[Q]About kernel - XPERIA X10 Q&A, Help & Troubleshooting

Why the installation of the kernel is through a tft file and not via recovery like other android devices?

Read my answer here.
It's not totally technically correct but that is the procedure in short
THeLogiC said:
nope sorry mate you cant do that.
Bootmanager can be flashed only by flashtool.
In Locked bootloader, the sony kernel is killed and than custom kernel starts after this process so we can flash it via cwm
In Unlocked bootloader we have to remove the sony kernel and load the custom kernel but on X10 its not possible with cmw/xrec
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Sent from my X10
Sent from my X10

THeLogiC said:
Read my answer here.
It's not totally technically correct but that is the procedure in short
Sent from my X10
Sent from my X10
Click to expand...
Click to collapse
Your answer say that is impossible install kernel via recovery. Why is impossible?
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xSkArx said:
Your answer say that is impossible install kernel via recovery. Why is impossible?
Sent from my X10i using xda app-developers app
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as far as i know its not possible for unlocked bootloader. you have to flash kernel via recovery in locked bootloader
I cant give more technical answer than that.
you can ask any dev

if you're into reading, then learn about kexec in wikipedia. in locked bootloaders, the stock kernel is temporarily overwritten by another kernel that has the kexec module. however in unlocked bootloaders that won't work. so for the time being flashing kernels via CWM is not possible for unlocked bootloaders. funniest part is i don't even own an X10.

sgt. meow said:
if you're into reading, then learn about kexec in wikipedia. in locked bootloaders, the stock kernel is temporarily overwritten by another kernel that has the kexec module. however in unlocked bootloaders that won't work. so for the time being flashing kernels via CWM is not possible for unlocked bootloaders. funniest part is i don't even own an X10.
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thanx for the answer

sgt. meow said:
if you're into reading, then learn about kexec in wikipedia. in locked bootloaders, the stock kernel is temporarily overwritten by another kernel that has the kexec module. however in unlocked bootloaders that won't work. so for the time being flashing kernels via CWM is not possible for unlocked bootloaders. funniest part is i don't even own an X10.
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Thanks, but AFAIK Galaxy Ace have unlocked bootloader and can install kernel via recovery but can't on X10 I think is more fast via recovery that flashtool
Thanks to all for answer
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xSkArx said:
Thanks, but AFAIK Galaxy Ace have unlocked bootloader and can install kernel via recovery but can't on X10 I think is more fast via recovery that flashtool
Thanks to all for answer
Sent from my X10i using xda app-developers app
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its only problem for X10.
there must be something preventing us from doing that otherwise must have been done before

Related

Regarding Unlocked Bootloader

So I'm wondering what's the whole point of unlocking bootloader since I have no idea what its for.
Comments will be appreciated. Ty!
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qazaz said:
So I'm wondering what's the whole point of unlocking bootloader since I have no idea what its for.
Comments will be appreciated. Ty!
Sent from my X10i using XDA Premium App
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So you can load custom kernels directly without having to bypass the stock kernel.
Its a lot cleaner and allows for more customisation like doomkernel v06 for unlocked bootloaders which includes a bootmanager. It also has the potential for cm7.2 (Maybe cm9) in the future, and full support from cm because we will be able to use cmw recovery not just xrecovery

Kernel through CWM recovery.

Hey guys anyone ever flashed a kernel through cmw recovery? I've seen it done on youtube but never seen it done here.
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you can flash kernel through recovery only on Locked Bootloader and not unlocked bootloader.
There is doomlord's bootmanager for unlocked bootloader supporing to boot into different kernels while booting but haven't tried it personally so dont know about it
Thanks. But why I ask is out of curiosity and Because my computer crashed leaving me on a cm7 rom I don't particularly like for two days! So how is it that flashing kernels for only locked bls? So not fair. Sounds strange to me. well I'm no dev or a noob. Hmmm but I wonder if I can flash that boot manager through cwm? What you think?
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brenty108 said:
Thanks. But why I ask is out of curiosity and Because my computer crashed leaving me on a cm7 rom I don't particularly like for two days! So how is it that flashing kernels for only locked bls? So not fair. Sounds strange to me. well I'm no dev or a noob. Hmmm but I wonder if I can flash that boot manager through cwm? What you think?
Sent from my X10i using xda app-developers app
Click to expand...
Click to collapse
nope sorry mate you cant do that.
Bootmanager can be flashed only by flashtool.
In Locked bootloader, the sony kernel is killed and than custom kernel starts after this process so we can flash it via cwm
In Unlocked bootloader we have to remove the sony kernel and load the custom kernel but on X10 its not possible with cmw/xrec
THeLogiC said:
nope sorry mate you cant do that.
Bootmanager can be flashed only by flashtool.
In Locked bootloader, the sony kernel is killed and than custom kernel starts after this process so we can flash it via cwm
In Unlocked bootloader we have to remove the sony kernel and load the custom kernel but on X10 its not possible with cmw/xrec
Click to expand...
Click to collapse
Thanks dude for the help.
Sent from my X10i using xda app-developers app

[Q] Locked bootloader + CWM?

