Lithium-ion batteries degrade over time, that is just the way is, unfortunately. To deal with that, Apple made the unpopular decision to throttle the performance of some older iPhone models by way of an iOS update, and then hid that fact from the public until a collection of benchmarks essentially outed the company. Striking while the iron

Source: Hot Hardware – Samsung, LG Join Chorus Of Android OEMs That Don’t Throttle Older Phones