Deck said:someone could have logged into ur acc. email instagram about hacked accs
Service said:Shit, this was bad, sorry for the loss on this sick instagram, goodluck on getting it back bud
Respectable said:no one can swap username if he don't know your password ..
i think the account was linked with FB .. or you're link your FB with your account and there's someone knows FB password
that's how he can log into your account with FB and swapped the user without changing anything