Hahahahahaha Naveed bhai can't sit with one phone for longer than 1 month, just like me.
I think this is the case with some areas. In areas like Islamabad (and Blue Area where iNCEPTiON sits), Mobilink has their most top notch network equipment, never have I heard any issues for Mobilink users in Islamabad.
Then in some areas, it's very poor and sometimes regardless of showing the H+ Icon, it will lag like crap and be slower than 2G.