Hello,
I started to use original mango fw more often and I wanted to change the wallpaper in it. I did everything as required, and after copying Wallpaper.png file to the root of built-in memory and disconnecting iBasso from PC, the wallpaper changed. BUT once I restart iBasso with mango fw again, the stock wallpaper (that rainy something) comes back. No matter how many times I restart iBasso, the custom wallpaper never appears again. Could this be caused by the dual bootloader? Got someone here the same issue? I tried to google this problem, but I didn't find anything at all. It's not big issue, but I would be happy to solve it. I use latest cholero bootloader.