>Galaxy s5
because good ROM support and replaceable battery
>nexus 5
because you can put sailfish, ubuntu and kde touch and copperhead on it and its also around 50$
Maybe sony xperia until 5 because decent hardware for around 50$
dude, don't spend more than 50 bucks on a phone, its retarded. Phones break every time before they were worth your money and if you don't root them you essentially pay the price of a netbook or something for an device that's spying on you