diff --git a/scripts/version.py b/scripts/version.py
index 98b1b7e85..4c0093469 100755
--- a/scripts/version.py
+++ b/scripts/version.py
@@ -38,7 +38,7 @@ class GitVersion:
         try:
             version = self._exec_git("describe --tags --abbrev=0 --exact-match")
         except subprocess.CalledProcessError:
-            version = "unknown"
+            version = "trunk"
 
         if "SOURCE_DATE_EPOCH" in os.environ:
             commit_date = datetime.utcfromtimestamp(
diff --git a/targets/f7/furi_hal/furi_hal_version_device.c b/targets/f7/furi_hal/furi_hal_version_device.c
index 2c0ad02f2..ff5a9a515 100644
--- a/targets/f7/furi_hal/furi_hal_version_device.c
+++ b/targets/f7/furi_hal/furi_hal_version_device.c
@@ -5,11 +5,11 @@ bool furi_hal_version_do_i_belong_here(void) {
 }
 
 const char* furi_hal_version_get_model_name(void) {
-    return "Kiisu 4a";
+    return "Kiisu 4";
 }
 
 const char* furi_hal_version_get_model_code(void) {
-    return "K4.A";
+    return "K4.AB";
 }
 
 const char* furi_hal_version_get_fcc_id(void) {