Bad news - Syria's 'mutilation mystery' deepens...

When is actually the iPhone five ( or the successor of the iphone4) likely to be released? I personally lost my apple iphone 2-3 weeks ago, and I was wanting to know if I must get the iphone4 now or wait for the i phone five... As well, I heard the actual iPhone 4's display screen shatters quite simply in case you drop it w/o an instance. Is actually that accurate?