As with the S4 , the S5 is an evolution of the prior year 's model , placing a particular emphasis on an improved build with a textured rear cover and IP67 certification for dust and water resistance , a more refined user experience , new security features such as a fingerprint reader and private mode , expanded health features ( such as a built-in heart rate monitor ) , and an updated camera .
Like the S4 , the S5 is similar to the prior year 's model , placing a large focus on a better build with a textured rear cover and IP67 rating for dust and water proof , a better user feel , new security items such as a fingerprint reader and private mode , expanded health items ( such as a built-in heart rate scanner ) , and an updated camera .