Hello friends I am Priyan Tripathi The smartphone oppo neo 5 mainly 3g is not 4g but good response from 3g network.This phone is not 4g disadvantage side it has good camera effect back camera is nice but front camera is not good .It has funtouch and 16GB internal & 1GB RAM it can expand upro 32GB.This phone screen sise 4.5inch so it look very nice and quite this phone watch without cover very efected but phone battery in not removal.This phone proceser is 1.3 qued core so good phone but is not 4g smartphone.