM card getting messages like "Invalid SIM card - Restart System". I flashed with the sim card and the SD card on phone could that affect the flash? I also realised now that the problem ocurred after installing an app called ZD BOX which controls app and system, etc - could that also affect the ICS perfomance?
I then flashed back to GB and had problems with the flash so I'm a bit "afraid" to try it again even following your very explicit instructions.
Can you please advise me please? Thank you in advance!
2012-04-21 11:17 PM
Hi Nabeel !!
Im from Chile ( Latin America) . Can I flash my phone with this nordic ics? or this guide only works on xperias in europe and asia? I want to flash this cause in latinamerica the operartors never bring us the updates.. could you pleeeeeeeeeeeeeeease answer me? Thanks!!
2012-04-21 11:29 PM
Hi karlnoack, welcome to the forum as i see your first post is the one to which i am replying
Yesss you can flash ics on your phone without any problem
Feel free to ask anything
2012-04-21 11:42 PM
Hi buddy, it could be anything, earlier there were so many errors with flashtool while flashing ics but later it was updated, ( that may also be the cause)
i would suggest you to reflash again using flashtool and after that using PC companion
ICS + root + removing bloatwares = perfect rom ( for me )
2012-04-21 11:50 PM
thanks nabeeel!! ill try and tell u my progress!! One question i read that with flashtool the ics has no partition or something like that and we have to flash about 4 times with differents combinations of config to get it work ..
Here is what i tell u!
Is this neccesary????
2012-04-22 12:02 AM
Ooops, i lied down on my bed to sleep but fortunately i didn't turn my wifi off and received your notification ( in mobile )
Thank god otherwise......
Budd just follow my way and nothing else. [Post the good news. would see it when i get up in the morning ( its 3:30am here ) all the best
2012-04-22 12:35 AM
Well I've decided to flash it again following your guide. Did everything "by the book", even the repair part on SEUS and when I thought it was working fine it did it again!
Could it be because the phone is locked to the carrier and the ICS is Nordic and kinda block the SIM card?
I actually download the internet and mms definitions on the automatic thingy on the initial setup, could that be? Do I have to insert it manually myself?
I'm getting really disapointed and thinking that it will even do that with the my carriers ICS update (whenever that might be...like in 6 months time!!!!)! I'm currently trying another SIM card to see if it's a SIM card incompability with ICS (as with GB it works fine).
If you have any advices please let them come! Oh and thank alot!!!