NEVER doubt about the Amazing Leo.
Recovery on my EU model as suggested by Daekin
- it's not possible to choose which kind between disk, etc., connecting the phone to a PC;
- stock weather widget need to be resized;
- data connection stops when the screen goes off, but not completely sure about that;
Keep on testing
Samsung Galaxy Grand Duos ¦ stock Android 4.2.2 ROM;
Samsung Galaxy Note 10.1 4G ¦ stock JB ROM.