diff --git a/pySim-read.py b/pySim-read.py
index 4b3b1be6..3e25c76d 100755
--- a/pySim-read.py
+++ b/pySim-read.py
@@ -236,5 +236,6 @@ if __name__ == '__main__':
 	else:
 		print("SIM Service Table: Can't read, response code = %s" % (sw,))
 
+
 	# Done for this card and maybe for everything ?
 	print("Done !\n")
diff --git a/pySim/cards.py b/pySim/cards.py
index a12b1111..c0462fb4 100644
--- a/pySim/cards.py
+++ b/pySim/cards.py
@@ -234,6 +234,24 @@ class Card(object):
 		except Exception as e:
 			print("Can't read AIDs from SIM -- %s" % (str(e),))
 
+	# Select ADF.U/ISIM in the Card using its full AID
+	def select_adf_by_aid(self, adf="usim"):
+		# Check for valid ADF name
+		if adf not in ["usim", "isim"]:
+			return None
+
+		# First (known) halves of the U/ISIM AID
+		aid_map = {}
+		aid_map["usim"] = "a0000000871002"
+		aid_map["isim"] = "a0000000871004"
+
+		for aid in self._aids:
+			if aid_map[adf] in aid:
+				(res, sw) = self._scc.select_adf(aid)
+				return sw
+
+		return None
+
 
 class _MagicSimBase(Card):
 	"""