:Pantech Vega Secret upUp was launched in South Korea in December 2013.<ref>{{cite web|url= http://gsminsider.com/2013/12/pantech-vega-secret-note-im-a900-official-specs-price/|title= Pantech Vega Secret UP IM-A900 Goes Official, Fingerprint Recognition And LTE-A Supports|access-date= 2014-04-11|archive-url= https://web.archive.org/web/20160304025448/http://gsminsider.com/2013/12/pantech-vega-secret-note-im-a900-official-specs-price/|archive-date= 2016-03-04|url-status= dead}}</ref> The device receivesreceived [[Android (operating system)|Android]] 4.4.2 KitKat update in April 2014.<ref>{{cite web|url= http://gsminsider.com/2014/04/pantech-vega-secret-up-android-4-4-2-kitkat-update/|title= Pantech Vega Secret Up Receives Android 4.4.2 KitKat Update|access-date= 2014-04-11|archive-url= https://web.archive.org/web/20160304023011/http://gsminsider.com/2014/04/pantech-vega-secret-up-android-4-4-2-kitkat-update/|archive-date= 2016-03-04|url-status= dead}}</ref>