1. Download prerequisites, unpack Logo Builder and place logo.img into the same folder.
2. Enter the folder and run LogoBuilder.exe
3. Click Create new project and change file type to logo.img (logo.img) and select the logo.img file you downloaded
4. You will see some prompts. Move the slider up or down until you can see the images clearly. The program will need a few seconds to finish loading. Scroll down on this page to see how they should look.
5. Once it's done click the folder icon in the bottom-left corner.
6. In the folder edit or replace img1.png
There are 2 ways to get the new logo on your device: using fastboot or adb sideload in recovery
Fastboot
1. Once finished with the editing, go back to the app and click Make. It will take a bit to make the file.
It will be finished when you see this
2. Go back to the project folder and scroll until you see logo.bin
3. Copy this file to the platform-tools folder. Make sure USB Debugging is enabled on your device and run the command adb reboot bootloader. When your phone shows fastboot_unlock_verify ok, run this command fastboot flash logo logo.bin. When it finishes run fastboot reboot and your phone will restart and show your new boot logo.
2. Go back to the app and click Make. It will take a bit to make the file.
It will be finished when you see this
3. Go back to the project folder and scroll until you see update.zip
4. Copy this file to the platform-tools folder. Make sure USB Debugging is enabled on your device and run the command adb reboot recovery. When your phone boots into recovery, select Apply update > Apply from ADB and run adb sideload update.zip. Once finished, in the recovery, go back to Reboot system now and your phone will restart and show your new boot logo.
IF you want to REMOVE the CUSTOM BOOT LOGO:
Download the logo.img file and move it to the platform-tools folder. Make sure USB Debugging is enabled on your device and run the command adb reboot bootloader. When your phone shows fastboot_unlock_verify ok, run this command fastboot flash logo logo.bin. When it finishes run fastboot reboot and your phone will restart and show the original boot logo.