diff --git a/current.txt b/current.txt
index b6ef9dcc8b..b0357ee561 100644
--- a/current.txt
+++ b/current.txt
@@ -597,7 +597,7 @@ adb0efdf1462e9b2e742c0dcadd598666aac551f178be06e755bfcdf5797abd0 android.hardwar
 9e59fffceed0dd72a9799e04505db5f777bbbea1af0695ba4107ef6d967c6fda android.hardware.neuralnetworks@1.3::IDevice
 4a6c3b3556da951b4def21ba579a227c022980fe4465df6cdfbe20628fa75f5a android.hardware.neuralnetworks@1.3::IPreparedModel
 94e803236398bed1febb11cc21051bc42ec003700139b099d6c479e02a7ca3c3 android.hardware.neuralnetworks@1.3::IPreparedModelCallback
-554baa3b317e077b850afcbaac99daeef56861b1786540e56275a4fcad1f43e3 android.hardware.neuralnetworks@1.3::types
+103cb87c5ed46851badac097f8d190da60f39b5ab32d60e2e93f64d3014ea75c android.hardware.neuralnetworks@1.3::types
 274fb1254a6d1a97824ec5c880eeefc0e410dc6d3a2a4c34052201169d2b7de0 android.hardware.radio@1.5::types
 c8e81d912827a5d49b2ddcdc4eb4556c5d231a899a1dca879309e04210daa4a0 android.hardware.radio@1.5::IRadio
 a62a93faf173b14a6175b683ebf61ffa568dc61f81e369d2dce7b1265e86cf2f android.hardware.radio@1.5::IRadioIndication
diff --git a/neuralnetworks/1.3/types.hal b/neuralnetworks/1.3/types.hal
index f959e45b5a..db86bf6ea1 100644
--- a/neuralnetworks/1.3/types.hal
+++ b/neuralnetworks/1.3/types.hal
@@ -109,6 +109,7 @@ enum OperationType : int32_t {
      * * {@link OperandType::TENSOR_FLOAT16} (since HAL version 1.2)
      * * {@link OperandType::TENSOR_FLOAT32}
      * * {@link OperandType::TENSOR_QUANT8_ASYMM}
+     * * {@link OperandType::TENSOR_QUANT8_ASYMM_SIGNED} (since HAL version 1.3)
      *
      * Supported tensor rank: up to 4
      *
@@ -116,7 +117,8 @@ enum OperationType : int32_t {
      * * 0: A tensor.
      * * 1: A tensor of the same {@link OperandType}, and compatible dimensions
      *      as input0.
-     *      For a {@link OperandType::TENSOR_QUANT8_ASYMM} tensor,
+     *      For a {@link OperandType::TENSOR_QUANT8_ASYMM} and
+     *      {@link OperandType::TENSOR_QUANT8_ASYMM_SIGNED} tensor,
      *      the scales and zeroPoint can be different from input0 scale and zeroPoint.
      * * 2: An {@link OperandType::INT32} scalar, and has to be one of the
      *      {@link FusedActivationFunc} values. Specifies the activation to
@@ -124,7 +126,8 @@ enum OperationType : int32_t {
      *
      * Outputs:
      * * 0: The sum, a tensor of the same {@link OperandType} as input0.
-     *      For a {@link OperandType::TENSOR_QUANT8_ASYMM} tensor,
+     *      For a {@link OperandType::TENSOR_QUANT8_ASYMM} and
+     *      {@link OperandType::TENSOR_QUANT8_ASYMM} tensor,
      *      the scale and zeroPoint can be different from inputs' scale and zeroPoint.
      */
     ADD = @1.2::OperationType:ADD,
@@ -1345,6 +1348,7 @@ enum OperationType : int32_t {
      * * {@link OperandType::TENSOR_FLOAT16} (since HAL version 1.2)
      * * {@link OperandType::TENSOR_FLOAT32}
      * * {@link OperandType::TENSOR_QUANT8_ASYMM}
+     * * {@link OperandType::TENSOR_QUANT8_ASYMM_SIGNED} (since HAL version 1.3)
      *
      * Supported tensor rank: up to 4
      *
@@ -1358,7 +1362,8 @@ enum OperationType : int32_t {
      *
      * Outputs:
      * * 0: The product, a tensor of the same {@link OperandType} as input0.
-     *      For output tensor of {@link OperandType::TENSOR_QUANT8_ASYMM},
+     *      For output tensor of {@link OperandType::TENSOR_QUANT8_ASYMM}
+     *      and {@link OperandType::TENSOR_QUANT8_ASYMM_SIGNED},
      *      the following condition must be satisfied:
      *      output_scale > input1_scale * input2_scale.
      */
@@ -2083,6 +2088,7 @@ enum OperationType : int32_t {
      * * {@link OperandType::TENSOR_FLOAT16} (since HAL version 1.2)
      * * {@link OperandType::TENSOR_FLOAT32}
      * * {@link OperandType::TENSOR_QUANT8_ASYMM} (since HAL version 1.2)
+     * * {@link OperandType::TENSOR_QUANT8_ASYMM_SIGNED} (since HAL version 1.3)
      *
      * Supported tensor rank: up to 4
      *
@@ -2096,7 +2102,8 @@ enum OperationType : int32_t {
      *
      * Outputs:
      * * 0: A tensor of the same {@link OperandType} as input0.
-     *      For a {@link OperandType::TENSOR_QUANT8_ASYMM} tensor,
+     *      For a {@link OperandType::TENSOR_QUANT8_ASYMM} and
+     *      {@link OperandType::TENSOR_QUANT8_ASYMM_SIGNED} tensor,
      *      the scale and zeroPoint can be different from inputs' scale and zeroPoint.
      */
     SUB = @1.2::OperationType:SUB,