diff --git a/pyasic/miners/backends/braiins_os.py b/pyasic/miners/backends/braiins_os.py
index c1f90956..763bdd94 100644
--- a/pyasic/miners/backends/braiins_os.py
+++ b/pyasic/miners/backends/braiins_os.py
@@ -642,6 +642,8 @@ class BOSer(BaseMiner):
     _web_cls = BOSerWebAPI
     web: BOSerWebAPI
 
+    firmware = "BOS+"
+
     data_locations = BOSER_DATA_LOC
 
     supports_autotuning = True
diff --git a/pyasic/miners/factory.py b/pyasic/miners/factory.py
index 39f3b176..da0ac719 100644
--- a/pyasic/miners/factory.py
+++ b/pyasic/miners/factory.py
@@ -562,7 +562,6 @@ class MinerFactory:
                         mtype = MinerTypes.MARATHON
                 return mtype
 
-
     @staticmethod
     async def _web_ping(
         session: httpx.AsyncClient, url: str