So, I was searching for solution to have custom recovery on my locked Xperia S and i couldn't find it. Is it even possible because of my locked bootloader? My phone is rooted.
Rooting with This method gives recovery on locked bootloader.
I'm using it. I make backups and also flash roms that are for locked bootloader.
iamsuperuser said:
Rooting with This method gives recovery on locked bootloader.
I'm using it. I make backups and also flash roms that are for locked bootloader.
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Click to collapse
What other roms? Only miui or thers more of them?
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Kornezije said:
What other roms? Only miui or thers more of them?
Sent from my LT26i using xda app-developers app
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xcream and [email protected] roms are pretty cool, easy to install on locked bootloader and clean,
You can also use the attached "recovery", very quick no reinstalls, and even root direct with flashtool. A lot faster than the old method
corum3 said:
You can also use the attached "recovery", very quick no reinstalls, and even root direct with flashtool. A lot faster than the old method
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Click to collapse
How?
Sent from my LT26i using Tapatalk 2
My SXS is rooted (http://forum.xda-developers.com/showthread.php?t=1886460) and CWM is installed (http://forum.xda-developers.com/showthread.php?t=1756346) on locked bootloader. So I can install for example the [email protected] ROM with CWM and will still have root and CWM?
Thx for answers!

[Q] Cyanogenmod Bootloader Locked

I have a question, I have a xperia S (lt26i), and I have allowed bootloader status "no", I have the generic 4.0.4 android world, but hey seen you can install the root cwm and also do not need the boot loader unlocked, having locked bootloader could install cyanogenmod 9?? or any way to get it having locked bootloader without having to flash the kernel?
If this was in the right section you would get your answer a lot faster as a lot of people now ignore question threads in the GENERAL section.
Sent from my ST25i using xda app-developers app
Nope you need an unlock boootloader to boot CM rom
Sent from my LT22i using Tapatalk 2
Not yet would be the right answer as some people are working on trying to get custom kernel onto a locked bootloader as this is the thing stopping users with locked bootloaders have cm ://
techno-np said:
Nope you need an unlock boootloader to boot CM rom
Sent from my LT22i using Tapatalk 2
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I read somewhere that putting a generic rom 4.0.4 in specific and having locked bootloader cwm installed, you could install CM9, 9 not 10, because the kernel was compatible with CM9 and did not need to flash another kernel. And would have locked bootloader CM9 with and without flash kernel.
Its possible. You have to wait. check this thread, you can understand.
http://forum.xda-developers.com/showthread.php?t=1961638
Sent from my LT26i using xda app-developers app
this guy (seems) to have done it!
http://forum.xda-developers.com/showthread.php?t=1969804
(even this)

[Q] just need an answer guys

Just want to ask guys if it's okay to unlock the bootloader using a custom rom?
Thanks for future answers
Hi,
I'm not sure to understand. You mean that tou want to unlock your bootloader by flashing a custom ROM ?
If so, it's not possible. Depending on your phone, you'll need to unlock your BL manually, via Sony's website or with "test-point method" (there may also be other methods).
If you mean that you want to unlock your phone using a "regular" method, while you're using a custom ROM compatible with locked BL, then I'd answer yes. But you may not be able to access the Sony "hidden" menu to check if it's successful.
Also, your post's title is not very explicit...
Thanks for the reply, but what I mean is I am using custom rom right now with a locked bootloader. And my question is, is it okay to unlock my bootloader even I am not on stock firmware?
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Zedfailon said:
Thanks for the reply, but what I mean is I am using custom rom right now with a locked bootloader. And my question is, is it okay to unlock my bootloader even I am not on stock firmware?
Sent from my ST15i using xda premium
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Yes, it should be fine.
Sent from my GT-N7000 using xda app-developers app
Zedfailon said:
Thanks for the reply, but what I mean is I am using custom rom right now with a locked bootloader. And my question is, is it okay to unlock my bootloader even I am not on stock firmware?
Sent from my ST15i using xda premium
Click to expand...
Click to collapse
Well first you need to know the uses of unlocking a bootloader and also its consequences.
By unlocking your phone's bootloader,you will be able to flash custom kernels to your phone with which you will also get the option of overclocking and underclocking your phone!
BUT
You will lose your warranty and the DRM keys will be lost.
So,if you think that it's great to unlock your bootloader and you don't care about the consequences,go ahead!
Enjoy your phone's true powers then!
andogeek10 said:
Yes, it should be fine.
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Oh thanks for that answer. I should proceed then.
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coolancool said:
Well first you need to know the uses of unlocking a bootloader and also its consequences.
By unlocking your phone's bootloader,you will be able to flash custom kernels to your phone with which you will also get the option of overclocking and underclocking your phone!
BUT
You will lose your warranty and the DRM keys will be lost.
So,if you think that it's great to unlock your bootloader and you don't care about the consequences,go ahead!
Enjoy your phone's true powers then!
Click to expand...
Click to collapse
Yeah I already know whats the consequences of unlocking the bootloader. The reason that I want to unlock my bootloader is I want to overclock my xperia mini. Anyways, thanks for the reply! You got my thanks!
Sent from my ST15i
Zedfailon said:
Yeah I already know whats the consequences of unlocking the bootloader. The reason that I want to unlock my bootloader is I want to overclock my xperia mini. Anyways, thanks for the reply! You got my thanks!
Sent from my ST15i
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You're sure you want to overclock? Because that could even destroy the phone and I guess you have a higher battery draining
mihahn said:
You're sure you want to overclock? Because that could even destroy the phone and I guess you have a higher battery draining
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I don't really use overclocking always because my previous phone got some overheating issues. But I will overclock my phone when I will play an hd game because it really lags alot.
sent from my St15i from mars
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