[Q] restore stock kernel - Xperia Z2 Q&A, Help & Troubleshooting

hello guys, does anyone now how to restore your stock kernel on xperia z2? or do you have stock kernel there? please teach me or guide me on how to restore your stock kernel. i am using doomkernel and i am afraid that i cant avail those xperia update on our phone , so i need to restore my phone to stock kernel. thank you

Info
xerwudjohn said:
hello guys, does anyone now how to restore your stock kernel on xperia z2? or do you have stock kernel there? please teach me or guide me on how to restore your stock kernel. i am using doomkernel and i am afraid that i cant avail those xperia update on our phone , so i need to restore my phone to stock kernel. thank you
Click to expand...
Click to collapse
If you’ve unlocked the boot loader, and flashed a custom ROM/Kernel, there’s actually a way to return to a generic Sony ROM by using the Flash tool for Xperia™ devices. This is a Windows application that you can download from the Developer World website. The Flash tool for Xperia™ devices can only be used by unlocked Sony devices.
Please note that your device stays unlocked even if you flash a generc Sony ROM, and that the warranty may still be voided. Only a limited number of devices and ROMs are supported by this tool.
Download and read more about the Flash tool for Xperia™ devices.
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Source
:good:

Geeks Empire said:
Source
:good:
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thanks mate!

Related

[Q] Mini Pro 4.0.2.A.0.62

Hi, I'm a noob here and in android platform.
So I bought this sk17i and it has 2.3.4 4.0.2.A.0.62
I was trying to root it fails and from what I've read around here it's because of 4.0.2.A.0.62? is there a work around with that?
thanks
I didnt try it, but an older official kernel should work as mentioned here:
http://www.xperiablog.net/2011/12/2...4-0-2-a-0-62-rolling-out-just-a-minor-update/
if you have an unlocked bootloader, you can also flash this here:
http://forum.xda-developers.com/showthread.php?t=1440161
thanks but can you tell me where to get the stock kernel for sk17i? I'm sorry I'm new to this I've been searching but all I could find are the ones that are modded
by the way I was trying to use modded kernels but I always get this:
FAILED(remote: The devices must be rooted first)
You need to unlock bootloader to flash custom kernel
sent from mangoe's eii
karan1051993 said:
You need to unlock bootloader to flash custom kernel
sent from mangoe's eii
Click to expand...
Click to collapse
I got a hold of a stock kernel but still can't install it, it still says
FAILED(remote: The devices must be rooted first)
How can I back to my previous Rom from 62, some help please...
Sent from my ST15i using Tapatalk
[email protected] said:
How can I back to my previous Rom from 62, some help please...
Sent from my ST15i using Tapatalk
Click to expand...
Click to collapse
flash older rom using wotanserver, google it for more info
far as I know flash the 058. rom,then root it.There is a full support for this number of rom.
So there is any official changelog of this new FW?
edit: found this here on xda:
http://forum.xda-developers.com/showpost.php?p=20653342&postcount=5
official .58 kernel
plz provide a link to download the official .58 kernel.
Code:
http://www.megaupload.com/?d=0WA76Q7M
got it from here
ceroberoz said:
Code:
http://www.megaupload.com/?d=0WA76Q7M
got it from here
Click to expand...
Click to collapse
Isn't it the whole firmware? I had seen in some forum(I think it was sonyericsson's support forum) Xperia arc's kernel (only kernel) was available. It was a zipped file, only around 4-5mb.
Isn't something like that available for our phone. I searched a lot, but didn't find it.
Won't flashing the whole firmware (in the link) unlock bootloader?
Sudanminipro said:
Isn't it the whole firmware? I had seen in some forum(I think it was sonyericsson's support forum) Xperia arc's kernel (only kernel) was available. It was a zipped file, only around 4-5mb.
Isn't something like that available for our phone. I searched a lot, but didn't find it.
Won't flashing the whole firmware (in the link) unlock bootloader?
Click to expand...
Click to collapse
Unlock bootloader is different than flashing the fw although it is related if you want to flash the custom ROM (and custom kernel of course such as rage or krsh kernel).
Google "unlock bootloader+sony ericsson" to find the website where you can get the key to do so.
Im using stock .62 fw with unlocked bl becoz i want to use custom kernel with prerooting as .62 cant be rooted by superoneclick and i dont mind on the effect to the warranty. Somemore, cm ROM isnt stable enough.
In other words, you can flash stock ROM with stock kernel even if you dont unlock bootloader but if you want to flash custom kernel or custom ROM or both, bl had to be unlock or else you will stuck at S.E words during boot.
Sent from my SK17i using XDA App
how unlock bootloader or root other way
not wotanserver.com and SE
use wotanserver.com
its help you downgrate
Sudanminipro said:
plz provide a link to download the official .58 kernel.
Click to expand...
Click to collapse
wotanserver.com/en/sony-ericsson/se/xperia-mini-pro-sk17/unlock-tool/debranding-flash
Sent from my SK17i using xda premium

