[Q] Change Kindle Fire Wallpaper

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I already tried modifying the permissions of the file located at "data/data/com.android.settings/files" to :
. Owner : Read, - , -
. User : Read, - , -
. Others: -,-,-
The problem is that, i can't event SET a new wallpaper to it.
I tried to give me full permissions so that i can set a new one, and them, change the permissions to avoid the stock change, but i can't manage to make it work.

Any idea of what i am doing wrong ?

Try going into kindle fire utility and unlocking the wallpapers and then well what ever you want

I've tried this, and i realized that only a few images actually "work" as wallpaper, the other ones just get ignored and the wallpaper picker doesn't allows me to select them as a wallpaper.

I click on them, and the picker prompts me again to choose an image, with no error message.

Do i have to make them "fit" the screen so i can select them or any resolution will work ?

make the file permissions writable and change the wallpaper. then go back to data\data\com.android.settings\files\wallpaper and remove the write permissions. your wallpaper will not change at that point.

Fun with wallpapers

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So any idea what app or apk or daemon is changing this wallpaper all the time / is there something we can modify so it will work as expected? I think I'm going to have a hard time trying to convey to people that they need to change file permissions just to KEEP a wallpaper.

Someone mentioned in another thread that the framework.apk handled this, just not sure on the technical aspects of that.