I bought this phone not too long ago because its said to have 3g /4g in it just like in advertisements in sony but when i opened up the phone then first thing i checked was the connectivity then i wondered it should have 3g nor 4g in it like said on the box i didnt mind it at first because like my 4 year old phone when i turned on the mobile data at first it runs on E then H then H+ after that going to 3g im so disappointed that only Lte is available please help me solve this problem