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I don't think so. Previous generations (recent) were marketed as gorilla glass.
 
Sapphire is one step below a diamond in terms of hardness. It is much tougher than tempered glass. Basically you have a very scratch resistant lens cover.
 
Sapphire crystal lens cover

Apple started using Sapphire Crystal to cover the iSight camera lens since iPhone 5s & iPhone 5c and it was not used before. It's very hard and only get scratched by diamond.
 
Apple started using Sapphire Crystal to cover the iSight camera lens since iPhone 5s & iPhone 5c and it was not used before. It's very hard and only get scratched by diamond.

Wrong.
It started with the iPhone 5, back in 2012, when the OP started this thread.
The 5s was launched in 2013.
 
Wrong.
It started with the iPhone 5, back in 2012, when the OP started this thread.
The 5s was launched in 2013.

I think you are right as I know that but tried to make sure of that but didn't find it mentioned in technical specs of the iPhone 5
Anyway thanks a lot
 
Bumps a 2 and a half year old thread to then give incorrect information...
 
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