O3 is an icon pack inspired by the colorful design of Oxygen OS, combined with the soft icon shape of MIUI. More than 4100 icons inspired by the Oxygen OS style, with the soft shapes typical of MIUI design. The application of custom alternative icons depends on the Launcher you are using: in Nova Launcher / Evie Launcher or One Plus Launcher you must press and hold the icon you want to change, then click on “Edit” or its relative symbol, or directly on the thumbnail of the icon, then select the O3 icon pack and go!

Supported Android
(4.1 and up)
Ice Cream Sandwich (4.0 – 4.0.4),Jelly Bean (4.1 – 4.3.1),KitKat (4.4 – 4.4.4),Lollipop (5.0 – 5.1.1),Marshmallow (6.0 – 6.0.1),Nougat (7.0 – 7.1.1),Oreo (8.0-8.1), Pie(9.0)

Download O3 Free Icon Pack Square UI v 4.3 APK

O3_v4.3.apk