How To Change Boot Logo

  • Where is original logo file

Logo file is stored in the device/khadas/TARGET/logo_img_files/bootup.bmp directory in android code.

  • BMP format, should be:
    • 16bit RGB565 BMP format
  • Resolution <= 1080P (1920 * 1080)
  • How To Change

Replace the bootup.bmp ,then rebuild the logo.img

Build Logo on Android

1) Update a new logo picture as you want:

1
$ cp ~/Pictures/khadas.bmp device/khadas/kvim3/logo_img_files/bootup.bmp

2) Build the logo:

1
2
3
4
5
$ cd PATH_YOUR_PROJECT
$ source build/envsetup.sh
$ lunch TARGET_LUNCH
$ make logoimg

See this build log for reference:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
$ make logoimg

...

generate out/target/product/kvim3/upgrade/logo.img
gzip -c device/khadas/kvim3/logo_img_files/bootup.bmp > out/target/product/kvim3/upgrade/logo/bootup.bmp
dbg:item num 8
dbg:pack item [bootup]
dbg:pack item [upgrade_upgrading]
dbg:pack item [upgrade_fail]
dbg:pack item [upgrade_unfocus]
dbg:pack item [upgrade_error]
dbg:pack item [upgrade_success]
dbg:pack item [upgrade_logo]
dbg:pack item [upgrade_bar]
Installed out/target/product/kvim3/upgrade/logo.img

#### make completed successfully (01:54 (mm:ss)) ####

$

Burn the logo.img Separately

1) Copy the new logo.img to a thumbdrive (U-disk):

1
$ cp images/logo.img /media/jason/9B98-6C15/

2) Insert the thumbdrive into your VIM3, then boot into U-Boot mode.

3) Update logo partition as new logo.img:

1
kvim3# usb_update logo logo.img

4) Refresh to see the new logo:

1
kvim3# run init_display

Updage the logo by upgrate whole firmware

1) replace device/khadas/TARGET/logo_img_files/bootup.bmp bmp file
2) build upgrate package 

1
2
3
4
5
$ cd PATH_YOUR_PROJECT
$ source build/envsetup.sh
$ lunch TARGET_LUNCH
$ make installclean -j8
$ make otapackage -j8

3) Burn upgrate package update.img to your device you can refer How To Upgrate ,restart then you can see the new boot logo

Note
  • Replace PATH_YOUR_PROJECT to your project path
  • Replace TARGET_LUNCH to your lunch select.
    • For VIM3, it’s kvim3-userdebug.
    • For VIM3L, it’s kvim3l-userdebug.
  • TARGET should be kvim3 or kvim3l
Next