diff --git a/CHANGELOG_en.md b/CHANGELOG_en.md
index 3602d62..63a16bf 100644
--- a/CHANGELOG_en.md
+++ b/CHANGELOG_en.md
@@ -1,4 +1,6 @@
 # CHANGELOG
+## 2023-10-22
+- `oneplus_en` Add OnePlus Open.
 ## 2023-10-19
 - `meizu_en` Add MEIZU 20 Classic.
 ## 2023-10-17
diff --git a/brands/oneplus.md b/brands/oneplus.md
index 7d790ea..bffee96 100644
--- a/brands/oneplus.md
+++ b/brands/oneplus.md
@@ -362,6 +362,10 @@
 
 `CPH2389`: OnePlus Nord N300
 
+**OnePlus Open:**
+
+`CPH2551`: OnePlus Open
+
 **OnePlus Pad:**
 
 `OPD2203`: OnePlus Pad
diff --git a/brands/oneplus_en.md b/brands/oneplus_en.md
index fc23b10..0153f42 100644
--- a/brands/oneplus_en.md
+++ b/brands/oneplus_en.md
@@ -357,6 +357,10 @@
 
 `CPH2389`: OnePlus Nord N300
 
+**OnePlus Open:**
+
+`CPH2551`: OnePlus Open
+
 **OnePlus Pad:**
 
 `OPD2203`: OnePlus Pad