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[Q] How to remove / replace the boot logo?

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xdadevel
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(Last edited by xdadevel; 22nd November 2010 at 08:58 PM.)
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Default [Q] How to remove / replace the boot logo?

I have already successfully removed the boot and shutdown animations (incl. sound) via "adb shell" commands:

Code:
su
mount -o remount,rw /dev/mtdblock3 /system
mv /system/media/bootani.qmg /system/media/_bootani.qmg
mv /system/media/samsungani.qmg /system/media/_samsungani.qmg
mv /system/media/video/shutdown/shutdown.qmg /system/media/video/shutdown/_shutdown.qmg
mv /system/media/audio/ui/PowerOff.wav /system/media/audio/ui/_PowerOff.wav
mv /system/etc/PowerOn.snd /system/etc/_PowerOn.snd
mv /system/etc/PowerOn.wav /system/etc/_PowerOn.wav
mount -o remount,ro /dev/mtdblock3 /system
exit
or just download the attached shell script and execute it as su:

adb push nobootani.sh /data/local/nobootani.sh
adb shell

Code:
su
cd /data/local
chmod 777 nobootani.sh
./nobootani.sh
exit
Btw the tablet now boots much faster.

But the boot splash screen from Samsung is still there.

EDIT:
I found out that the boot logo is actually a JPEG image located in the Secondary Bootloader (sbl.bin) on partitions bml4 and bml5 (both are identical on my Tab).

The partion layout seems to be the same as for the Galaxy S series:
http://forum.xda-developers.com/wiki...#Modifications
(here you can also find the secret codes to check firmware etc.)

This command gives the partition info:
cat /proc/LinuStoreIII/bmlinfo

To dump any partition (e.g. SBL) to SD card:
dd if=/dev/block/bml4 of=/sdcard/bml4_dump bs=1

I attached the extracted boot logo.
Attached Thumbnails
Click image for larger version

Name:	bml4_6_galaxy_tab_logo.jpg
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Attached Files
File Type: zip nobootani.zip - [Click for QR Code] (275 Bytes, 388 views)
 
smithdc
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(Last edited by smithdc; 13th November 2010 at 12:50 PM.)
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Thanks xdadevel,

Followed your instructions above and it worked like a charm - my Tab boots up MUCH faster now.

I think to remove the Samsung boot logo you would have to edit something like init.rc in the bootimg, repackage it, and then copy it across.
 
mklass
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Im trying to do this and get

Can not mount permission denied.

Failed for bootani.qmg, Read-only system file.

Any ideas?
 
clausnymark
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Quote:
Originally Posted by xdadevel View Post
I have already successfully removed the boot and shutdown animations (incl. sound) via "adb shell" commands:

Code:
su
mount -o remount,rw /dev/mtdblock3 /system
cd /system/media
rm bootani.qmg
rm samsungani.qmg
cd /system/media/video/shutdown
rm shutdown.qmg
cd /system/media/audio/ui
rm PowerOff.wav
cd /system/etc
rm PowerOn.snd
rm PowerOn.wav
mount -o remount,ro /dev/mtdblock3 /system
exit
Btw the tablet now boots much faster.

But the boot splash screen from Samsung is still there.

I've been reading about the methods for other Samsung devices, such as:
  • flashing a PDA tar with Odin
  • fastboot flash splash1
  • packing the logo png as an update.zip

None of these worked.
Instead I bricked my tablet and flashed "P1_20100909.pit" and "GT-P1000_P1000XXJK1.rar" (from samfirmware.com) to make it work again.
Very easy, thanks for the idea! I copied the files to my external SDcard just in case though... Maybe it would be nice for you to remind people of that. Cheers!
 
smithdc
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Quote:
Originally Posted by mklass View Post
Im trying to do this and get

Can not mount permission denied.

Failed for bootani.qmg, Read-only system file.

Any ideas?
Have you rooted your phone?
 
mklass
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Quote:
Originally Posted by smithdc View Post
Have you rooted your phone?
Yes it is

Cheers
 
kingskidd268
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DONATE TO ME
I hope this work on the US TMobile verison?

Sent from my Samsung Galaxy Tab
Rom: Dark Jelly S 10.1
Tampered Change to Unlocked
Hboot: 1.140002
S-off
SuperCid: 11111111
Radio: 1.11
Kernel: Bubba Ver. 3

http://kingsdroid.blogspot.com/
http://http://kingsvitalockscreen.blogspot.com/
 
deafjam
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It does work on the U.S. TMobile tab, I tried it. to me it boots faster, but seems to shut down slower.
 
xebec168
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Thanks! I follow your instruction but instead of deleting, I just rename them with .old extension (maybe one day will need them.. who knows.. )

Now it boot much faster!!
 
saintxseiya
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Hi,

is there any way to replace the boot logo?

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