Q. Can I use Sony Ericsson Companion to restore firmware when I have NAA Kernel

I currently have Paul's Rom Android V 4 and a custom kernel NAA Kernel.
Since it doesn't have camera and other features I have thought of reverting back to the original firmware and kernel..
Can I directly use Sony Erricsson PC Companion to restore everything or do I have to flash the kernel of stock again ?
Please give some vision.
camelgrg said:
I currently have Paul's Rom Android V 4 and a custom kernel NAA Kernel.
Since it doesn't have camera and other features I have thought of reverting back to the original firmware and kernel..
Can I directly use Sony Erricsson PC Companion to restore everything or do I have to flash the kernel of stock again ?
Please give some vision.
Click to expand...
Click to collapse
i dont have that rom but minicm7, and i can tell u with this one it was as simple as open the program in pc, select repair and follow the instructions. after that i had my phone with stock kernel and rom again. dont be afraid, if it wasnt possible the program would tell u.
Thanks for your kind reply, I am going to do it but when I connect my Device it says Xperia X10 but not Xperia X10 Mini Pro, previously it used to show Xperia X10 Mini Pro ?? Confusing ? I recently upgraded the SE PC Companion.
That's just showing how much SE. Really don't care for our phones. In flash it should be fine but if your worried download sony ericsson update service instead. Btw when you flash you will have stock rom kernel etc but your bootloader is still unlocked. Just in case you thought that would relock it
Sent from my X10 Mini Pro using XDA
Thanks for your kind reply If I keep it unlocked does it affect in any way ? I don't properly understand. I unlocked it for the NAA Kernel.
camelgrg said:
Thanks for your kind reply If I keep it unlocked does it affect in any way ? I don't properly understand. I unlocked it for the NAA Kernel.
Click to expand...
Click to collapse
dont worry!! u can use stock rom and kernel with ur bootloader unlocked... i did it... its only useful to relock in case u have to send it to repair, as it was my case, to repair it with the warranty
camelgrg said:
I currently have Paul's Rom Android V 4 and a custom kernel NAA Kernel.
Since it doesn't have camera and other features I have thought of reverting back to the original firmware and kernel..
Can I directly use Sony Erricsson PC Companion to restore everything or do I have to flash the kernel of stock again ?
Please give some vision.
Click to expand...
Click to collapse
for sony ericsson. not the PC companion to revert back. you should use UPDATE SERVICE to restore back to stock condition and redo all the mod again.
camelgrg said:
I currently have Paul's Rom Android V 4 and a custom kernel NAA Kernel.
Since it doesn't have camera and other features I have thought of reverting back to the original firmware and kernel..
Can I directly use Sony Erricsson PC Companion to restore everything or do I have to flash the kernel of stock again ?
Please give some vision.
Click to expand...
Click to collapse
i tryed do it, and SEUS says that my device has no atualization and don't restore, so i replaced my build.prop for other from original rom, restarted my device, then SEUS recognized my device and restored for original 2.1 android.
another way is download a firmware and flash it using flash tools~

Unlocked Bootloader 0.62

I have my xperia live with walkman's bootloader unlocked the normal sony way. I am on 0.62 firmware. What now?
I am basically looking for rooting and CWM installations...but the ways i find for installation of CWM require root and the methods for rooting require CWM.
Any help?
P.S. I am open for long methods...noob with the phone, not with technology
Try to use Doomlord's Root.
dhruvbatra205 said:
I have my xperia live with walkman's bootloader unlocked the normal sony way. I am on 0.62 firmware. What now?
I am basically looking for rooting and CWM installations...but the ways i find for installation of CWM require root and the methods for rooting require CWM.
Any help?
P.S. I am open for long methods...noob with the phone, not with technology
Click to expand...
Click to collapse
Well you need a kernel with pre-rooting and CWM. For that i recommend Rage kernel v2.8 you can even use x kernel. All you need is an unlocked bootloader.
When ever i flash back to stock .62 on my Mini i immediately flash Rage kernel and everything is up ready to be modded.
Hope this helps.
cing01 said:
Try to use Doomlord's Root.
Click to expand...
Click to collapse
It doesn't work with 0.62
iamsuperuser said:
Well you need a kernel with pre-rooting and CWM. For that i recommend Rage kernel v2.8 you can even use x kernel. All you need is an unlocked bootloader.
When ever i flash back to stock .62 on my Mini i immediately flash Rage kernel and everything is up ready to be modded.
Hope this helps.
Click to expand...
Click to collapse
How do i flash this kernal?
explain me this stuff a bit, can you please?
dhruvbatra205 said:
I have my xperia live with walkman's bootloader unlocked the normal sony way. I am on 0.62 firmware. What now?
I am basically looking for rooting and CWM installations...but the ways i find for installation of CWM require root and the methods for rooting require CWM.
Any help?
P.S. I am open for long methods...noob with the phone, not with technology
Click to expand...
Click to collapse
flash a custom kernel ... like rage or xkernel ..... that will giv u root and cwm.... thn take backup of ur current original rom ( this is just advice ... ).....
Worked out using the fastboot file used for bootloader unlocking
Thank you everyone!
Thread closed!

