Bhao mere sath bhi aisa hua tha jio me aap jisse b baat kroge wo sb bhot chhote operator h unhe nhi pta 4g h 5g h jo app btayega wahi manenge ... offer marketing department se ayega tbhi chlega mere me b 4g hi bta rha tha bhot din tk... ek kaam kro k...

Its not samsung problem its jio issue jio operator can't tell you when you'll receive 5g ..because jio randomly chooses a person then they offer 5g service. Currently its under testing so you have to wait for welcome offer ... btw m using s series ji...