Step 1: Return all iPhones
Step 2: Buy something you like instead
Step 3: Be happy, but WHATEVER you do, don't look for a bend in whatever "new" phone you get...
A friend of mine has a bent M8. It's literally bent. It doesn't take 50 pictures to discern if it is or not, it just is.
He sat on it. He admits it. He uses the phone and enjoys it. He knows the cosmetic damage was his fault.
Were it an Apple product, it would be some grand conspiracy regarding "bad batches" and "structural weak points" but it's not. It's HTC, and it bends when you sit on it.
I know it seems like common sense... but here we are...