iPhone 6 it bends very hard and only if a strong force is applied to its casing, but when bending happens it can become extremely dangerous for users. A British taxi driver was involved in a car accident the other day while carrying an iPhone 6 terminal in his pants pocket, the Apple product bending during the impact, then catching fire and generating second degree burns on the man's leg.
The problem in this case was that the battery of the terminal iPhone 6 bent at the moment of impact and was broken by the device's case, so it exploded in the user's pocket. Considering that we are talking about a car accident and an extreme case, you should be reassured that problems like this will not occur in normal cases of regular use, but at least you should know that bending the terminals can generally cause problems like this.
