diff --git a/lib/constants.py b/lib/constants.py
index 074a5d9..2f69403 100644
--- a/lib/constants.py
+++ b/lib/constants.py
@@ -266,4 +266,4 @@ def internal_path(*path_parts) -> str:
     b"\x04": b"\x04",
 }
 
-BLE_SERVICE_IDENTIFIER = "0000abf0-0000-1000-8000-00805f9b34fb"
+DSG_STMIN = 900000
\ No newline at end of file
diff --git a/lib/dq381_flash_utils.py b/lib/dq381_flash_utils.py
index 467112d..5544d65 100644
--- a/lib/dq381_flash_utils.py
+++ b/lib/dq381_flash_utils.py
@@ -244,6 +244,6 @@ def flash_bin(
         interface=interface,
         interface_path=interface_path,
         workshop_code=workshop_code.as_bytes(),
-        stmin_override=900000,
+        stmin_override=constants.DSG_STMIN,
         dq3xx_hack=True,
     )
diff --git a/lib/dsg_flash_utils.py b/lib/dsg_flash_utils.py
index 8918690..0599dfe 100644
--- a/lib/dsg_flash_utils.py
+++ b/lib/dsg_flash_utils.py
@@ -223,5 +223,5 @@ def flash_bin(
         callback=callback,
         interface=interface,
         interface_path=interface_path,
-        stmin_override=stmin_override,
+        stmin_override=constants.DSG_STMIN,
     )