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Get the app called CPU-Z. It will show the specs of your phone. My 4 year old LG G3 is a bit better in screen resolution then the new $800 Samsung S8 and the same for anything else the S8 has.
Ebay price I paid this January is $68. I bought another for $98
You just cannot make the smart phones smarter unless they change the OS. Android is android and iOS is the same year after year for 99% of those that use their phones.