Viktoria is a substrate theme with many options for each overlay. It supports different devices and operating system like PSBA 8.1, OxygenOS 8.x, Samsung Nougat and Oreo.
+ Select all and check additional options in overlays
+ Apply by selecting Install selected
+ Open it and go to Manager tab: SystemUI overlays must be enabled
+ Select Android 8 + OxygenOS from the top menu
+ Select all and check additional options in overlays
+ Open the substrate application and switch to the Manager tab
+ Select all overlays and allow them
Supported Android
{7.0 and UP}
Supported Android Version:-
Nougat (7.0 – 7.1.1) – Oreo (8.0-8.1)
Download Viktoria Substratum Theme 5.4 Patched APK For Android