diff --git a/Utils.hpp b/Utils.hpp
index 6256655..b61ddb2 100644
--- a/Utils.hpp
+++ b/Utils.hpp
@@ -19,11 +19,16 @@
 #include <iomanip>
 
 namespace V1_0 = ::android::hardware::neuralnetworks::V1_0;
+namespace V1_1 = ::android::hardware::neuralnetworks::V1_1;
 
-#ifdef ARMNN_ANDROID_NN_V1_2 // Using ::android::hardware::neuralnetworks::V1_2
+#if defined(ARMNN_ANDROID_NN_V1_2) || defined(ARMNN_ANDROID_NN_V1_3)
 namespace V1_2 = ::android::hardware::neuralnetworks::V1_2;
 #endif
 
+#ifdef ARMNN_ANDROID_NN_V1_3
+namespace V1_3 = ::android::hardware::neuralnetworks::V1_3;
+#endif
+
 namespace armnn_driver
 {
 
@@ -31,6 +36,17 @@
 using DataLocation = ::android::nn::hal::DataLocation;
 #endif
 
+inline const V1_0::Model&    getMainModel(const V1_0::Model& model) { return model; }
+inline const V1_1::Model&    getMainModel(const V1_1::Model& model) { return model; }
+
+#if defined (ARMNN_ANDROID_NN_V1_2) || defined (ARMNN_ANDROID_NN_V1_3)
+inline const V1_2::Model&    getMainModel(const V1_2::Model& model) { return model; }
+#endif
+
+#ifdef ARMNN_ANDROID_NN_V1_3
+inline const V1_3::Subgraph& getMainModel(const V1_3::Model& model) { return model.main; }
+#endif
+
 extern const armnn::PermutationVector g_DontPermute;
 
 template <typename OperandType>
@@ -56,42 +72,53 @@
 /// Can throw UnsupportedOperand
 armnn::TensorInfo GetTensorInfoForOperand(const V1_0::Operand& operand);
 
-#ifdef ARMNN_ANDROID_NN_V1_2 // Using ::android::hardware::neuralnetworks::V1_2
+#if defined(ARMNN_ANDROID_NN_V1_2) || defined(ARMNN_ANDROID_NN_V1_3) // Using ::android::hardware::neuralnetworks::V1_2
 armnn::TensorInfo GetTensorInfoForOperand(const V1_2::Operand& operand);
 #endif
 
+#ifdef ARMNN_ANDROID_NN_V1_3 // Using ::android::hardware::neuralnetworks::V1_3
+armnn::TensorInfo GetTensorInfoForOperand(const V1_3::Operand& operand);
+#endif
+
 std::string GetOperandSummary(const V1_0::Operand& operand);
 
-#ifdef ARMNN_ANDROID_NN_V1_2 // Using ::android::hardware::neuralnetworks::V1_2
+#if defined(ARMNN_ANDROID_NN_V1_2) || defined(ARMNN_ANDROID_NN_V1_3) // Using ::android::hardware::neuralnetworks::V1_2
 std::string GetOperandSummary(const V1_2::Operand& operand);
 #endif
 
+#ifdef ARMNN_ANDROID_NN_V1_3 // Using ::android::hardware::neuralnetworks::V1_3
+std::string GetOperandSummary(const V1_3::Operand& operand);
+#endif
+
 template <typename HalModel>
 std::string GetModelSummary(const HalModel& model)
 {
     std::stringstream result;
 
-    result << model.inputIndexes.size() << " input(s), " << model.operations.size() << " operation(s), " <<
-        model.outputIndexes.size() << " output(s), " << model.operands.size() << " operand(s)" << std::endl;
+    result << getMainModel(model).inputIndexes.size() << " input(s), "
+           << getMainModel(model).operations.size() << " operation(s), "
+           << getMainModel(model).outputIndexes.size() << " output(s), "
+           << getMainModel(model).operands.size() << " operand(s) "
+           << std::endl;
 
     result << "Inputs: ";
-    for (uint32_t i = 0; i < model.inputIndexes.size(); i++)
+    for (uint32_t i = 0; i < getMainModel(model).inputIndexes.size(); i++)
     {
-        result << GetOperandSummary(model.operands[model.inputIndexes[i]]) << ", ";
+        result << GetOperandSummary(getMainModel(model).operands[getMainModel(model).inputIndexes[i]]) << ", ";
     }
     result << std::endl;
 
     result << "Operations: ";
-    for (uint32_t i = 0; i < model.operations.size(); i++)
+    for (uint32_t i = 0; i < getMainModel(model).operations.size(); i++)
     {
-        result << toString(model.operations[i].type).c_str() << ", ";
+        result << toString(getMainModel(model).operations[i].type).c_str() << ", ";
     }
     result << std::endl;
 
     result << "Outputs: ";
-    for (uint32_t i = 0; i < model.outputIndexes.size(); i++)
+    for (uint32_t i = 0; i < getMainModel(model).outputIndexes.size(); i++)
     {
-        result << GetOperandSummary(model.operands[model.outputIndexes[i]]) << ", ";
+        result << GetOperandSummary(getMainModel(model).operands[getMainModel(model).outputIndexes[i]]) << ", ";
     }
     result << std::endl;
 
@@ -118,4 +145,29 @@
 
 std::string GetFileTimestamp();
 
+#if defined(ARMNN_ANDROID_NN_V1_2) || defined(ARMNN_ANDROID_NN_V1_3)
+inline V1_2::OutputShape ComputeShape(const armnn::TensorInfo& info)
+{
+    V1_2::OutputShape shape;
+
+    android::hardware::hidl_vec<uint32_t> dimensions;
+
+    armnn::TensorShape tensorShape = info.GetShape();
+    const unsigned int numDims = tensorShape.GetNumDimensions();
+    dimensions.resize(numDims);
+
+    for (unsigned int outputIdx = 0u; outputIdx < numDims; ++outputIdx)
+    {
+        dimensions[outputIdx] = tensorShape[outputIdx];
+    }
+
+    shape.dimensions = dimensions;
+    shape.isSufficient = true;
+
+    return shape;
+}
+#endif
+
+void CommitPools(std::vector<::android::nn::RunTimePoolInfo>& memPools);
+
 } // namespace armnn_driver