diff --git a/README.md b/README.md
index 2cf991d..d55bef3 100644
--- a/README.md
+++ b/README.md
@@ -4,10 +4,13 @@ A Magisk/KernelSU module trying to add native eSIM management support for Xiaomi
 
 ![screenshot](https://github.com/user-attachments/assets/6065297c-ea7d-4b3b-ba03-9b6462a29186)
 
+> [!NOTE]
+> 5ber Ultra is not supported, use Standard or Premium instead(both using the same hardware).
+
 ## Tested devices
 
 - diting (Xiaomi 12T Pro/Redmi K50 Ultra)
 - marble (Redmi Note 12 Turbo/POCO F5 5G)
 - houji (Xiaomi 14)
 - fuxi (Xiaomi 13)
-- socrates (Redmi K60 Pro)
\ No newline at end of file
+- socrates (Redmi K60 Pro)