Hi,i have a problem.Ihave an htc wildfire with 2.3.7 rom.In my phone run only 4.1.3 version well.When instal any other version,instal well and open well, download any map want,but in screen not show me any map,only a black screen.The gps working well and show me my position adress without map.If you tell me what is going on,and whats can i do to fix it.Thanks