How to change uboot splash image
1- Get the image that you want to show in some resolution more little that display resolution.
2- Open the image using GIMP graphic application.
3- Save the image using "save as" option.
4- In the select box "Select File Type (by Extension)" select the format "c source code"
5- Then you will get one windows with some options, in this window deselect all options
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