Can I change the kernel on locked bootloader? - Sony Xperia S, Acro S, Ion

Hello
Can I change the kernel on locked bootloader?
I have a xperia and and I want to change the kernel, if there is please you recommend you one.
Thank you.
I tried several of the forum and does not turn the phone.

Sv: Can I change the kernel on locked bootloader?
I dont think you can. You need unlocked bootloader. Maybe im wrong
Sent from my LT26i using xda app-developers app

Post in the right section. questions goes in to Q/A section. Read rules before posting.

Absolutely NO, locked bootloader's always stuck with the default kernel.

Technically yes. But only from official firmware ftf files and using flashtool
Sent from my 4.2.2 Xperia S via Tapatalk

you'll get bootloop if you install custom kernels

liviugreuu said:
Hello
Can I change the kernel on locked bootloader?
I have a xperia and and I want to change the kernel, if there is please you recommend you one.
Thank you.
I tried several of the forum and does not turn the phone.
Click to expand...
Click to collapse
For custom kernels : you can't
For official/SONY stock kernels : you can

Ben36 said:
Technically yes. But only from official firmware ftf files and using flashtool
Sent from my 4.2.2 Xperia S via Tapatalk
Click to expand...
Click to collapse
So how do u port custom kernal on official rom ftf? Can u make a guide for us? Thanks..
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Member90 said:
So how do u port custom kernal on official rom ftf? Can u make a guide for us? Thanks..
Sent from my LT26ii using XDA Premium HD app
Click to expand...
Click to collapse
You dont, for now there are no available solutions... :-/
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Ben36 said:
Technically yes. But only from official firmware ftf files and using flashtool
Sent from my 4.2.2 Xperia S via Tapatalk
Click to expand...
Click to collapse
So is it possible to flash the default kernel and firmware of the Xperia SL on the Xperia S since they have the same hardware
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Related

How to for Xperia s

How to know bootloader is unlocked or not.Just want to confirm before flashing custom rom
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Fastboot a kernel and see if it works?
Sent from my Jellybean Xperia S
RISHI RAJ said:
How to know bootloader is unlocked or not.Just want to confirm before flashing custom rom
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Click to expand...
Click to collapse
Read this post, and use the *#*#service#*#* code
http://forum.xda-developers.com/showthread.php?p=28325035
~Jaramie
sent by my ION
Xperia SOFT-BRICK Recovery Thread

[Q] Can i use Flashtool with no Unlock bootloader

One question to make it clear. I have stock firmware Untouch no Root and No bootloader unlock. and updated to 4.0.4 Build 6.0.A.2.50 using official PCC. I want to know is it possible to downgrade my phone to Gingerbread using flashtool without unlocking bootloader?
Yup u can do this.
Just download the firmware from
Xdafileserver and flash it:thumbup:
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isht97 said:
Yup u can do this.
Just download the firmware from
Xdafileserver and flash it:thumbup:
Sent from my LT26i using xda premium
Click to expand...
Click to collapse
Are you sure about it did you try it ?
Yes you can. Do it
Sent from my Jellybean Xperia S
xeshan88 said:
Are you sure about it did you try it ?
Click to expand...
Click to collapse
Yes bro I have tried it many times.
There is no problem.
Just go for it.
Sent from my LT26i using xda premium

Installing Ultimate HD

Can I install it with bootloader locked? I am using a rooted Arc S.
If yes, is there any difference between locked and unlocked bootloader?
Sent from my LT18i using xda premium
What do the instructions say.
Sent from myushi
here is the link of the rom
http://forum.xda-developers.com/showthread.php?t=1920207
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o._.o said:
here is the link of the rom
http://forum.xda-developers.com/showthread.php?t=1920207
Sent from my LT18i using xda premium
Click to expand...
Click to collapse
Now all you need to do is read every word from the top of the page to the end of the first post and no doubt you'll find your answer.
Sent from myushi
o._.o said:
Can I install it with bootloader locked? I am using a rooted Arc S.
If yes, is there any difference between locked and unlocked bootloader?
Sent from my LT18i using xda premium
Click to expand...
Click to collapse
yes you can
you only need a rooted device because this rom based on .587 stock rom so you can
http://forum.xda-developers.com/showthread.php?t=1931898

Rooting Arc S (LT18i) Help!

