In the early 2010s, Samsung needed a way to display boot logos, splash screens, stock wallpapers, and lock screen animations without bogging down the system. Standard JPEGs and PNGs were too slow to decode at boot time. So Samsung engineered a format that:
Samsung’s own developers use a proprietary tool (often called QMGConverter.exe or part of the Samsung Theme Designer suite). This tool is in a usable form. Leaked versions exist on XDA Developers forums, but they: qmg viewer
Here’s the harsh truth:
If you absolutely must open a QMG file today, your best bet is either: In the early 2010s, Samsung needed a way