Fix broken iPhone screen

How to fix broken iPhone screen? It is a very common question these days. If you have damaged only the front panel i.e. the front glass, then you can get it easily repaired for $50 by services like ifixit.com. This job can be performed at home as well, but this needs immense care and precautions. If you try to fix a broken iPhone screen at home, it can cost you your phone also if you go wrong in any step.