[APP][Update] SGS kernel flasher v1.6.2 - flash a kernel within android

neldar · Dec 17, 2010

This application *requires* root.

This app can flash a kernel within android on Samsung i9000, Captivate, Fascinate, Vibrant and more.

Features:
* backup kernel as update.zip (for recovery)
* flash kernel from zImage, any .tar or .zip that contains a zImage
* reboot

Usage:
backup kernel: creates an update.zip (for recovery) containing a backup of the current kernel with time and date in /sdcard/sgs-kernel-flasher/backup/
choose kernel: choose kernel image (mostly named zImage) or any .tar or .zip that contains a zImage
flash kernel: flashes the kernel
reboot: reboot the phone

Android market: SGS kernel flasher

DISCLAIMER:
The author of this app is not responsible for any damage to your phone that may be caused by usage of this app or by deficient kernel images.

Daneshm90 · Dec 17, 2010

Im curious, is it "bad" to flash to the partitions when in use ?

Shouldn't it be done via recovery ? Something like cwm where you'd choose flash kernel, it would safely restart your phone into recovery where it would flash your zimage and reboot.

Thnx

neldar · Dec 17, 2010

Daneshm90 said:
Im curious, is it "bad" to flash to the partitions when in use ?

Shouldn't it be done via recovery ? Something like cwm where you'd choose flash kernel, it would safely restart your phone into recovery where it would flash your zimage and reboot.

Thnx

This partition is safe to be flashed from within android - otherwise i would not publish an app that can do that.
The partition is not used while android is running - only read at boot.

Just dont use the app with wrong files - you have to know what you are doing.

neldar · Dec 18, 2010

I improved the app:
v1.0.1 stable:
* added: manual reboot
* added: check selected file for valid zImage

This app is now stable - happy flashing.

crossjaw · Dec 18, 2010

oooh naice!

EarlZ · Dec 18, 2010

What are the benefits of flashing the kernel while the OS is running ?

chancsy · Dec 18, 2010

EarlZ said:
What are the benefits of flashing the kernel while the OS is running ?

For me, it hurts when pressing the Volume keys up/down in Recovery!

Hrc4u · Dec 18, 2010

Whats the difference between this and the Tuxility app.? It does the same thing..?
/H

Sent from my GT-I9000 using Tapatalk

iiixda · Dec 18, 2010

what about checking ( disabling ) lagfix?

neldar · Dec 18, 2010

Hrc4u said:
Whats the difference between this and the Tuxility app.? It does the same thing..?
/H

Sent from my GT-I9000 using Tapatalk

This app does not use the redbend_ua binary - no forced reboot.
And the only purpose of this app is to flash the kernel, nothing else.

iiixda said:
what about checking ( disabling ) lagfix?

I will implement a check that will show a warning, but disablinf or removing of a lagfix is too much at the moment. There are too much different lagfix approaches and considering them all is pretty complex.

xan · Dec 18, 2010

I keep most of kernels on /sdcard/kernals/ directory in .zip (CWM) format.
Any chances of adding support of such files?
Adding .tar should be straightforward too

neldar · Dec 18, 2010

I have updated the app one more time:

v1.2.1:
added: PDA.tar and update.zip file support
added: choose file starts in /sdcard/sgs-kernel-flasher/
added: lagfix detection and warning

That means you can now select any .tar or .zip that contains a zImage and the app will automatically extract and flash that zImage.
Major break through for easy kernel flashing on i9000, Captivate, Fascinate and Vibrant- please propagate this awesome news.

Btw. the app is now on market.

xan · Dec 18, 2010

Ok this is awesome!
(you beat me to it, you know, congrats!)

Pierreken · Dec 18, 2010

I'm running the 2.2.1 firmware ( JPX trough KIES) and used the "SuperOneClick 1.5.5" application to root.
When I run the kerner installer, it would tell me that I have a lagfix installed (AFAIK I don't have any) and also tells me that my device is not rooted.
I can confirm that it's rooted by using the root-explorer and have super-user and busybox installed.

neldar · Dec 18, 2010

Pierreken said:
I'm running the 2.2.1 firmware ( JPX trough KIES) and used the "SuperOneClick 1.5.5" application to root.
When I run the kerner installer, it would tell me that I have a lagfix installed (AFAIK I don't have any) and also tells me that my device is not rooted.
I can confirm that it's rooted by using the root-explorer and have super-user and busybox installed.

Did you see the root request dialog?

If not, you may restart the app or just have look what the superuser app says about the permissions of the sgs kernel flasher.

xan · Dec 18, 2010

Does it support 'CWM' .zip files?
I mean these where not only zImage resides, but also some other thingies.

I ask this question because I wasn't able to flash SO_4_5_1 kernel using CWM file provided in this topic: http://xdaforums.com/showthread.php?t=811660
file: http://xdaforums.com/attachment.php?attachmentid=467462&d=1292684343
Attempt on JPX+SO_4_5_1 kernel (so basically it was an attempt to reflash of the same kernel)

Code:

zImage extraction failed!
Kernel flash failed!

neldar · Dec 18, 2010

xan said:
Does it support 'CWM' .zip files?
I mean these where not only zImage resides, but also some other thingies.

I ask this question because I wasn't able to flash SO_4_5_1 kernel using CWM file provided in this topic: http://xdaforums.com/showthread.php?t=811660
file: http://xdaforums.com/attachment.php?attachmentid=467462&d=1292684343
Attempt on JPX+SO_4_5_1 kernel (so basically it was an attempt to reflash of the same kernel)

Code:

zImage extraction failed! Kernel flash failed!

I will check that.

edit: fixed will be released in a few minutes

neldar · Dec 19, 2010

Bugfix release:
v1.2.8:
fixed: zImage not correctly extracted from .zip-files

xipod · Dec 19, 2010

Hello,

Many thanks for this so nice app

.

I have to inform You that he detects lagfix is running on my phone, but that is not true.

My phone is running on 2.2.1 Froyo, XXJPUI9000, and i flashed all .PIT, PDA, MODEM and CSC files trough Odin.

I rooted My phone with CF-Root.

And ofcourse differenc is visible, I charge my phone each 3 days

.

So if this BUG can be fixed would be nice.

Thanks.

neldar · Dec 19, 2010

xipod said:
Hello,

Many thanks for this so nice app .

I have to inform You that he detects lagfix is running on my phone, but that is not true.

My phone is running on 2.2.1 Froyo, XXJPUI9000, and i flashed all .PIT, PDA, MODEM and CSC files trough Odin.

I rooted My phone with CF-Root.

And ofcourse differenc is visible, I charge my phone each 3 days .

So if this BUG can be fixed would be nice.

Thanks.

I will also check that - it is only a warning message, you can ignore that for the moment.

Edit: I need some mount listings, if you have working adb, please run something like this: "adb shell mount > mount-listing.txt" and attach that file to a post in this thread. That will help me to improve the lagfix detection. Thanks.

[APP][Update] SGS kernel flasher v1.6.2 - flash a kernel within android

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