diff --git a/src/ppk2_api/ppk2_api.py b/src/ppk2_api/ppk2_api.py
index c6e5236..e2f55c6 100644
--- a/src/ppk2_api/ppk2_api.py
+++ b/src/ppk2_api/ppk2_api.py
@@ -167,26 +167,18 @@ def _convert_source_voltage(self, mV: int) -> Tuple[int, int]:
 
     def _read_metadata(self) -> str:
         """Read metadata"""
-        # try to get metadata from device
-        for _ in range(0, 5):
+        accumulated = ""
+        for _ in range(0, 10):
             read = self.ser.read(self.ser.in_waiting)
             time.sleep(0.1)
-
             if not read:
-                continue  # No data, try again
-
-            # Try decoding the data
+                continue
             try:
-                metadata = read.decode("utf-8")
+                accumulated += read.decode("utf-8")
             except UnicodeDecodeError:
-                # If decoding fails, try again in next iteration
                 continue
-
-            # Check if the metadata is valid (i.e., contains "END")
-            if "END" in metadata:
-                return metadata
-
-        # If we exit the loop, it means we couldn't get valid metadata
+            if "END" in accumulated:
+                return accumulated
         raise ValueError("Could not retrieve valid metadata from the device.")
 
     def _parse_metadata(self, metadata: str) -> None: