Solved
Stat transfer
So I first started on PS3 where I leveledl up to around level 60, then I got my PS4 but not long after, my PS4 was stolen, so I went bach to PS3 and from there I levelled up to Max rank, got all the ...
Stats transfer is one-time feature. So if you used it before you can't use it again. Also, check this article for more information: https://help.ea.com/en-us/help/battlefield/battlefield-4/transfer-your-battlefield-4-stats-to-a-newer-console/