can someone help me with rooting my Arc S? It's untouched and I am a noob. Would be nice if you would write me a PM.
soecifications:
Kernel 2.6.32.9
stock 4.0.4 | .587
Regards,
Sent from my LT18i using xda app-developers app
intel_c0re said:
can someone help me with rooting my Arc S? It's untouched and I am a noob. Would be nice if you would write me a PM.
soecifications:
Kernel 2.6.32.9
stock 4.0.4 | .587
Regards,
Sent from my LT18i using xda app-developers app
Click to expand...
Click to collapse
You can't root 587 directly. You have to downgrade to an earlier version of firmware to do so, and then flash a 587 kernel to get it back to the most updated firmware (therefore keeping root).
Flash this, root with this (by running the runme.bat file), and then flash this
Good luck!
AW: Rooting Arc S (LT18i) Help!
jman2131 said:
You can't root 587 directly. You have to downgrade to an earlier version of firmware to do so, and then flash a 587 kernel to get it back to the most updated firmware (therefore keeping root).
Flash this, root with this (by running the runme.bat file), and then flash this
Good luck!
Click to expand...
Click to collapse
how can I flash something on my device?
I am totally new in this section, I have mostly worked with my X8 and my Transformer.
would be nice if you could write a little explaination for me.
Thanks.
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intel_c0re said:
how can I flash something on my device?
I am totally new in this section, I have mostly worked with my X8 and my Transformer.
would be nice if you could write a little explaination for me.
Thanks.
Sent from my LT18i using xda app-developers app
Click to expand...
Click to collapse
You have to use flashtool to flash firmwares/kernels onto your phone. Here's a tutorial on how to do it.
AW: Rooting Arc S (LT18i) Help!
jman2131 said:
You have to use flashtool to flash firmwares/kernels onto your phone. Here's a tutorial on how to do it.
Click to expand...
Click to collapse
Thank you. I will take a look on it.
Sent from my LT18i using xda app-developers app
just root your phone, and then you will try lots of roms dont worry about any problem because there are questions about whatever you ask :fingers-crossed:
AW: Rooting Arc S (LT18i) Help!
b_b_b said:
just root your phone, and then you will try lots of roms dont worry about any problem because there are questions about whatever you ask :fingers-crossed:
Click to expand...
Click to collapse
I know about the ROMs, I just needed an explaination to root my device.
Sent from my LT18i using xda app-developers app
When will people learn to use search?
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AW: Rooting Arc S (LT18i) Help!
Someguyfromhell said:
When will people learn to use search?
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Click to expand...
Click to collapse
when people start joining not filled forums.
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AW: Rooting Arc S (LT18i) Help!
I found out that I cant unlock my bootloader. what to do now?
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intel_c0re said:
I found out that I cant unlock my bootloader. what to do now?
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Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2102783
intel_c0re said:
I found out that I cant unlock my bootloader. what to do now?
Click to expand...
Click to collapse
Read this - http://forum.xda-developers.com/showthread.php?t=2067008
AW: Rooting Arc S (LT18i) Help!
notice that i have got an Arc S where Testpoint doesn't work (tested too).
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intel_c0re said:
notice that i have got an Arc S where Testpoint doesn't work (tested too).
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Click to expand...
Click to collapse
Did you tried sony offical unlock? If you can't either, I think there's nothing you can do.
[I saw some website (don't remember the url) that claimed that you could unlock it via imei codes, but it was pretty expensive (€ 49,00)... Plus I'm not sure if this was for carrier or bootloader unlock.]
AW: Rooting Arc S (LT18i) Help!
panda0 said:
Did you tried sony offical unlock? If you can't either, I think there's nothing you can do.
[I saw some website (don't remember the url) that claimed that you could unlock it via imei codes, but it was pretty expensive (€ 49,00)... Plus I'm not sure if this was for carrier or bootloader unlock.]
Click to expand...
Click to collapse
should be carrier.
At this Sony thingy where I can check if my BL is unlockable or not it says "No". So I can't flash any unofficial kernels.
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intel_c0re said:
notice that i have got an Arc S where Testpoint doesn't work (tested too).
Sent from my LT18i using xda app-developers app
Click to expand...
Click to collapse
Try Alejandrissimo and do it remotely.
Sent from Myushi
AW: Rooting Arc S (LT18i) Help!
XperienceD said:
Try Alejandrissimo and do it remotely.
Sent from Myushi
Click to expand...
Click to collapse
what?
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intel_c0re said:
what?
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Click to expand...
Click to collapse
As stated in my guide.
Sent from Myushi
AW: Rooting Arc S (LT18i) Help!
XperienceD said:
As stated in my guide.
Sent from Myushi
Click to expand...
Click to collapse
I rooted, did all, but when I install a custom ROM in CWM, I get stuck Sony Logo!
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intel_c0re said:
I rooted, did all, but when I install a custom ROM in CWM, I get stuck Sony Logo!
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Click to expand...
Click to collapse
Have you installed the right kernel?
Sent from Myushi

Sony Xperia S Help!

Hi,
I m new to the forums.
I have a sony xperia s with a locked bootloader but has been rooted.
i have cwm installed on it and currently have XZXperiance_2 installed.
I would like to go back to the offical ICS 4.0.4 Rom.
The phone says it is still logged as 4.0.4 but with different system on it.
I would like to go back to the origional system because of the official JB Update in the next few weeks.
If some could help me step by step it would be much help =]
I have set it back to factory settings but doesnt go back to the origional system i dont think i backed up the old system =[
Any help would be much appriciatted,
Many Thanks
Dan
Use flashtool from development part of Xperia s forum.
Download it, instal drivers, download ICS 4.0.4 generic world and flash it via flashtool.
Sent from my LT26i using xda app-developers app
hi... you can flash official firmware with flashtool..
fw: http://www.xdafileserver.nl/index.php?dir=Sony+(Ericsson)/SE+Xperia+S+(LT26i)/STOCK+ROMS/ICS
ftool: http://androxyde.github.io/
Thanks such a stupid question lol
Many thanks
DJH2389 said:
Thanks such a stupid question lol
Many thanks
Click to expand...
Click to collapse
You can also use SUS for repair the phone to stock rom.
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RHBH said:
You can also use SUS for repair the phone to stock rom.
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Click to expand...
Click to collapse
He cant, he run on custom rom.
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electrash said:
He cant, he run on custom rom.
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Click to expand...
Click to collapse
I think he can cause his bootloader is locked i personally did it my self about month ago..
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Depends on rom, if creator renamed the rom SUS will says unkown version.
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