iPhone LCD glass and screen both are rugid in nature, even if iPhone dropped from hand it sustains the vibration. But the impact is proportional to the speed it dropped and the floor type. Otherwise iPhone earlier versions like 2G and 3G had reports of LCD dead pixels issue on strange situations. Many users would find iPhone LCD dead pixels  anywhere on the screen their phone screen, the dead pixels normally like strip affects left to right ends.  It may disable touch functionality  on the Unlock Button, Main Menu or mostly on Phone application where numbers like 0,*, #, Call, 1,2,3,4 keys or 7,8 & 9 keys wont works….if these keys doesn’t work in iPhone telephone keypad, then the iPhone is of no use.

As well replacement of iPhone LCD cost almost 30% of the iPhone price, though it can be replaced, iPhone users wait  some months to buy the new model instead of repair…till such time, using dead LCD phones becomes a irritating specially to use phone calls..for which the iPhone is meant for.

Some users, still  manage to use notepad and enter the numbers by rotating the iPhone in portrait and landscape modes to enter all number characters and then dial from their notepad by enabling  URL detection settings.

Well, to sort this  iPhone LCD dead screen, Touch screen dead pixels a new app  “Dial Screen” application is published at iTunes Store

Features :

1 – Rotate Dial screen works on all four sides left, right, up and down
2 – Dial a number from any portrait or Landscape
3 – You can use complete phone keypad characters except  # key

The download link for this app iTunes Store is here : “Dial Screen“

This application is a temporary but best solution to keep using iPhone as phone using Dial Screen app..were 1, 2, 3 ,7,8,9, Call, 0, * keys doesnot work.