Linear is a power pack substrate whose theme is compatible with various devices and operating systems such as custom Oreo 8.X.X, Android Pie 9.0.0, Samsung Oreo, Samsung OneUi Pie, Oxygen OS Oreo and Oxygen OS Pie. You should run a compatible WHO ROM for this topic to work.

Supported Android
(4.1 and up)
Nougat (7.0 – 7.1.1),Oreo (8.0-8.1), Pie(9.0)

Download [Substratum] Linear 8.1.0 APK Unreleased Patched

LINEAR_v8.1.0_P.apk