Nakuba inguqulo yakamuva yesistimu yokusebenza, i-Android 6.0 Marshmallow ikhishwe ngonyaka odlule, iqiniso liwukuthi kusebaningi, kuhlanganise namafoni aphezulu, angenayo i-firmware evuselelwe kule nguqulo yakamuva, kuhlanganise ne-Sony Xperia. Kodwa-ke, imininingwane emisha evela e-UK ibonakala iqinisekisa ukuthi i-Sony Xperia izoqala ukuthuthukela ku-Android 6.0 Marshmallow ngoMashi 7.
Ngokucacile, ulwazi luvela kwaSony Mobile e-UK, abathi i-Sony Xperia Z5 kanye ne-Sony Xperia Z4 Tablet bazoqala ukuthola isibuyekezo ku-Android 6.0 Marshmallow ngoMashi 7. Uma kubhekwa ukuthi bakhuluma ngosuku olunembe kakhulu, kubonakala kungenzeka ukuthi usuku lwangempela. Nokho, kusenezinto ezithile okufanele zicatshangelwe mayelana nalolu suku. Enye yazo ukuthi kumane kuwusuku lwesifunda esithile. Uma kungukukhishwa kwesibuyekezo e-United Kingdom, kungenzeka ukuthi ukwethulwa eSpain ngeke kwenzeke ngalolo suku kodwa kamuva.
Ngaphezu kwalokho, sikhuluma ngeselula nethebhulethi yezinga eliphezulu, futhi esanda kwethulwa. Lokho kusho ukuthi amafoni esizukulwane esidala, njenge-Sony Xperia Z3, noma i-Sony Xperia Z2, kanye namafoni asezingeni eliphansi, njenge-Sony Xperia M5, isibonelo, azothola isibuyekezo kamuva.
Okokugcina, kufanele kukhunjulwe ukuthi uma sithole noma iyiphi yalawa ma-smartphones ngokusebenzisa opharetha, futhi i-firmware yenziwe ngokwezifiso ngu-opharetha, isibuyekezo sizothatha isikhathi eside ukufika, ngakho-ke ekugcineni, nakuba siqala ngoMashi 7, singasebenzisa lolu suku kuphela njengereferensi. Lezi yizindaba ezinhle kubasebenzisi be-Sony Xperia Z5 kanye ne-Sony Xperia Z4 Tablet, nakuba sizobona ukuthi kuthatha isikhathi esingakanani ukuthi ezinye izibuyekezo zifike kuzo zonke ezinye izingcingo ze-Sony Xperia. Khumbula ukuthi ekukhishweni kwezinye izibuyekezo, u-Sony ukhiphe isibuyekezo salo lonke uhla lwama-smartphones ngasikhathi sinye, ngakho-ke kungenzeka ukuthi kokubili ukuphela kweminyaka edlule kanye nobubanzi obuphakathi kwalo nyaka nakho kuzoqala uthole isibuyekezo ngomhlaka-7 Mashi. Kulokhu, kusazoqinisekiswa ukuthi isibuyekezo sizofika nini kuma-smartphones eSpain.