My cell phone is a Samsung's SM-G110B/DS Kit Kat, and I found the developer options and "by mistake" I selected one of the overlays. The problem is that the overlay has a bigger resolution than what ...
my GT-S5300 has Gingerbread 2.3.6. Is there any way to upgrade or change this so that I can reject calls with a message / block calls in the same way that the bigger Galaxy (like the S III) can? Apps ...