diff --git a/README.md b/README.md
index d51a491..7dd533f 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,8 @@ StatusBarTweak is an Xposed/LSPosed module for Samsung SystemUI. It focuses on
 making the status bar, lockscreen, and Always On Display more configurable while
 still keeping Samsung's own icons and visual style where possible.
 
-The project is mainly built for personal Samsung devices and is still evolving.
-Expect device- and One UI-version-specific behaviour.
+The project is currently tested only on a Samsung Galaxy Z Fold5 running One UI
+8.0 / Android 16. Expect device- and One UI-version-specific behaviour.
 
 ## What It Does
 
@@ -48,11 +48,24 @@ The in-app clock page has the full syntax help and examples.
 
 - A rooted Samsung device.
 - A modern Xposed implementation such as LSPosed.
-- Android/One UI versions close to the versions this module is tested on.
+- Xposed API 101 or newer.
+- A Samsung/One UI version close to One UI 8.0 / Android 16.
 
 This module hooks Samsung SystemUI internals. It is not expected to work on
 non-Samsung SystemUI, and updates to One UI may require fixes.
 
+## Device Compatibility
+
+StatusBarTweak is Samsung-specific in its current form. Some lower-level ideas,
+such as drawing a custom battery bar or parsing custom clock text, could be
+ported elsewhere. The layout engine itself depends on Samsung's SystemUI,
+lockscreen, AOD service, notification display modes, status icons, and status
+chip implementation.
+
+Plain Android or other OEM skins would need separate hooks and probably a
+different source-collection layer. They should be treated as unsupported rather
+than untested-compatible.
+
 ## Build
 
 The project is a standard Gradle Android project: