I have a problem that may look wired for some but it actually happend to my galaxy s2. I had a stock jeally bean, then I installed a jelly synap rom. I noticed that the display from the sides got smaller than before in the jeally bean. I came back to jeally bean but in vain. The display is not as big as it was. I tried every possible way; installing stock rom and stock recovery but they all failed. So PLEASE I need help.