Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  N'afọ 2015, a mara ọkwa na Bieber ga-ewepụta oge ya iji kwupụta ntọhapụ nke album ahụ, ebe ọ bụ na ọ gaghị agba ọsọ na album naanị iji gbaa ọsọ na album. N'oge ajụjụ ọnụ Wango Tango na May 9 o kpughere: "Anyị na-emechi ya ugbu a ka ọ dị na njedebe ikpeazụ... ọ ga-adị n'oge na-adịghị anya". N'ajụjụ ọnụ nke September 2015 na Jimmy Fallon, onye ọbụ abụ ahụ kwupụtara na a ga-ewepụta album ahụ na November 13, 2015. N'Ọktoba 2, 2015, Bieber kpughere aha album ahụ, Nzube, na akaụntụ Twitter ya, ebe n'Ọktoba 9, 2015, o kpughere site na akaụntụ Instagram ya ihe osise ya nke onye na-ese ihe n'okporo ámá Retna mere. N'abalị iri na isii n'ọnwa Ọktoba n'afọ 2015, e mere ka Purpose dị maka ịhazi. A na-eme ka nsụgharị nke "Gịnị Ka Ị Pụtara?" na olu ndị ọzọ sitere na Ariana Grande dị maka ndị na-ebu ụzọ nye album ahụ na iTunes. N'October 28, 2015, Bieber mara ọkwa na album track ndepụta site na usoro nke tweets na-egosipụta ọ bụla aha graffitied na mgbidi na mba dị iche iche. Iji kwalite album, Bieber pụtara na ọtụtụ magazin, dị ka Billboard, Complex, Interview Magazine, i-D, na NME. Bieber bidoro egwu "What Do You Mean?" na medley na "Where Are Ü Now" n'oge MTV Video Music Awards na August 30, 2015. Nke a sochiri ọtụtụ ihe ngosi telivishọn ndị ọzọ, ebe ọ rụkwara abụ ahụ n'oge The X Factor Australia World Famous Rooftop, ebe ọ bụrụkwara 'Hold Tight', "All That Matters", "Boyfriend" na "As Long As You Love Me", The Today Show, ebe ọ rụkwara "Where Are Ü Now", "Boyfriend" "As Long As You Love Me" na "Baby", The Tonight Show Starring Jimmy Fallon, 2015 Think It Up telecast, 2015 MTV Europe Music Awards, NRJ Music Awards na BBC Radio 1's Teen Awards, ebe ọ rụkwara "Where Are Ü Now" na "Boyfriend". Site na Nọvemba 9, 2015 ruo Nọvemba 13, 2015, Ellen DeGeneres Gosi kwadoro #BieberWeek, ebe onye ọbụ abụ ahụ nyere ajụjụ ọnụ, sonye na egwuregwu, egwuregwu, ma rụọ "Gịnị Ka I Bu n'uche?", "Biko" na "Hụ Onwe Gị n'anya". N'abalị iri na asaa n'ọnwa Nọvemba afọ 2015...  Ajụjụ: Ariana Grand nyere aka na olu na remix nke abụ Justin Beiber?
"Gịnị Ka I Bu n'Obi?"