Download KitKat 4.4.2 Android L style firmware Jiayu G3S smartphone

Download KitKat 4.4.2 Android L style firmware Jiayu G3S smartphone from here or here. 

Archive name: Android L
Archive file size: 327 MB
Support: Mediatek MT6589
Build number: prada-user 4.4.2 KOT49H AOSP_4.4.2 dev-keys

Other: everything works just perfect (GPs, wifi, modem, engineering mode, fm radio, bluethooth), except compass.