Flashing stock rom over cm9.1 for xperia s

Hello everyone,
Recently i rooted my xperia s with bootloader unlocked and flashed with cm9.1, now i need to change cm9.1 to stock rom 6.1.A.2.45 which is now available for download in xda forums, also i have made a back up of 6.1.A.2.45 (via SEUS) in my pc using flashtool. Help me to install new stock rom over cm9.1. Also tell me that whether i can use the backup which i have created using flashtool.. Thanks in advance..
Just restore your backup with flashtool.
K900 said:
Just restore your backup with flashtool.
Click to expand...
Click to collapse
will restoring the stock make my phone unroot??? also if there is any thread regarding this can u point it out??
Raaj52 said:
will restoring the stock make my phone unroot??? also if there is any thread regarding this can u point it out??
Click to expand...
Click to collapse
Depending on whether your phone was rooted when you made that backup.
K900 said:
Depending on whether your phone was rooted when you made that backup.
Click to expand...
Click to collapse
No, not a rom backup i made, actually i made a .ftf from the root folder's of SEUS by decrypting files using flashtool.. That's not rooted (since i dont know how root a stock rom .ftf ).. Please explain me how to flash that .ftf which i made, over cm9.1..
please help me, just tell me how to change cm9.1 to stock rom for xperia s
Raaj52 said:
No, not a rom backup i made, actually i made a .ftf from the root folder's of SEUS by decrypting files using flashtool.. That's not rooted (since i dont know how root a stock rom .ftf ).. Please explain me how to flash that .ftf which i made, over cm9.1..
please help me, just tell me how to change cm9.1 to stock rom for xperia s
Click to expand...
Click to collapse
Just flash it like any other ftf.
K900 said:
Just flash it like any other ftf.
Click to expand...
Click to collapse
Thanks man,
help
plz can you give me the detail description of how to flash my Xperia s with (build no-6.1.A.2.45) and (Android Version 4.0.4)
I have rooted my phone and i want to flash it to cm 10.
1ro1 said:
plz can you give me the detail description of how to flash my Xperia s with (build no-6.1.A.2.45) and (Android Version 4.0.4)
I have rooted my phone and i want to flash it to cm 10.
Click to expand...
Click to collapse
Go to Xperia S forum and post this question in the Q&A section to get appropriate guidance...... but before that goto XS section and search for it....... you will surely find your answer......

[Q] [ROOT HELP] Sony Xperia U ST25a

I'm having troubles to root my Sony Xperia U ST25a.
I just unlocked the Bootloader *yay! finaly* as I read that it is needed to root using this video: /watch?v=x65ua5x4sMc
But when the Root part comes I'm afraid to use that files because my Phone Software Version is: 6.1.1.B.1.54 and I didn't found any kernel.elf files for this version.
Can someone help me with it not using ST25i way, or a problematic way (yes, I'm noob on it) to root my phone?
I really need to use LEDs-U-CTRL
Thank you all.
NOTE: I already used Xperia P kernels but my phone died and I dont know how I made him alive again.
srlittrell said:
I'm having troubles to root my Sony Xperia U ST25a.
I just unlocked the Bootloader *yay! finaly* as I read that it is needed to root using this video: /watch?v=x65ua5x4sMc
But when the Root part comes I'm afraid to use that files because my Phone Software Version is: 6.1.1.B.1.54 and I didn't found any kernel.elf files for this version.
Can someone help me with it not using ST25i way, or a problematic way (yes, I'm noob on it) to root my phone?
I really need to use LEDs-U-CTRL
Thank you all.
Click to expand...
Click to collapse
Use flashtool to flash a stock ICS Firmware.
Root your phone:
1.Method Search rootable stock ICS firmware and kernel. Flash the fw, root the phone with Many Android by Bin4ry. http://forum.xda-developers.com/showthread.php?p=31545627
Than flash the kernel.
2.Method Flash a prerooted Kernel, like Munjenis's CWM kernel. http://forum.xda-developers.com/showthread.php?t=1934093&highlight=kernel
3.Method Look in the Development Index here
NOTE: I already used Xperia P kernels but my phone died and I dont know how I made him alive again.
Click to expand...
Click to collapse
Don't use Xperia P kernels for Xperia U!!!

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